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Wells

Below are recently published patent applications awaiting approval from the USPTO. Recent week's RSS XML file available below.
Listing for abstract view: USPTO application #, Title, Abstract excerpt,Patent Agent. Listing format for list view: USPTO National Class full category number, title of the patent application.
  
11/13/2014 > 41 patent applications in 35 patent subcategories.

20140332199 - Tunable down-hole stimulation system: Tunable down-hole stimulation systems feature closed-loop control of pumps and tunable down-hole stimulators. Stimulators generate and hydraulically transmit broad vibration spectra tuned for resonance excitation and fracturing of geologic materials adjacent to the wellbore. Feedback data for controlling stimulation includes backscatter vibration originating in stimulated geologic material and detected at... Agent:

20140332200 - Wellbore casing cutting tool: A wellbore casing cutting tool, having multiple blades which rotate outwardly by a fluid operated mechanism, has multiple cutters on each blade. The cutters are preferably positioned on the blades such that the lowermost cutting edges of multiple cutters all bear on the surface of the casing being cut. The... Agent: Deltide Energy Services, LLC

20140332201 - Apparatus and methods for recovery of hydrocarbons: Embodiments of the invention described herein relate to methods and apparatus for recovery of viscous hydrocarbons from subterranean reservoirs. In one embodiment, a completion string for an enhanced oil recovery system is provided. The completion string includes an umbilical device having a plurality of conduits disposed therein, a downhole steam... Agent: World Energy Systems Incorporated

20140332202 - Power pumping system and method for a downhole tool: A system and a method are disclosed herein that relate to powering a pumping system within a downhole tool. The system may include a turbine having a shaft extending therefrom, in which the turbine is configured to convert energy from a fluid received therein into rotational energy for the shaft.... Agent:

20140332203 - Closing of underwater oil spills with the help of magnetic powders: A segment of a structure mitigates flow of fluid therethrough. In one embodiment the segment includes an opening for the fluid flow and the modified structure may include a ferromagnetic wall defining the opening and a plurality of permanently magnetized particles. Some of the permanently magnetized particles are attached to... Agent: Advanced Magnet Lab, Inc.

20140332204 - Quick drum connect: A winch drive assembly includes a drum having a cylindrical spool located axially between a first hollow annular flange and a second substantially circular flange having a central axle. A hydraulic motor has an inner stator and an outer rotor, the outer rotor of which releasably engages the first hollow... Agent: Schlumberger Technology Corporation

20140332205 - Anchor slip and seal locking mechanism: A test packer is lowered to a set liner hanger in a locked position that prevents the seal and slips from setting during running in. A first ball is dropped to shift a sleeve to release the grip of dogs to a groove on an outer housing. Setting down weight... Agent: Baker Hughes Incorporated

20140332206 - Stimulation method: The present invention relates to a stimulation system for stimulation of oil production in an oil field. The stimulation system comprises a plurality wells, wherein a plurality of activation devices are arranged in the wells, and wherein the activation devices are activated with a frequency of once within a period... Agent:

20140332207 - Methods to characterize underground formation: A method for determining a characteristic of an underground formation with a fluid is described. The method includes providing a sample material of the underground formation; measuring the permeability and the porosity of the sample material; performing a drainage test on the sample material using the fluid; estimating the threshold... Agent:

20140332208 - Seawater transportation for utilization in hydrocarbon-related processes: Systems and methods for transporting seawater from a seawater source to an inland site for utilization as a drilling and/or fracturing fluid are disclosed. In an aspect, systems and methods are disclosed wherein seawater is pumped from an ocean at a coastal location and transported to an inland drilling and... Agent: Seawater Technologies, LLC

20140332209 - Polyol for improving sweep efficiency in oil reservoirs: The proposed method is an improved chemical flooding of an oil reservoir, especially one containing heavy oil or bitumen, that is cheaper than traditional chemical flooding techniques. This is obtained by viscosifying the displacing phase with a polyol, such as glycerol and/or its derivatives. Glycerol and its derivatives are an... Agent: Conocophillips Company

20140332210 - Top-down oil recovery: Methods relate to producing hydrocarbons, such as bitumen in an oil sands reservoir. The methods include utilizing an injector well with multiple horizontal laterals to provide downward fluid drive toward a producer well. Combined influence of gravity and a dispersed area of the fluid drive due to the laterals facilitate... Agent: Conocophillips Company

20140332211 - Shunt tube connection assembly and method: A method of gravel packing comprises passing a slurry through a first shunt tube, passing the slurry through a coupling, and disposing the slurry about a well screen assembly below the coupling. The first shunt tube comprises a first cross-sectional shape along its length, and the coupling comprises a coupling... Agent:

20140332212 - Compositions and methods for enhanced hydrocarbon recovery: Compositions of and methods of using a fluid formulation for increasing flow, production, and/or recovery of oil and gas hydrocarbons from a subterranean formation.... Agent: Verutek Technologies, Inc.

20140332213 - Hydraulic fracturing composition, method for making and use of same: A hydraulic fracturing composition includes: a superabsorbent polymer in an expanded state and configured to break in response to a breaking condition; a plurality of proppant particles disposed in the superabsorbent polymer prior to release of the plurality of proppant particles from the superabsorbent polymer in response to breaking the... Agent: Baker Hughes Incorporated

20140332214 - Hydraulic fracturing composition, method for making and use of same: A hydraulic fracturing composition includes: a superabsorbent polymer in an expanded state; a plurality of proppant particles disposed in the superabsorbent polymer; an additive comprising a surfactant, a viscose polymer, or a combination thereof, and a fluid to expand the superabsorbent polymer into the expanded state. A process for disposing... Agent: Baker Hughes Incorporated

20140332215 - Compositions and methods for well completions: A self-healing cement for use in wells in which acid gases are injected, stored or extracted, comprises an acid-swelling material. In the event of cement-matrix failure, or bonding failure between the cement/casing interface or the cement/borehole-wall interface, the material swells when contacted by acid gases, including carbon dioxide and hydrogen... Agent:

20140332217 - Portland saudi cement type-g with nanosilica additive for high pressure-high temperature applications: The Portland Saudi cement type-G with nanosilica additive for high pressure-high temperature applications comprises a mixture of about 1.0%-2.0% by dry weight of nanoparticles of silica; and type-G Portland Saudi cement forming the balance of the mixture. The cement so formed is suitable for use in deep petroleum wells, which... Agent: King Fahd University Of Petroleum And Minerals

20140332216 - Pozzolan for use in a cement composition having a low heat of hydration: A method of cementing in a subterranean formation comprises: introducing a cement composition into a wellbore penetrating the subterranean formation, wherein at least a portion of the subterranean formation has a temperature less than or equal to the freezing point of an aqueous liquid, and wherein the cement composition comprises:... Agent: Halliburton Energy Services, Inc.

20140332218 - Apparatus and methods for recovery of hydrocarbons: Embodiments of the invention described herein relate to methods and apparatus for recovery of viscous hydrocarbons from subterranean reservoirs. In one embodiment, a system for recovering hydrocarbons comprises a downhole steam generator for coupling with a packer in an injector well, an umbilical device coupled to the downhole steam generator... Agent:

20140332219 - Intrawell fluid injection system and method: An intrawell fluid injection system is operably positionable in a well having a production zone that is in fluid isolation from a discharge zone. The system includes an electric submersible pump assembly having an electric motor and a fluid pump that is operably associated with the electric motor. The fluid... Agent: Halliburton Energy Services, Inc.

20140332220 - Polyurethane activator-breaker fluid system: A combined activator-breaker fluid system is effective in oil and gas field applications to essentially simultaneously activate or deploy a shape-memory material and at least partially remove a polymeric filter cake left by a drilling mud, all in one step or trip.... Agent: Baker Hughes Incorporated

20140332221 - Subsea well safing system: A subsea well safing method and apparatus to secure a subsea well in the event of a perceived blowout in a manner to mitigate the environmental damage and the physical damage to the subsea wellhead equipment to promote the ability to reconnect and recover control of the well. The safing... Agent: Bastion Technologies, Inc.

20140332222 - Connection system for subsea flow interface equipment: A system for connecting flow interface equipment to a subsea manifold is disclosed. The system relates particularly to an apparatus adapted to inject fluids into a well having a flow bore. The system includes a connection apparatus adapted to land a conduit means on a subsea manifold and to connect... Agent: Cameron Systems (ireland) Limited

20140332223 - Modular subsea completion: A system for producing well production fluids through a tubing hanger connected with a tubing string, in certain embodiments, includes a subsea tree and a tubing spool. The subsea tree includes a production flow passage, and the tubing spool includes a longitudinal bore configured to receive the tubing hanger and... Agent: Cameron International Corporation

20140332224 - Dual barrier open water completion: A method of completing a subsea borehole including connecting a first vessel to a subsea wellhead assembly via a riser. A borehole is drilled with a drill string communicated to the subsea wellhead assembly through the riser. A lower completion assembly is run on a service string into the borehole... Agent: Baker Hughes Incorporated

20140332225 - Cutting device, safety valve, method and uses for severing a pipe-string-related object in a safety valve for a well: m

20140332226 - Apparatus and method for recovering fluids from a well and/or injecting fluids into a well: Methods and apparatus for diverting fluids either into or from a well are described. Some embodiments include a diverter conduit that is located in a bore of a tree. The invention relates especially but not exclusively to a diverter assembly connected to a wing branch of a tree. Some embodiments... Agent: Cameron Systems (ireland) Limited

20140332227 - Gas-lift valve and method of use: A gas-lift valve comprising an elongated vertically orientated tubular body with inlet ports positioned for communication with the inlet ports of a gas-lift valve mandrel, a valve seat and valve port at the upper end of the valve body, a movable gas charged dome positioned within the body below the... Agent: Lufkin Industries, Inc.

20140332232 - Annular barrier with an expansion detection device: The present invention relates to an annular barrier (1) to be expanded in an annulus (2) between a well tubular structure and an inside wall (4) of a borehole (5) downhole, comprising a tubular part for mounting as part of the well tubular structure, said tubular part (6) having a... Agent:

20140332230 - Double swivel apparatus and method: A double swivel for use with a top drive power unit supported for connection with a well string in a well bore to selectively impart longitudinal and/or rotational movement to the well string, a feeder for supplying a pumpable substance such as cement and the like from an external supply... Agent: Mako Rentals, Inc.

20140332231 - Downhole actuation ball, methods and apparatus: An actuation ball for a downhole tool, the actuation ball includes a ball body having an outer surface defining a seating surface with a substantially circular shape in section encircling an axis of the actuation ball; and a flexible protrusion attached to the ball body and extending substantially coaxially relative... Agent:

20140332228 - Fracturing using re-openable sliding sleeves: Zone isolation is a leading concern for operators that wish to fluidly treat a well. By utilizing a ported sliding sleeve assembly that is highly resistant to leaking after being opened and closed through multiple cycles a wellbore may be accessed at any ported sliding sleeve assembly location without plugging... Agent:

20140332229 - Interventionless adjustable flow control device using inflatables: A flow control device comprises a fluid pathway configured to provide fluid communication between an exterior of a wellbore tubular and an interior of the wellbore tubular, a flow restriction disposed in the fluid pathway, a one-way valve disposed in the fluid pathway to substantially block fluid flow from the... Agent: Halliburton Energy Services, Inc.

20140332233 - Method of removing a dissolvable wellbore isolation device: A wellbore isolation device comprises: a first layer, wherein the first layer: (A) comprises a first material; and (B) defines a cavity containing a dissolution medium, wherein a chemical reaction of at least the dissolution medium causes at least a portion of the first material to dissolve. A method of... Agent:

20140332234 - Setting tool: The present invention relates to a release device (10) for releasably connecting a downhole object (80), such as a running tool or a plug, to a setting tool, the release device extending between a proximal end (10a) adapted to be coupled to the setting tool and a distal end (10b)... Agent:

20140332235 - Coupled electronic and power supply frames for use with borehole conduit connections: An apparatus for retaining electronic components in a downhole component coupling mechanism includes: a power supply frame including a first housing configured to retain a power supply therein and isolate the power supply from downhole fluids, the power supply frame configured to be disposed in and constrained axially by a... Agent: Baker Hughes Incorporated

20140332236 - Quick-release gripping insert assembly: A coiled tubing injector unit insert assembly includes a gripping insert configured to be coupled to a carrier block, the insert comprising a tongue with a first cutout configured to engage a shaft extending within a carrier block pocket, the shaft having a first diameter portion and a second larger... Agent: Premier Coil Solutions

20140332237 - Chain service indicator: An injector head unit includes one or more drive chains revolving within a common plane mounted on an upper drive sprocket and a lower drive sprocket, wherein at least one of the upper and lower drive sprockets are configured to move vertically to tension the drive chains, and at least... Agent: Premier Coil Solutions

20140332238 - Braking systems and methods for a winch drum: Braking systems and methods are provided for a drum wench system having a winch drum having an outer surface and a winch drum braking system. The winch drum braking system has a first brake having a first brake lining, located adjacent to the winch drum, and a first three-ring ratchet... Agent:

20140332239 - Expandable packing element and cartridge: A packing element comprising a tube having a longitudinal length. The tube includes a first end and a second end opposing the first end, an external portion including a plurality of circumferential ribs, and an internal portion opposing the external portion. The internal portion of the tube includes i) a... Agent:

  
11/06/2014 > 27 patent applications in 23 patent subcategories.

20140326444 - Apparatus for the inductive heating of oil sand and heavy oil deposits by way of current-carrying conductors: An apparatus for the inductive heating of oil sand and heavy oil deposits by way of current-carrying conductors is provided. The conductors include individual conductor groups, wherein the conductor groups are designed in periodically repeating sections of defined length defining a resonance length, and wherein two or more of the... Agent: Siemens Aktiengesellschaft

20140326445 - Subterranean tool with sealed electronic passage across multiple sections: The invention relates generally to oil and gas exploration and production and, more particularly, to a system and associated method for producing hydrocarbons from multiple layers of subterranean formations, and the mixing or comingling of such hydrocarbons as necessary or desired during the production process. A subterranean tool is disclosed,... Agent: David L. Abney, Inc.

20140326446 - Placing a fluid comprising kiln dust in a wellbore through a bottom hole assembly: Embodiments relate to systems and methods for introduction of fluids comprising kiln dust into a wellbore through a bottom hole assembly. An embodiment discloses a method comprising: drilling a wellbore in a subterranean formation using a bottom hole assembly; and pumping a treatment fluid into the wellbore through the bottom... Agent: Halliburton Energy Services, Inc.

20140326447 - Perforated pipe and apparatus, system and method for perforating a pipe: A pipe and system for forming perforations in a pipe are provided. The pipe is for a well bore for filtering materials transported through the pipe and comprises: a wall having an exterior surface and an interior surface, the wall forming the pipe and shaped in a cylinder; and a... Agent: Regent Technologies Limited

20140326448 - Flexible connections: A double shoulder threaded tool joint connection comprising: a pin with external threads formed between a pin external shoulder and a pin internal shoulder, the pin having a nose section between the pin internal shoulder and the pin external threads; a box with internal threads formed between a box external... Agent:

20140326449 - Determining optimal parameters for a downhole operation: This disclosure relates to determining optimal parameters for a downhole operation. In a general aspect, a computer-implemented method for managing a downhole operation is described in this disclosure. The method includes receiving a continuous stream of real-time data associated with an ongoing downhole operation at a data ware house. In... Agent: Landmark Graphics Corporation

20140326450 - Pneumatic fracturing method and system for exploiting shale gas: A pneumatic fracturing method for exploiting shale gas, the method including: 1) applying a compressed gas for a first period of time at a first pressure to a shale formation; 2) applying the compressed gas for a second period of time at a second pressure to the shale formation; and... Agent:

20140326451 - Vortex plunger arrangement: A plunger assembly arranged to minimize uneven wear spots thereon during the plunger assembly's horizontal and vertical travel within a hydrocarbon producing well conduit. The plunger assembly comprises an elongated central mandrel having a bore extending longitudinally therethrough for transmitting gaseous fluids from a well, through the plunger assembly, a... Agent:

20140326452 - Hydrolyzable particle compositions, treatment fluids and methods: A composition, treatment fluid and method using hydrolyzable fines. A treatment fluid, which may optionally include a high solids content fluid (HSCF) and/or an Apollonianistic solids mixture, includes a fluid loss control agent comprising a dispersion of hydrolyzable fines, optionally with one or more of a surfactant, plasticizer, dispersant, degradable... Agent:

20140326453 - Methods of hydraulically fracturing and recovering hydrocarbons: There is provided synthetic proppants, and in particular polysilocarb derived ceramic proppants. There is further provided hydraulic fracturing treatments utilizing these proppants, and methods of enhance hydrocarbon recovery.... Agent:

20140326454 - Methods and apparatus for wellbore construction and completion: The present invention relates methods and apparatus for lining a wellbore. In one aspect, a drilling assembly having an earth removal member and a wellbore lining conduit is manipulated to advance into the earth. The drilling assembly includes a first fluid flow path and a second fluid flow path. Fluid... Agent: Weatherford/lamb, Inc.

20140326455 - Methods and compositions for treating a subterranean formation with salt-tolerant cement slurries: Methods and compositions for treating a subterranean formation with salt-tolerant cement slurries including treating a salt-containing subterranean formation having sodium salts, potassium salts, magnesium salts, calcium salts, or any combination thereof comprising: providing a salt-tolerant cement slurry comprising: a base fluid, a cementitious material, a pozzolanic material, a salt-tolerant fluid... Agent: Halliburton Energy Services, Inc.

20140326456 - Systems and methods for managing milling debris: Systems and methods of managing cuttings and debris resulting from milling a casing exit are disclosed. An exemplary milling system includes a mill arranged within a shroud and configured to translate axially with respect to the shroud once detached therefrom, a guide block is coupled to a distal end of... Agent: Halliburton Energy Services, Inc.

20140326457 - Process for the enhanced recovery of oil by injection of a polymer solution: s

20140326458 - Process for the enhanced recovery of oil by injection of a polymer solution:

20140326459 - Sealable wellsite valve and method of using same: A valve, system and method for controlling flow of fluid about a wellsite component of a wellsite are provided. The wellsite component has a flowline to pass the fluid therethrough. The valve includes a valve housing, a cage having holes therethrough positionable in selective fluid communication with the flowline, a... Agent: National Oilwell Varco, L.p.

20140326460 - Buoyancy compensating element and method: A buoyancy compensating element for connection to a flexible pipe and method of producing a buoyancy compensating element are disclosed for increasing or decreasing buoyancy of the portion of flexible pipe. The buoyancy compensating element includes a body portion; and a channel extending through the body portion for receiving a... Agent: Wellstream International Limited

20140326461 - Buoyancy compensating element and method: A buoyancy compensating element for connection to a flexible pipe and method of producing a buoyancy compensating element are disclosed. The buoyancy compensating element includes a first body portion and a further body portion, wherein the first and further body portion are configured to be connectable to each other and... Agent: Wellstream International Limited

20140326462 - Ram device operable with wellbore tubulars: A ram or shutter device includes rams operable between an open position withdrawn from a bore to a closed position to contact a tubular disposed in the bore, the rams may not seal the bore. A well system in accordance to an aspect of the disclosure includes an assembly providing... Agent: Bastion Technologies, Inc.

20140326463 - System and method for waterflooding offshore reservoirs: A mobile water injection system and method for performing waterflooding in offshore reservoirs, and more particularly to enhance oil recovery in marginal offshore reservoirs is disclosed. The mobile water injection system and method include portable equipment, including a submersible pump to recover water from a body of water, a water... Agent: Chevron U.s.a. Inc.

20140326464 - Motor winding wire for a hydrocarbon application: A motor winding wire. The motor winding wire may be configured for use in, and direct exposure to, a hydrocarbon environment. The motor winding wire may be electrically insulated by one polymer layer, whereas another, outer, polymer layer is employed to provide moisture resistance as well as other contaminant and... Agent:

20140326465 - Hybrid dump bailer and method of use: A hybrid dump bailer is disclosed herein comprising a bailer tubes for containing a material, such as cement slurry, to be dumped. The hybrid dump bailer comprises a pressure pulse piston that is accelerated by a spring causing a pressure pulse to expel the material to be dumped. The hybrid... Agent:

20140326466 - Systems and methods for providing fiber optics in downhole equipment: Systems and methods for installing an optical fiber in a downhole equipment system having multiple components that are installed in the field. Components such as sections of an ESP motor are assembled, forming a continuous sealed conduit that extends through the components. The conduit is sealed to prevent potentially damaging... Agent: Baker Hughes Incorporated

20140326468 - Method of using a top drive system: In one embodiment, a top drive system includes a quill; a motor operable to rotate the quill; a gripper operable to engage a joint of casing; a connector bi-directionally rotationally coupled to the quill and the gripper and longitudinally coupled to the gripper; and a compensator longitudinally coupled to the... Agent: Weatherford/lamb, Inc.

20140326469 - Positive locked slim hole suspension and sealing system with single trip deployment and retrievable tool: A tool is provided for installing a mandrel in a wellhead assembly. The tool includes an assembly having multiple independently translatable and rotatable members. The tool includes an inner member disposed in an inner sleeve. The inner member may be disposed in a first position and second position, such that... Agent:

20140326467 - Tubular handling tool: Embodiments of the invention generally relate to a tubular handling tool. The tool may include a base and a ring or sleeve member. The tool may further include an actuation member configured to move or rotate the ring or sleeve member relative to the base. Additionally, the tool may include... Agent: Weatherford/lamb, Inc.

20140326470 - Well completion arrangement and a method for preparing a well for abandonment: b

  
10/30/2014 > 58 patent applications in 42 patent subcategories.

20140318760 - System and method for the access of subterranean deposits: According to one embodiment, a system for accessing a subterranean zone from the surface includes a well bore extending from the surface to the subterranean zone, and a well bore pattern connected to the junction and operable to drain fluid from a region of the subterranean zone to the junction.... Agent:

20140318761 - Dissolvable subterranean tool locking mechanism: A hydrostatically set packer is held against setting by a locking member that is made of controlled electrolytic material (CEM). After introduction into a wellbore and exposure to thermal or well fluid inputs the lock made of CEM dissolves or is otherwise weakened to the point where relative movement can... Agent: Baker Hughes Incorporated

20140318762 - Scale prevention treatment method, system, and apparatus for wellbore stimulation: A method of servicing a wellbore comprising placing a wellbore servicing apparatus into a wellbore, wherein the wellbore servicing apparatus contains a plurality of mobilized template-assisted crystallization beads and contacting a fluid comprising scale-forming ions with at least a portion of the template-assisted crystallization beads. A method of servicing a... Agent: Halliburton Energy Services, Inc.

20140318763 - System for the continuous circulation of produced fluids from a subterranean formation: Removing water from a subterranean formation entails pumping hydraulic oil from a surface-located hydraulic oil pump through a hydraulic oil line to a downhole downhole pump piston to drive it in a first direction to pump water through a downhole water line to a water chamber of a transfer chamber... Agent: Conocophillipls Company

20140318764 - Pumice-containing remedial compositions and methods of use: Systems for remedial cementing are provided that utilize pumice and various additives. One of the systems for remedial cementing embodiments comprises a lightweight settable composition comprising pumice, a calcium activator, and water, wherein the lightweight settable composition has a density of less than about 13.5 pounds per gallon; mixing equipment... Agent: Halliburton Energy Services, Inc.

20140318765 - Mechanically locked debris barrier: A debris barrier is installed and locked to the liner tieback extension. When it is time to check release from the liner before initiating a cement job the inner running string is lifted. The lock stays engaged to the liner tieback extension tube as the inner running string is lifted.... Agent: Baker Hughes Incorporated

20140318766 - Firing head actuator for a well perforating system and method for use of same: A firing head actuator for a well perforating system. The firing head actuator includes a housing assembly with a first impact piston initially secured thereto and slidably disposed therein. An electronic time delay assembly, a trigger assembly and an initiator are also disposed within the housing assembly. A second impact... Agent: Halliburton Energy Services, Inc.

20140318767 - Method and apparatus for transmitting or receiving information between a downhole equipment and surface: Techniques involve determining the conductivity profile of a formation from a well between a surface location and a borehole location. The method involves placing a first sensor at the surface location, a second sensor located at the borehole location, obtaining a first signal by detecting Schumann resonances from the electric... Agent:

20140318768 - Pump for controlling the flow of well bore returns: An apparatus and method to control and exert a predetermined force back on the wellbore thereby controlling the hydrostatic force on the formation surrounding the well-bore, the inflow of fluids from the surrounding formation and the drilling circulating medium. The apparatus comprises and the method utilizes a pump having at... Agent:

20140318770 - Pressure integrity testing system: The present invention relates to an annular barrier system (1) for proving a testable annular barrier arranged between a first metal casing (2) or borehole and a second metal casing (3), the second metal casing having an outer face. The annular barrier system comprises a first annular barrier (4) and... Agent:

20140318769 - Systems and methods for surface detection of wellbore projectiles: Disclosed are systems and methods for positively identifying wellbore projectiles introduced downhole. One well system includes at least one wellbore projectile configured to be introduced into a flow path associated with a work string arranged within a wellbore and extending from a wellhead installation, at least one optical computing device... Agent: Halliburton Energy Services, Inc.

20140318771 - Formation pressure sensing system: A method of installing a pressure transducer in a borehole to measure the fluid prepare of a geological formation The pressure transducer is installed into the borehole at a desired, depth, and then the borehole is filled with a cement grout. The fluid connection between the pressure transducer and the... Agent:

20140318772 - Method and apparatus for controlling the flow of wellbore returns: A method and apparatus to regulate the down-hole hydrostatic pressure in a wellbore are provided which depend on regulating the resistance to the flow of wellbore returns produced by the wellbore. The resistance may be provided by the internal gas pressure in a gas/liquid separator receiving the flow of wellbore... Agent:

20140318773 - Methane enhanced liquid products recovery from wet natural gas: A process is described for enhancing the yield of liquid products from natural gas from at least one extraction well. This process is achieved by injecting methane at a higher pressure than the rock pressure in at least one injection well site. The methane serves to maintain the pressure of... Agent:

20140318775 - Compositions and methods for use of proppant surface chemistry to improve proppant consolidation and flowback control: The present invention relates to methods for hydraulically fracturing a subterranean formation to improve the production rates and ultimate recovery by contacting unconsolidated resin-coated proppant particulates residing in a propped fracture with a reactive crosslinker in order to form a consolidated proppant pack. The present invention also relates to methods... Agent: Carbo Ceramics Inc.

20140318774 - High pressure, high temperature gravel pack carrier fluid with extended dynamic stability for alternate flow path: Fluids with high carrying capacity for particulates in high pressure environments that may also be high temperature environments may include a viscosified base fluid having a density of about 14 ppg to about 20 ppg and comprises an aqueous fluid, a salt, a gelling agent, and an oxygen scavenger. Such... Agent: Halliburton Energy Services, Inc.

20140318776 - Compositions and methods for well completions: A remedial method for repairing a damaged cement sheath, especially for use in wells in which fluids with a pH lower than 6 are injected, stored or extracted, comprises placing an acid swellable composition adjacent to the cement sheath. In the event of cement-matrix failure, or bonding failure between the... Agent:

20140318777 - Scale prevention treatment method, system, and apparatus for wellbore stimulation: A method of servicing a wellbore comprising placing a wellbore servicing apparatus into a wellbore, wherein the wellbore servicing apparatus contains a plurality of mobilized template-assisted crystallization beads and contacting a fluid comprising scale-forming ions with at least a portion of the template-assisted crystallization beads. A method of servicing a... Agent: Halliburton Energy Services, Inc.

20140318778 - Methods for fracturing subterranean formations: Methods of fracturing a subterranean formation are described wherein sintered ceramic proppants are used in at least two different stages. Each stage can utilize the same or a different type of proppant relative to one or more of the other stages, and the same or a different type of fracturing... Agent: Oxane Materials, Inc.

20140318779 - Methods of coating proppant particulates for use in subterranean formation operations: Methods including providing resin double-coated proppant comprising proppant coated with a first resin and thereafter coated with a second resin atop of the first resin; wherein the first resin is curable by a first curing agent and wherein the second resin is curable by a second curing agent that is... Agent:

20140318781 - Completing a well in a reservoir: Methods and systems for completing a well including injecting stimulation fluid to stimulate a first interval in the reservoir. The stimulation fluid has a pressure sufficient to open a number of check valves in the first interval, allowing stimulation fluid to flow into the first interval. A number of ball... Agent:

20140318780 - Degradable component system and methodology: A technique protects against premature actuation of a tool, such as a downhole well tool. The technique utilizes a degradable material positioned along a hydraulic actuation passage and/or between shiftable components of the tool. In some applications, the tool may comprise a primary flow passage and a hydraulic actuation passage... Agent: Schlumberger Technology Corporation

20140318782 - Positive displacement dump bailer and method of operation: A dump bailer assembly includes a downhole power unit and a dump bailer body. A piston is disposed within the dump bailer body and is releasably coupled to a moveable shaft of the downhole power unit. An actuation assembly is disposed proximate a first end of the dump bailer body... Agent: Halliburton Energy Services, Inc.

20140318783 - Method of real time monitoring of well operations using self-sensing treatment fluids: Downhole conditions in a wellbore may be monitored in real time by pumping into the well a sensing treatment fluid which includes a piezoelectric or piezoresistive material and measuring changes in electrical resistivity within the wellbore. The monitoring in real time of the piezoelectric or piezoresistive material enhances the integrity... Agent:

20140318786 - Compositions and methods for servicing subterranean wells: Subterreanean formations penetrated by a wellbore may be stimulated by injecting a well-treatment fluid at a rate and pressure sufficient to create and propagate a fracture in the formation. The treatment fluid comprises a first slurry comprising at least one inorganic cement, water and at least one disruptive agent that... Agent:

20140318784 - Pumice-containing remedial compositions and methods of use: Methods and compositions are provided that utilize pumice and various additives. An embodiment provides a method of remedial cementing in a subterranean formation comprising: providing a lightweight settable composition comprising pumice, a calcium activator, and water, wherein the lightweight settable composition has a density of less than about 13.5 pounds... Agent: Halliburton Energy Services, Inc.

20140318785 - Wellbore servicing compositions and methods of making and using same: A method of servicing a wellbore in a subterranean formation comprising placing a liquid additive composition comprising (i) a liquid non-aqueous continuous phase; (ii) a discontinuous phase comprising a water-soluble polymeric additive; (iii) emulsion-stabilizing and water-wetting surfactants and (iv) a discontinuous phase release control agent. A method of servicing a... Agent: Halliburton Energy Services, Inc.

20140318787 - One trip perforation and flow control method: A perforating gun is run in the hole with a valve assembly. Both are remotely actuated with known telemetry techniques. The gun is fired and flow takes place through the gun and is regulated remotely from the surface without further wellbore intervention. The valve assembly can be a sliding sleeve... Agent: Baker Hughes Incorporated

20140318788 - Viscosified breaker fluid compositions for extended delay in filtercake removal at high temperature: The present invention relates to a method of treating a subterranean formation. The present invention also relates to a method of delivering an acid to a subterranean formation. The methods include obtaining or providing a composition that includes filter cake breaker, viscosifier, corrosion inhibitor, and pH buffering agent. The methods... Agent: Halliburton Energy Services, Inc.

20140318789 - System and method for subsea structure obstruction remediation using an exothermic chemical reaction: Systems and methods comprise structures and methods for using a plurality of chemicals which are mixed subsea, resulting in a heated fluid which can be delivered by various means to an area about a subsea structure such as a pipe or other structure which has been compromised by a plug... Agent: Oceaneering International, Inc.

20140318790 - System and method for subsea structure obstruction remediation using an exothermic chemical reaction: Systems and methods comprise structures and methods for using a plurality of chemicals which are mixed subsea, resulting in a heated fluid which can be delivered by various means to an area about a subsea structure such as a pipe or other structure which has been compromised by a plug... Agent: Oceaneering International, Inc.

20140318791 - System and method for subsea structure obstruction remediation using an exothermic chemical reaction: Systems and methods comprise structures and methods for using a plurality of chemicals which are mixed subsea, resulting in a heated fluid which can be delivered by various means to an area about a subsea structure such as a pipe or other structure which has been compromised by a plug... Agent: Oceaneering International, Inc.

20140318793 - Hydraulic diversion systems to enhance matrix treatments and methods for using same: Systems and methods for treating formation intervals including forming a low permeability layer on a surface of the interval and pumping a sand control treating solution through the layer, which diverts the flow into the formation permitting improved treatment uniformity and improved overall internal treatment.... Agent: Clearwater International, LLC

20140318792 - System and method for enhanced recovery of oil from an oil field: An oil recovery system and method is disclosed. The system includes a solar power tower for receiving a first portion of water from a water treatment device. The solar power tower heats the first portion of water directly using solar radiation and generates a first steam. Further, the system includes... Agent: General Electric Company

20140318794 - Generation of hydrocarbon fuels having a reduced environmental impact: The Fischer-Tropsch (FT) process can be controlled to create water that has desirable characteristics for use in secondary processes such as fracking or irrigation.... Agent: Velocys Inc.

20140318795 - Compositions and methods for breaking hydraulic fracturing fluids: Breaking compositions are disclosed for controlled breaking of borate cross-linked fracturing fluids, and to method for making and using same, where the composition includes an oxidative component and an ester component.... Agent: Clearwater International, LLC

20140318796 - Downhole deployment valves: Methods and apparatus enable reliable and improved isolation between two portions of a bore extending through a casing string disposed in a borehole. A downhole deployment valve (DDV) may provide the isolation utilizing a valve member, such as a flapper, that is disposed in a housing of the DDV and... Agent:

20140318797 - Acid injection: A method of applying acid-wash to a subsea connection assembly, in particular a stabplate connection, in order to remove unwanted material such as marine growth and calcareous deposits. The method consists of inserting a plug, containing channels, into a central in a stabplate connection and injecting acid-wash through the plug.... Agent: Vetco Gray Controls Limited

20140318799 - Offshore methods of hydraulically fracturing and recovering hydrocarbons: There is provided synthetic proppants, and in particular polysilocarb derived ceramic proppants. There is further provided hydraulic fracturing treatments utilizing these proppants, and methods of enhance hydrocarbon recovery.... Agent: Melior Innovations, Inc.

20140318798 - System and method for subsea structure obstruction remediation using an exothermic chemical reaction: Systems and methods comprise structures and methods for using a plurality of chemicals which are mixed subsea, resulting in a heated fluid which can be delivered by various means to an area about a subsea structure such as a pipe or other structure which has been compromised by a plug... Agent: Oceaneering International, Inc.

20140318800 - Hydrostatic tubular lifting system: In one embodiment, a tubular lifting system for lifting a wellbore tubular includes an outer tubular; an inner tubular disposed in the outer tubular; an annular chamber defined between the inner tubular and the outer tubular; and a tubular piston selectively movable in the annular chamber, wherein the wellbore tubular... Agent: Weatherford/lamb, Inc.

20140318801 - Apparatus and method for isolating and securing an underwater oil wellhead and blowout preventer: A containment system having a containment dome and a seal plate which is attached to an oil wellhead casing or riser to prevent oil spills and contamination when an oil leak occurs. The containment dome is sealed to the seal plate by a compression mechanism so that oil will not... Agent:

20140318802 - Method and apparatus to control fluid flow from subsea wells: The present invention is directed to methods and apparatus to construct subsea wells with redundant parallel fluid flow control systems to allow new methods to stop subsea blow outs. More specifically, this invention provides methods and apparatus to construct subsea wells with a plurality of redundant parallel paths allowing for... Agent:

20140318804 - Riser recoil damping: An apparatus for use with a subsea well and comprising an upper riser part, a lower riser part, and a weak link coupling the upper and lower riser parts together; and a mechanism coupled between the upper and lower riser parts for damping recoil of the upper riser part following... Agent: Statoil Petroleum As

20140318803 - Riser system for transporting a slurry from a position adjacent to the seabed to a position adjacent to the sea surface: A riser system for transporting slurry from the seabed to the sea surface. The riser system comprises a first and second riser, a slurry pump system (17) to transport slurry up one of the risers, and a waste water pump system (107) to return waste water down one of the... Agent:

20140318805 - Coal bed gas well apparatus and method with minable non-sparking tubular and valve components: Disclosed is a wellbore configuration for use in coal bed gas production comprising tubing and down hole equipment made from non-sparking materials which can be mined out with the coal.... Agent: Halliburton Energy Services, Inc.

20140318806 - Apparatus and method for controlling a downhole device: Apparatus for controlling a downhole device in a well has a body with a control slot and pin movable in the slot. The slot has a first inactive loop in which the pin can cycle between different idling configurations, and a second active loop in which the pin can move... Agent:

20140318807 - Hydraseal frac valve: A valve seal assembly that provides for external pressure to be introduced to an energized seal of a valve, and compress the seal against a gate with enough force to block any paths where sand and chemicals would otherwise travel into valve body cavity or void. The external pressure introduced... Agent:

20140318808 - Fracturing multiple zones with inflatables: One or more inflatables are used to initiate fractures in a formation. The onset of fractures after inflation to a predetermined pressure also results in damage to the inflatable and the ability to follow up the stress that initiated the fracture with high flow at high pressure to further propagate... Agent: Baker Hughes Incorporated

20140318809 - Connector device for use in wireline intervention operations: A wireline connector device (10) for use in wireline intervention operations comprises a housing (18) connected to a first wireline conduit (L), a piston sleeve (46) located within the housing, and a collet device (60) configured to receive and retain a second wireline conduit, the collet device having a plurality... Agent: National Oilwell Varco Uk Limited

20140318812 - Apparatus for use in a fluid conduit: An apparatus for use in a fluid conduit comprises a plurality of segments arranged along a longitudinal axis, each segment comprising an extendable structure configured for extension in a lateral direction relative to the longitudinal axis, wherein the apparatus is configured for the sequential initiation of lateral extension of the... Agent: Xtreme Innovations Limited

20140318810 - Manipulatable filter system: A wellbore servicing system comprising a first wellbore servicing system component configured to communicate a fluid via a first fluid conduit, a second wellbore servicing system component comprising a second fluid conduit, and a filter system comprising an input conduit in fluid communication with the first fluid conduit, a plurality... Agent: Halliburton Energy Services, Inc.

20140318811 - Screen assembly: A screen assembly including one or more screen members that correspondingly form one or more flow paths. The one or more flow paths are discrete from a tubular with which the one or more screen members are associated, but in fluid communication with an axial passageway of the tubular. A... Agent: Baker Hughes Incorporated

20140318813 - Temporary support for electric submersible pump assembly: The need to have the housing of an ESP suspended by the discharge flange to allow room for downhole thermal expansion in a situation where there is no surface access to the lower end of the ESP when the discharge flange is bolted up is addressed by building the ESP... Agent: Baker Hughes Incorporated

20140318814 - Wireline pressure control apparatus: A wireline pressure control apparatus for use in an oil or gas well, comprising a grease injector having first and second tubes (10) and a bore (12), and a grease injection channel in communication with the bore for injecting grease between the outer surface of the wireline and the inner... Agent:

20140318815 - Actuator ball retriever and valve actuation tool: Disclosed is a tool for changing a plurality of sleeve valves in a well from a ball catching restricted bored state to an open bore state and for retrieving sleeve valve actuator balls of substantially the same diameter from the well.... Agent: Halliburton Energy Services, Inc.

20140318816 - Downhole tools with ball trap: The described embodiments relate to a downhole tool that can capture a ball in a trap to prevent both upwell and downwell movement of the ball. Further, certain embodiments described herein may prevent fluid from flowing past a captured ball in either the upwell or downwell directions. Ball and seat... Agent: Peak Completion Technologies, Inc.

20140318817 - Probe packer and method of using same: The techniques herein relate to a probe for forming a seal between a downhole tool and a wall of a wellbore. The probe includes a probe inlet extending from the downhole tool for fluid communication with a subterranean formation, a base positionable about the downhole tool about the probe inlet,... Agent:

  
10/23/2014 > 31 patent applications in 28 patent subcategories.

20140311729 - Hydromechanical slot perforator (variants): The proposed hydro-mechanical slot perforator for well drilling is a device designed for opening productive formations in at least two projections forming high quality slots. The perforator includes a casing, housing a piston-pusher, and a cutting assembly, located below the piston-pusher, including extendable cutting tools and a mechanism for extending... Agent:

20140311730 - Progressive cavity pump with free pump rotor: In a production apparatus for pumping production fluid to the surface of a well, a progressive cavity pump with a stator and a rotor in which the rotor has an extension which rests on a thrust bearing, lubricated by production fluid.... Agent:

20140311731 - Controlled rise velocity bouyant ball assisted hydrocarbon lift system and method: A hydrocarbon lift system and method for increasing petroleum production from an enclosed subterranean reservoir to the earth's surface comprises a column of buoyant balls in an outer pipe configured to entrain the buoyant balls into a first fluid in an annulus formed with an inner pipe drill string. A... Agent:

20140311732 - Variable diameter pipe clamp apparatus and torque module therefor: A combination for making up and breaking out pipe at an oil rig site includes a torque module and at least one pipe clamp apparatus. The torque module includes a pair of hydraulic motors, a torque transmission driven by the motors, a herringbone gear segment driven by the transmission to... Agent:

20140311733 - Overshot: An overshot (10, 100, 200) for handling equipment (12) defining a spearhead point (14). The overshot (10, 100, 200) includes: a substantially elongated overshot body (16); a pair of lifting dogs (18) pivotally mounted to the overshot body (16) so as to be movable between a dog closed configuration and... Agent: Zeon Corporation

20140311734 - Flooding operations employing chlorine dioxide: A method includes introducing a treatment fluid including a first polymer gel into a subterranean formation to generate a production fluid having an aqueous portion and a hydrocarbon portion, treating the aqueous portion of the production fluid with chlorine dioxide to separate additional hydrocarbons from the aqueous portion, and adjusting... Agent: Sabre Intellectual Property Holdings LLC

20140311735 - Blowout preventer monitor with trigger sensor and method of using same: The present disclosure relates to a monitor for a blowout preventer of a wellbore. The blowout preventer includes a housing, rams, and an actuator comprising a cylinder with a piston. The piston is operatively connectable with the ram and movable therewith. The monitor includes a monitor base operatively connectable to... Agent:

20140311736 - Zonal testing with the use of coiled tubing: A method and apparatus for measuring formation properties comprising coiled tubing fitted with a bottom hole assembly, wherein said bottom hole assembly comprises means to measure formation fluid properties, means to transmit said formation fluid properties to a surface monitoring system, means to isolate a section of a wellbore, and... Agent:

20140311738 - Fluid container reloading tool: A fluid container reloading tool for a downhole fluid sampling tool (114) is described. The reloading tool includes an elongated cylindrical body. The body may include a bottom opening sized to engage with a fluid sampling tool deployed within a borehole. A cache (263) of empty fluid containers (210) may... Agent: Halliburton Energy Services, Inc.

20140311737 - Formation testing: Formation testing which may involve circulating mud in a pipe string from a mud pit through a port in the pipe string to a downhole diverter sub, wherein the pipe string is suspended in a wellbore extending into a subterranean formation, operating a downhole pump to pump formation fluid from... Agent:

20140311739 - Acceleration of heavy oil recovery through downhole radio frequency radiation heating: Heavy oil recovery using downhole radio frequency radiation heating accelerates SAGD thermal recovery processes. In one embodiment, one or more SAGD well pairs traverse a subterranean formation for recovering heavy oil. The SAGD well pairs each create a steam chamber which, over time, expands to allow each steam chamber to... Agent: Conocophillips Company

20140311740 - Stabilizing unconsolidated formation for fines control: A method for treating a zone of a subterranean formation penetrated by a wellbore, the method including the steps of: (A) introducing a treatment fluid through the wellbore into the zone of the subterranean formation, wherein the treatment fluid comprises an alkoxysilane having at least two alkoxy groups; (B) shutting... Agent: Halliburton Energy Services, Inc.

20140311741 - Space provision system using compression devices for the reallocation of resourced to new technology, brownfield and greenfield developments: Method and system of providing or enabling cap rock restoration of at least a portion of a producible zone of a subterranean well by placing and supporting at least one cement equivalent well barrier member within an operable usable space, formed by at least one cable operable and rig-less string... Agent:

20140311742 - Compositions and methods for servicing subterranean wells: This invention relates to methods for servicing subterranean wells, in particular, fluid compositions and methods for remedial operations during which the fluid compositions are pumped into a wellbore and make contact with well cements placed during primary cementing or previous remedial cementing operations.... Agent:

20140311743 - Methods and compositions of treating subterranean formations with a novel resin system: Methods of treating a wellbore in a subterranean formation including providing an aqueous treatment fluid comprising a liquid resin agent, wherein the liquid resin agent comprises the reaction product of a multifunctional electrophilic compound and at least one nucleophilic compound selected from the group consisting of a dimer acid; a... Agent:

20140311744 - Water heating apparatus for continuous heated water flow and method for use in hydraulic fracturing: A method of hydraulic fracturing of an oil producing formation includes the provision of a heating apparatus which is transportable and that has a vessel for containing water. The method contemplates heating the water up to a temperature of about 200° F. (93.3 ° C.). A water stream of cool... Agent:

20140311745 - Methods and compositions of treating subterranean formations with a novel resin system: Embodiments including methods of treating a subterranean formation comprising providing a solvent-based treatment fluid comprising a liquid resin agent, wherein the liquid resin agent comprises the reaction product of a multifunctional electrophilic compound comprising at least two electrophilic reactive groups and at least one nucleophilic compound selected from the group... Agent: Halliburton Energy Services, Inc.

20140311746 - Use of chelants in formate-based solutions to dissolve residual filtercakes in subterranean wells: A wellbore fluid for dissolving a filtercake includes a chelating agent and an aqueous solution of carboxylate salt. The concentration of the chelating agent is up to 50 percent volume per volume (v/v) in the aqueous solution of carboxylate salt. A method of treating a well includes preparing a wellbore... Agent: M-i L.L.C.

20140311747 - Fluid bypass for inflow control device tube: Certain aspects and embodiments of the present invention are directed an inflow control device tube that can be disposed in a wellbore through a fluid-producing formation. The inflow control device tube can include a body, such as a tubular body, and an inlet portion at a first end of the... Agent: Halliburton Energy Services, Inc.

20140311748 - Apparatus and methods for inspecting and cleaning subsea flex joints: A remotely operated device for inspecting and/or cleaning a subsea flexible pipe joint comprises a support assembly. In addition, the device comprises a tool positioning assembly coupled to the support assembly. The tool positioning assembly includes a rotating member disposed about a central axis. The tool positioning assembly is rotatable... Agent:

20140311749 - Riser weak link: A riser weak link in a riser connects a floating installation or vessel to a hydrocarbon well on the seabed. The weak link includes a first riser part in the form of an upper housing for connecting to a riser upper section; a second riser part in the form of... Agent: Statoil Petroleum As

20140311751 - Annular barrier and annular barrier system: The present invention relates to an annular barrier system for expanding an annular barrier in an annulus between a well tubular structure and an inside wall of a borehole downhole. The annular barrier system comprises an annular barrier having a tubular part for mounting as part of the well tubular... Agent:

20140311750 - Financial methods for waterflooding injectate design: A method of selecting an injectate for recovering liquid hydrocarbons from a reservoir includes designing a plurality of injectates, calculating a net present value of each injectate, and selecting a candidate injectate based on the net present value. For example, the candidate injectate may be selected to maximize the net... Agent: Sandia Corporation

20140311752 - Downhole plug apparatus: The present invention relates to downhole tools and methods of removing such tools from wellbores. More particularly, the present invention relates to downhole tools designed to be comprised of dissolvable materials or frangible materials and methods for dissolving or fragmenting such downhole tools in situ.... Agent: Halliburton Energy Services, Inc.

20140311753 - Rotating mandrel casing hangers: Rotating mandrel casing hangers are provided. In one embodiment, a system includes a casing hanger having a lower end configured to engage a casing string and a running tool configured to engage the casing hanger. The system is configured to facilitate rotation of the casing hanger within a casing head... Agent:

20140311754 - System and method for splicing a non-spoolable tool anywhere along a coiled tubing string: A system and method for splicing a non-spoolable tool anywhere along a coiled tubing string. A removable tubing section may be connected along a coiled tubing string by two spoolable connectors. The coiled tubing string may be unspooled from a reel until the removable tubing section and connectors are positioned... Agent: Baker Hughes Incorporated

20140311755 - Apparatus for driving and maneuvering wireline logging tools in high-angled wells: A data logging apparatus for use in a wellbore of a fluid production well includes a forward portion for guiding the data logging tool through the wellbore. An elongated body having a first end and a second end includes electronic circuitry for receiving data from at least one sensor provided... Agent: Saudi Arabian Oil Company

20140311756 - Pipe centralizer having low-friction coating: A centralizer for a tubular body in a wellbore is provided herein. The centralizer includes an elongated body having a bore there through. The bore is dimensioned to receive a tubular body. The elongated body has an inner surface and an outer surface. The centralizer also has a coating deposited... Agent:

20140311757 - Pulling tool: The present invention relates to a pulling tool (1) for latching onto an object (30), such as a plug, downhole in a wellbore The pulling tool comprises a base element (10) extending in a longitudinal direction from a proximal end (10a) for being connected to a wireline tool to a... Agent:

20140311758 - Continuously bonded small-diameter cable with electrical return on outer wires: A small-diameter, continuously bonded cable and a method for manufacturing the same includes at least one longitudinally extending inner metallic component with a tie layer of an amended polymer material surrounding and bonded thereto in steps of heating and extruding. A longitudinally extending outer metallic component is radially spaced from... Agent: Schlumberger Technology Corporation

20140311759 - Annular barrier system with flow lines: The present invention relates to an annular barrier system (100) connected with a well head (40) via a well tubular structure (3), comprising a first annular barrier (1) and a second annular barrier (21) to be expanded in an annulus (2) between the well tubular structure and an inside wall... Agent: Welltec A/s

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