Wells inventions

20080202742 - Open cavity in a pocket of a downhole tool string component: A downhole tool string component, having a tubular body with an inner and outer diameter. A pocket is formed in the outer diameter and is adapted to receive downhole instrumentation. A covering is attached to the outer diameter of the component and is adapted to seal the pocket from outside... Agent: Tyson J. Wilde Novatek International, Inc.

20080202743 - Downhole flow reversal apparatus: A water reinjection arrangement for a coal bed methane well to minimize water disposal problems at the well surface. Water is withdrawn by a motor driven pump from an upper coal seam through openings in the upper portion of the well casing. A flow reversing head is provided within the... Agent: Alfred J. Mangels

20080202744 - Methods and compositions for fracturing subterranean formations: Viscoelastic surfactant (VES) gelled aqueous fluids containing water, a VES, an internal breaker, a VES stabilizer, a fluid loss control agent and a viscosity enhancer are useful as treating fluids and particularly as fracturing fluids for subterranean formations. These VES-based fluids have faster and more complete clean-up than polymer-based fracturing... Agent: Madan, Mossman & Sriram, P.C.

20080202745 - Fluid level sensing device and methods of using same: A sensor used to determine the height of one or more fluids in a fluid column and to determine a location of an interface or boundary between a plurality of fluids in a fluid column is disclosed. The sensor includes a plurality of sensing elements comprising a capacitor and other... Agent: Holme Roberts & Owen, LLP

20080202746 - Plunger lift controller and method: An embodiment of a method of controlling a plunger lift system for a well, the plunger lift system having a tubing positioned in a cased well, a plunger in the tubing moveable from the bottom of the tubing to a top of the tubing, a control valve in functional connection... Agent: Winstead PC

20080202747 - Methods of marking a zone of a wellbore for localizing the source of produced particulate: A method of localizing the source of a particulate produced with a fluid through a wellbore is provided, the method comprising the steps of: (A) providing marking composition comprising at least one marker that: (i) is capable of binding with a particulate; and (ii) has a detectable property distinguishable from... Agent: Robert A. Kent

20080202748 - Tubingless electrical submersible pump installation: A method of producing a well utilizes a submersible pump run on a line, such as braided wire rope, that includes power conductors. The operator sets a packer in the casing, the packer having a check valve and a tieback receptacle. The operator pressure tests the integrity of the casing... Agent: Bracewell & Giuliani LLP

20080202749 - Polymeric gel system and use in hydrocarbon recovery: Coacervate gels having excellent shear viscosities and other properties are made with anionic or cationic polymers, a smaller amount of a surfactant having a charge opposite that of the polymer, and a hydrophobic alcohol. The Zeta Potential of the gel is maintained at an absolute value of at least 20.... Agent: Patterson & Sheridan, L.L.P.

20080202750 - Proppant materials and methods: The present invention provides thermoplastic coated proppants and methods for preparing the thermoplastic coated proppants. Methods for using these proppants in subterranean well formations and hydraulic fracturing operations, for example, are also disclosed.... Agent: Patent Group Ga30-43

20080202751 - Methods and devices for forming a wellbore with casing: An example of a method for cementing a casing within an earthen formation includes the steps of providing a gripping mechanism connected to a cementing assembly and a top drive; gripping the casing with the gripping mechanism; sealingly engaging the casing with a seal member; moving the casing to a... Agent: Winstead PC (fcc-fki) Henry L. Ehrlich

20080202752 - Low density, high yield cement slurry formulation and method of using the same: A cement mix for cementing the well casing within a wellbore which contains a synergistic blend of an alkali metasilicate and/or alkali silicate, aluminum silicate and either silica fume or micro silica quartz along with a Portland cement. The cement mix, when combined with mix water, may render a cementitious... Agent: Jones & Smith , LLP

20080202753 - Method and apparatus for expanding and separating tubulars in a wellbore: Embodiments of the present invention provide an apparatus and method for expanding a tubular. In one aspect, embodiments of the prevent invention provide an expander tool having at least two expansion members radially extendable from the expander tool into contact with a surrounding inside surface of the tubular, the at... Agent: Patterson & Sheridan, L.L.P.

20080202754 - Casing window milling assembly: Casing window milling assemblies include a conically-shaped section disposed along the tubular of the assembly. This conically-shaped section is a non-cutting portion that is preferably tapered toward the mill head. The conically-shaped section may be part of a flex-joint section of the assembly. Alternatively, the conically-shaped section may be its... Agent: Greenberg Traurig (hou) Intellectual Property Department

20080202755 - One trip system for circulating, perforating and treating: A well completion method and apparatus comprises a pipe string having a bottom attached boring bit and scraper or reamer. Above the bit at designated well fluid production locations, perforation assemblies are integrated into the pipe string. Each perforation assembly comprises a by-pass circulation mandrel and a perforation gun. The... Agent: W. Allen Marcontell

20080202756 - Magnetic assemblies for deposit prevention: An apparatus and method for controlling and/or minimizing the formation or accumulation of unwanted deposits on the inside of fluid flow paths by employing at various locations along the path an assembly of permanent magnets oriented such that the fluid flow is preferably from the North magnetic pole to the... Agent: Locke Lord Bissell & Liddell LLP Attn:IPDocketing

20080202757 - Method of stimulating a coalbed methane well: A method of stimulating gas production from a coalbed methane well that involves injecting a foam forming liquid and an expandable fluid into a coal seam proximate the wellbore. When the wellbore pressure is reduced, at least a portion of the expandable fluid can vaporize, which can generate foam that... Agent: Conocophillips Company -IPServices Group Attention: Docketing

20080202758 - Method for using and transporting a non-emulsified organic peroxide-containing composition: A method of using an organic peroxide containing composition as a gel breaker and a method of transporting the composition is disclosed, wherein the composition has a freeze point less than or equal to −10° C. and a diluent which contains water and an organic solvent selected from ethylene glycol,... Agent: Jones & Smith , LLP

20080202759 - Crosslinked acids comprising derivatized xanthan and subterranean acidizing applications: Many methods are provided herein including, in one embodiment, a method comprising: providing a fluid that comprises an acid, crosslinked oxidized xanthan, and optionally, a base fluid; placing the fluid in a well bore penetrating a subterranean formation; and allowing the fluid to acidize at least a portion of the... Agent: Robert A. Kent

20080202760 - Subsea securing devices: A securing device comprises an axially reciprocable drive shaft which has a head adapted to pass forwards through a detent plate. The head is adapted to engage the plate after rotation. A cam slot is defined in a drive housing and is engageable by a cam follower carried on the... Agent: Nixon & Vanderhye, PC

20080202761 - Method of functioning and / or monitoring temporarily installed equipment through a tubing hanger.: The invention covers the method of supplying services to a device such as a Subsea Intervention Tree and Retainer Valve using conduits routed through a tubing Hanger. The method of this invention provides control of equipment sitting within the BOP stack and/or marine riser using control systems located external to... Agent: Longman Russo A Professional Law Corporation

20080202762 - Fluid filtration tool: A dual use fluid filtration tool to separate both solids and gas from a fluid. The fluid filtration tool is suspended from and connected to downhole equipment, such as a downhole submersible pump having a motor, which rotates a shaft. The tool includes a housing having a cylindrical wall with... Agent: Head, Johnson & Kachigian

20080202763 - Method to optimize production from a gas-lifted oil well: A method for determining and reporting a general production state of a gas-lift system for an oil well, the oil well having associated tubing, casing, and gas-lift valves, and wherein sensor signals from the welt and its associated tubing and casing are input into mathematical models. The method comprises the... Agent: Law Offices Of Tim Headley

20080202764 - Consumable downhole tools: A method of removing a downhole tool from a wellbore comprising contacting the tool with a heat source wherein the tool comprises at least one load-bearing component comprising a thermally degradable material. A method of reducing the structural integrity of a downhole tool comprising fabricating the load-bearing components of the... Agent: John W. Wustenberg

20080202765 - Method of manufacturing downhole tool string components: A method for making a downhole electrical transmission system, having the steps of providing an electrically conductive assembly disposed within a first downhole tool string component, the assembly having a first end and being anchored to the first tool string component at a first predetermined distance from a primary shoulder... Agent: Tyson J. Wilde Novatek International, Inc.

20080202768 - Device for selective movement of well tools and also a method of using same: The present invention relates to a device for the selective movement of a well tool (20, 20′, 40) in or through at least a portion of a pipe string (2), said at least one portion of the pipe string (2) being provided with a plurality of electromagnets (3) which are... Agent: Patterson & Sheridan, L.L.P.

20080202767 - Drill pipe conveyance system for slim logging tool: A well logging instrument deployment device includes a housing configured to be coupled to a pipe string. A carrier sub is disposed inside the housing and configured to move longitudinally inside the housing. At least one well logging instrument is coupled to the carrier sub. A latch is configured to... Agent: Schlumberger Ipc Attn: David Cate

20080202766 - Pressure activated locking slot assembly: A locking slot assembly may include a slot, a lug configured to move within the slot, and a lock configured to prevent the lug from moving within the slot until a triggering event occurs. The lock may be further configured to allow the lug to move within the slot after... Agent: John W. Wustenberg Halliburton Energy Services, Inc.

20080202769 - Well wall gripping element: A gripping element for incorporation into a track of a downhole tractor. The gripping element may be configured with an arcuate or curved surface in order to roughly match the arcuate nature of a well through which the downhole tractor is advanced. Due to the matching arcuate surfaces of the... Agent: Schlumberger Ipc Attn: David Cate

20080202770 - Wellbore bypass method and apparatus: A valve (136, 136′, 136″, 200) adapted to replace an existing valve of a wellhead (114). Valve (136, 136′, 136″, 200) can have similar dimensions as the existing valve it replaces to utilize existing wellhead connections. In one embodiment, a replacement bypass master valve (136) incorporates a fluid bypass pathway... Agent: Howrey LLP

20080202771 - Subterranean well tool including a locking seal healing system: A well tool with multi-stage remedial system improves the durability of a subterranean well tool having an expanded elastomeric member, such as a packer, for use inside a tubular member. The well tool with multi-stage remedial system has a plurality of mandrel members shiftable within the tubular member for anchoring... Agent: Mark A Oathout

20080196879 - Mechanically coupled screen and method: A particulate exculder tool includes a basepipe having one or more retention features; a screen jacket disposed radially outwardly of the basepipe; one or more end housings at the screen jacket; and a deformable element disposed between a portion of the one or more end housings and one or of... Agent: Cantor Colburn, LLP

20080196880 - Electric submersible pump and motor assembly: An assembly for downhole applications comprises an electric motor, a pump driven by the electric motor, the assembly being suspended from and lowered through the well on a deployment tube, the electric motor and the pump both being hollow such that a bore passes from the tube past the motor... Agent: K.f. Ross P.C.

20080196881 - Wellbore cleaning tool and method: In one embodiment, a cleaning tool (12) is disclosed which comprises a tool main body (19) and a number of magnets (20) mounted for selective movement relative to the main body between deactivated and activated positions. When in the activated positions, the magnets serve for attracting ferrous material present in... Agent: Osha Liang/mi

20080196882 - Slip spool assembly and method of using same: A slip spool includes radially disposed actuators for radially moving slip blocks between a loose encirclement position in which they surround the tubing string and a cached position in which the slip blocks clear an axial passage of the slip spool. The slip spool further includes axially disposed actuators for... Agent: Nelson Mullins Riley & Scarborough, LLP

20080196883 - Centralizing apparatus: A wellhead isolation tool including a cup mandrel and a centralizing device. The centralizing device will align the tool so that the cup seal at the lower end of the cup mandrel sealingly engages the production casing. The cup mandrel has an open bore for allowing service tools to pass... Agent: John W. Wustenberg

20080196884 - Expandable packer with mounted exterior slips and seal: A packer device includes a central packer mandrel and a radially surrounding expansion mandrel. At least one slip mandrel carrying wickers surrounds the expansion mandrel and is secured in place upon the expansion mandrel by an annular retaining ring. The slip mandrel is secured to the retaining ring by screw... Agent: Shawn Hunter

20080196885 - Shaft plugging system: A shaft plug (11) for a mine shaft (10), the shaft plug (11) comprising an inflatable bladder adapted to be inflated by pressurised gas, the bladder being adapted to be positioned within a shaft (10) prior to inflation and to be inflated to contact the walls of the shaft (10)... Agent: Gottlieb Rackman & Reisman PC

20080196887 - Apparatus and method for active circuit protection of downhole electrical submersible pump monitoring gauges: Embodiments of the present invention beneficially provide circuits and methods which isolate downhole electronics of a well pump assembly from a power surge. The pump assembly includes a motor and a housing, including head, base, and manifold plate. The head has a hollow interior and a shoulder. The head is... Agent: Bracewell & Giuliani LLP

20080196886 - Casing vent security device: A casing vent security device is disclosed and illustrated. The device includes an in-line section in communication with a casing vent, the in-line section having an ambient air passageway for selectively allowing ambient air to pass through the in-line section and into the vent; a plurality of sensors disposed within... Agent: Whyte Hirschboeck Dudek S C

20080196888 - Ram bop position sensor: A method to determine movement of a wellhead component includes sensing a relative position of the wellhead component with a magnetostrictive sensor over a selected interval of time. The method includes sending a signal from the magnetostrictive sensor to a data acquisition device and recording the relative position of the... Agent: Osha Liang L.L.P.

20080196889 - Reverse circulation cementing valve: A method for reverse cementing may include providing a valve having a sliding sleeve, an outer sleeve situated about at least a portion of the sliding sleeve and connected to a casing string, and a spring configured to position the valve in an open position. The method may also include:... Agent: John W. Wustenberg Halliburton Energy Services, Inc.

20080196890 - Magnetic power transmission devices for oilfield applications: A method and apparatus relates to incorporating a magnetic coupling for use in oilfield applications. The magnetic coupling is operatively coupled to an oilfield machine to provide a controlled operational speed. The magnetic coupling may be operatively connected to a motor and a drive shaft where a speed of rotation... Agent: Osha Liang/mi

20080196891 - Communication tool and method for a subsurface safety valve with communication component: A communication tool apparatus is described which is adapted to provide selective communication of control fluid through a downhole device such as a safety valve. The downhole safety valve is a tubing retrievable subsurface safety valve (“TRSSSV”). The communication tool may be run downhole and within the TRSSSV. Once within... Agent: Howrey LLP

20080196892 - Enzyme enhanced oil recovery (eeor) for waterflooding operations: The present disclosure involves the release or recovery of subterranean hydrocarbon deposits and, more specifically, to a system and method for secondary and/or enhanced oil recovery (EOR), by utilizing waterflooding compositions that include enzymes as well as methods for injecting waterflooding compositions into subterranean formations for oil recovery operations.... Agent: Guerry Leonard Grune

20080196893 - Process for oil recovery using mixed surfactant composition: e

20080196894 - Process for recovering heavy oil using multiple effect evaporation: A method for recovering heavy oil including recovering an oil-water mixture from a well and separating oil from the oil-water mixture to produce an oil product and produced water. The produced water is separated into a series of produced water streams. Each produced water stream is directed into each of... Agent: Coats & Bennett, PLLC

20080196895 - Method to enhance proppant conductivity from hydraulically fractured wells: A method of mitigating proppant settling in a hydraulic fracture in order to better suspend the proppant as well as ensure a more uniform pack, by mixing a pre-determined volume percent of low density additive, such as glass beads or other suitable material, such as polylactic acid particles, into the... Agent: Garvey Smith Nehrbass & North, LLC

20080196896 - Methods and apparatus for fiber-based diversion: Methods and apparatus are described for fiber-based fluid diversion in hydrocarbon-containing wells. One method embodiment of the invention comprises treating a first zone in a well; conveying a tool into the well, the tool carrying a composition comprising fibers; and activating the tool to deploy enough of the composition to... Agent: Schlumberger Technology Corporation David Cate

20080196897 - Methods of completing wells for controlling water and particulate production: Disclosed embodiments relate to methods of completing wells in subterranean formations. An exemplary embodiment comprises forming an artificial barrier to water flow, wherein the artificial barrier is located at or above a hydrocarbon-water interface between a water-bearing formation zone and a hydrocarbon-bearing formation zone. The exemplary embodiment further comprises consolidating... Agent: Halliburton Energy Services, Inc.

20080196898 - Multi-purpose pressure operated downhole valve: A downhole valve features a flow port that can be selectively obstructed by a pressure actuated sleeve that is movable in a pin and slot mechanism to rotate while being cycled up and down by application and removal of pressure in a cyclical manner. When the sleeve is cycled to... Agent: Duane Morris LLP

20080196899 - Marine riser tower: The invention provides a marine riser apparatus (1) for use in the production of hydrocarbons from offshore wells and an associated method of installation of the apparatus at sea. The riser tower comprises rigid pipelines arranged in a riser tower bundle (2) and extending from a wellhead on the seabed... Agent: C. James Bushman

20080196900 - Polymeric materials: A method of fitting a compressed component, for example a pipe, in a receiver, for example a bore, comprises compressing a selected component which is made out of a polymeric material having a glass transition temperature of at least 100° C., for example polyetheretherketone; arranging the compressed component in position... Agent: Michael Best & Friedrich LLP

20080196901 - Self-aligning open-hole tractor: A downhole tractor assembly that is configured for open-hole applications and of a self-aligning nature. The self-aligning nature of the assembly is effectuated through a tractor portion which is rotable about an axis of an elongated body of the assembly independent of a separate centralizing portion of the assembly. That... Agent: Schlumberger Ipc Attn: David Cate

20080196902 - Wireline or coiled tubing deployed electric submersible pump: An electric submersible pump and motor assembly for downhole applications, comprises an electric motor, a pump driven by the electric motor, a deployment line upon which the electric motor and pump may be lowered down through a production tube, and a sealing means for sealing the assembly against the production... Agent: K.f. Ross P.C.

20080196903 - Shoe for wellbore iining tubing: This invention relates to a shoe for wellbore lining tubing and to a method of locating wellbore lining tubing in a wellbore. In one embodiment, a shoe (30) is disclosed which includes a tubular outer body (32) that is coupled to a wellbore lining tubing (28), and a tubular inner... Agent: Lundeen & Lundeen, PLLC

20080196904 - Wireline entry sub: A wireline entry sub includes a body having an upper end, a lower end and a longitudinal, center axis therebetween, the body adapted for connection below a top drive to a wellbore string of tubulars; a slot on the body open a depth from a body outer surface to at... Agent: Bracewell & Giuliani LLP

20080190598 - Pipe handling device and safety mechanism: A pipe handling A assembly includes: a pipe engaging apparatus including a pipe gripping mechanism connectable to a top drive such that the top drive transmits rotational movement and axial movement to the pipe gripping mechanism; a pipe handling device for mounting onto the pipe engaging apparatus, the pipe handling... Agent: Bennett Jones C/o Ms Roseann Caldwell

20080190599 - Packless stuffing box annular seal assembly: An improved annular seal assembly and packless stuffing box for an oil pumping unit of the type having a polished rod reciprocatingly extending therethrough and downhole to a pump located at the lower end of a borehole. The stuffing box has a main body that terminates in a tubing adaptor... Agent: Michael A. Shippey, Ph. D.

20080190600 - Drillable bridge plug: A downhole tool for isolating zones in a well, the tool including a mandrel, a sealing element disposed around the mandrel, an upper cone disposed around the mandrel proximate an upper end of the sealing element, an upper slip assembly disposed around the mandrel adjacent a sloped surface of the... Agent: Osha, Liang LLP / Smith

20080190601 - Fracturing isolation sleeve: An apparatus operatively coupled to a well having a production casing positioned therein, the apparatus including a first device having and internal bore, a second device having an internal bore, and a fracture isolation sleeve disposed at least partially within the internal bores of the first and second devices, wherein... Agent: Williams, Morgan & Amerson

20080190602 - Centralizer tool, a centralizing method and a method of making a centralizer tool: Disclosed herein is a method for centralizing a downhole component. The method includes, delivering a tubular member with a plurality of lines of weakness therein to a site requiring a centralizer, and actuating the tubular member by causing a portion of the tubular member to deform radially from an unactuated... Agent: Cantor Colburn, LLP

20080190603 - Method of fracturing a subterranean formation at optimized and pre-determined conditions: s

20080190604 - System and method for coordinated monitoring and control of multiple oil well pump systems: A pump monitoring and control system includes a plurality of pumps associated with a well, each of the plurality of pumps including one or more sensors associated therewith, and one or more communication devices linking each of the sensors with a well system controller. The well system controller is configured... Agent: Cantor Colburn LLP-ibm Yorktown

20080190605 - Apparatus and methods of flow testing formation zones: Embodiments of the present invention provide a method and apparatus for flow testing multiple zones in a single trip. In one embodiment, a method of flow testing multiple zones in a wellbore includes lowering a tool string into the wellbore. The tool string includes an inflatable packer or plug and... Agent: Patterson & Sheridan, L.l.p.

20080190606 - In-situ method of producing oil shale, on-shore and off-shore: A method is provided for in-situ production of oil shale wherein a network of fractures is formed by injecting liquified gases into at least one substantially horizontally disposed fracturing borehole. Heat is thereafter applied to liquify the kerogen so that oil shale oil and/or gases can be recovered from the... Agent: Dunlap Codding & Rogers, P.c.

20080190607 - Process for recovering heavy oil: A method for recovering oil includes recovering an oil-water mixture from a well and separating oil from the oil-water mixture to produce an oil product and produced water. The produced water is directed to an evaporator which produces steam that is condensed to form a distillate. Thereafter the distillate is... Agent: Coats & Bennett, Pllc

20080190608 - Gravel pack multi-pathway tube with control line retention and method for retaining control line: A unitary gravel pack multi-pathway tube includes a body; a gravel slurry flow passage defined within the body; and a control line protection projection extending from and supported by the body, the projection extending laterally from the body relative to an extent of the flow passage and method.... Agent: Cantor Colburn, LLP

20080190609 - Methods for reducing the viscosity of treatment fluids comprising diutan: Methods are provided that include a method comprising providing a treatment fluid comprising a base fluid and a gelling agent that comprises a diutan composition; providing a breaker that comprises an acid composition; allowing the breaker to interact with the treatment fluid; and allowing the viscosity of the treatment fluid... Agent: Robert A. Kent

20080190610 - Fracture clean up method: Methods including the pumping of fracturing fluid carrying proppant. Simultaneously particulate is pumped made of substance that under subterranean temperature releases hydrochloric or etching acid precursor, wherein the said acid precursor reacts with the formation water and produces acid. The methods stimulate the inflow of formation fluid towards the well... Agent: Schlumberger Technology Corporation David Cate

20080190611 - Systems for actuating a downhole tool: A system for actuating a downhole tool disposed within a work string comprising a support suspending the work string into a well bore, a launching apparatus positioned at a location remote from the work string, a tortuous path connected between the launching apparatus and the work string, and a mechanical... Agent: John W. Wustenberg

20080190612 - Method and a device for in situ formation of a seal in an annulus in a well: A method and a device for in situ formation of a seal (17) in a region (2) of an annulus (18) located around a pipe structure (4) in a well (18), in which the method comprises the following steps: (A) to convey a perforation device into the pipe structure (4)... Agent: Foley And Lardner LLP Suite 500

20080190613 - Methods for actuating a downhole tool: A method of servicing a well bore comprising positioning a launching apparatus at a location remote from a work string, routing a first mechanical plug through the work string and a tubular, actuating a first cementing plug within the tubular via the first mechanical plug, and pumping a cement slurry... Agent: John W. Wustenberg

20080190614 - Silicate-based wellbore fluid and methods for stabilizing unconsolidated formations: A method for treating a subterranean formation penetrated by a wellbore that includes injecting an alkali silicate into the wellbore; injecting a solid micronized silicate-precipitating agent into the wellbore; and allowing the alkali silicate and the solid micronized silicate-precipitating agent to react to form a silicate gel is disclosed.... Agent: Osha Liang/mi

20080190615 - Rheology modifier for cement slurries: A low density cement slurry for use in a wellbore comprising a cement blend and an alkali swellable polymer as a thickening additive... Agent: Schlumberger Technology Corporation David Cate

20080190616 - Apparatus for radially expanding and plastically deforming a tubular member: An apparatus for radially expanding and plastically deforming a tubular member.... Agent: Conley Rose, P.c

20080190617 - Valve construction and method of use: An actuated valve having a rotatable cam that controls an opening and closing disc and stop members for the cam, the cam having a notch that allows the cam to be stopped between fully open and fully closed, and an adjustable member on the stop member that corresponds with the... Agent: Lyondellbasell Industries

20080190618 - Method of blending hazardous chemicals to a well bore: A method for blending a well treatment fluid at a well site, including (1) providing centrifugal pumps for pumping components of the well treatment fluid into a pipe, (2) providing valves for controlling the flow of the components of the well treatment fluid into the pipe, and (3) controlling the... Agent: John W. Wustenberg

20080190619 - Methods and compositions for improved stimulation of permeable subterranean reservoirs: A low viscosity fluid for reducing fluid loss in a relatively low permeability formation has a viscosity of less that 10 CP and contains a low molecular weight viscosifying agent The aqueous medium may be fresh water, salt water, brine or slickwater. The invention has particular applicability when an ultra... Agent: Jones & Smith, LLP

20080190620 - Single cycle dart operated circulation sub: A circulating sub is run in with the circulating port closed. A dart blocks a central passage and moves two concentric pistons in tandem to open the circulation port while retaining the dart. The outer piston shoulders out in the circulation port open position. A second dart lands on the... Agent: Duane Morris LLP

20080190621 - Locking cap for subsea tree: A locking tree cap for use on a subsea tree. The tree cap may be installed and retrieved using a remote operated vehicle. The tree cap may include deflectable collet fingers that lock the tree cap to a tree spool. The deflectable collet fingers may be adapted, such as with... Agent: Howrey LLP

20080190622 - Downhole production and injection pump system: A downhole pump, positionable in a fluid column that is substantially separated into an oil portion and a water portion, for selectively lifting the oil to a surface and injecting the water into an injection zone includes a housing having a top wall, and a bottom wall defining a cylinder;... Agent: Schlumberger Reservoir Completions

20080190623 - Radial indexing communication tool and method for subsurface safety valve with communication component: A communication tool apparatus is described which is adapted to provide selective communication of control fluid through a downhole tool, such as a safety valve. The downhole safety valve is a tubing retrievable subsurface safety valve (“TRSSSV”). The communication tool may be run downhole and within the TRSSSV. Once within... Agent: Howrey LLP

20080190624 - Method for drilling oil and gas wells: When drilling or completing an oil or gas well, it is often desirable to drill a borehole at an angle to the initial borehole. A process for deflecting a well tool towards the wall of a well bore comprises positioning within the well bore a radially expandable pipe designed to... Agent: Nixon & Vanderhye, Pc

20080185137 - Downhole cutting tool, method of using, and method of making: Disclosed herein relates to a single piece tubular member. The tubular member having a non-radially displaceable portion and a radially displaceable portion, the radially displaceable portion being movable to a position of similar radial displacement as that of the non-radially displaceable portion and a position of relatively large radial displacement... Agent: Cantor Colburn, LLP

20080185138 - Active cable for wellbore heating and distributed temperature sensing: A heating and distributed-temperature-sensor cable permanently fixed in a wellbore that permits known amounts of heat to be introduced to subsurface formations and improved temperature measurement thereof. The heat is introduced into a target zone of the wellbore by forming the cable in two sections: an upper section that carries... Agent: Schlumberger Ipc Attn: David Cate

20080185139 - Drum for a well access line: A drum assembly for accommodating a well access line. The drum of the assembly may include a core coupled to flanges at either side thereof. The core may be configured to accommodate the well access line thereabout. Additionally, the core may be configured with an inner portion for coupling to... Agent: Schlumberger Ipc Attn: David Cate

20080185140 - Method and apparatus for connecting tubulars using a top drive: An apparatus for facilitating the connection of tubulars, said apparatus comprising a winch, at least one wire line, and a device for gripping the tubular, the arrangement being such that, in use, the winch can be used to winch said at least one wire and said device to position a... Agent: Patterson & Sheridan, L.L.P.

20080185141 - Plunger lift system: An intermittent lift plunger includes at least one seal mandrel, a bottom sub and an upper valve assembly. The valve assembly is closed by a well bottom stop which inserts into the lift plunger and opened by a lubricator stop at the top of the well. The seal mandrel includes... Agent: Edward Yoo C/o Bennett Jones

20080185142 - Downhole transducer with adjacent heater: An apparatus comprising a downhole measurement tool, a transducer coupled to the measurement tool, the transducer having a body with an outer surface, and a heater disposed adjacent the outer surface to conduct heat from the heater to the outer surface.... Agent: Conley Rose, P.C. David A. Rose

20080185143 - Blowout preventer testing system and method: A method and apparatus for testing a blowout preventer (BOP) wherein a pressurization unit applies fluid to an isolated portion of the throughbore of the BOP. A signal that is representative of the actual pressure in the isolated portion of the throughbore over successive time points and a pre-determined non-deterministic... Agent: Carol Wilson Bp America Inc.

20080185144 - Providing an expandable sealing element having a slot to receive a sensor array: A completion assembly has an expandable sealing element provided on an outer surface of the completion assembly. The expandable sealing element has a slot. The slot of the expandable sealing element enables the expandable sealing element to expand around a spoolable sensor array.... Agent: Schlumberger Reservoir Completions

20080185145 - Methods for extracting oil from tar sand: Hydrocarbon containing formations can be processed using an in-situ liquefaction technique. This new technique embodies systematic temperature elevation applied to subsurface formation allowing recoverable hydrocarbons to reach a Newtonian fluid viscosity suitable for extraction.... Agent: Cook, Alex, Mcfarron, Manzo, Cummings & Mehler Ltd

20080185146 - Reduced friction pressure gravel pack slurry: The invention adds a friction reducing agent or agents to gravel slurry to decrease pressure required for proper fluid velocities so as to obtain the desired gravel propagation in an annular space around a screen assembly.... Agent: Duane Morris LLP

20080185147 - Wax barrier for use with in situ processes for treating formations: Methods for forming a barrier around at least a portion of a treatment area in a subsurface formation are described herein. A material including wax may be introduced into one or more wellbores. The material introduced into two or more wells may mix in the formation and congeal to form... Agent: Shell Oil Company

20080185148 - Whipstock assembly for forming a window within a wellbore casing: The present invention discloses a whipstock assembly for use in forming a lateral borehole from a parent wellbore. The whipstock assembly comprises a body and a deflection member above the body. The deflection member includes a concave portion for deflecting a milling bit during a milling operation. Disposed on a... Agent: Patterson & Sheridan, L.L.P.

20080185149 - System and method for enhancing permeability of a subterranean zone at a horizontal well bore: A method and system for enhancing permeability of a subterranean zone at a horizontal well bore includes determining a drilling profile for the horizontal well bore. At least one characteristic of the drilling profile is selected to aid in stabilizing the horizontal well bore during drilling. A liner is inserted... Agent: Fish & Richardson P.C.

20080185150 - Apparatus and method for cleaning a well: The present invention relates to apparatus and a method for cleaning a well. In an embodiment, the apparatus (10) includes a well cleaning tool (12) coupled to a support string 26, which may be located in well tubing (14) to permit cleaning of the well tubing (14). The cleaning tool... Agent: Lundeen & Lundeen, PLLC

20080185151 - Hydrocarbon production system and method of use: The purpose of the method of the present invention is to provide an improved method and an improved apparatus, to displace light, medium, or viscous hydrocarbon fluid, which may be contaminated with earthen solids, from the subterranean hydrocarbon reservoir to a hydrocarbon fluid storage tank or other handling facilities on... Agent: Dennis Uttley

20080185152 - Pressure control with compliant guide: A technique for subsea intervention operations enables pressure control to be accomplished at the surface while borehole fluid control is exercised at the seabed. A compliant guide extends between a subsea well installation and a surface location, such as a surface intervention vessel. A buffer fluid is deployed within the... Agent: Schlumberger Reservoir Completions

20080185153 - Subsea intervention with compliant guide: A technique improves the capabilities and performance of subsea intervention operations. An intervention vessel is coupled with a subsea well system via a compliant guide. The structure and arrangement of the compliant guide enables passage of a variety of intervention tools and a variety of conveyance mechanisms to facilitate performance... Agent: Schlumberger Technology Corporation

20080185154 - Sucker rod coupling extractor: A prior art sucker rod tong is improved to remove a coupling completely from a sucker rod assembly comprising sucker rods joined end to end by couplings. The prior art sucker rod tong has a rotatable jaw assembly and a lower backup wrench adapted to cooperate to unscrew a coupling... Agent: Stephen S. Hodgson

20080185155 - Down hole electrical connector for combating rapid decompression: Embodiments of the present invention provide an effective seal and connector that maintain a removable mechanical and electrical connection between any two down hole power cables, despite cable movement and well pressure. The connector preferably includes a fluid seal comprised an encasing material that surrounds and/or adheres to protective tubing... Agent: Fulbright & Jaworski, LLP

20080185156 - Wellhead system and connector for wellheads: A wellhead system, connector, and method of assembling a wellhead system utilizes a connector which includes a set of left-hand threads and a set of right-hand threads.... Agent: Greenberg Traurig (hou) Intellectual Property Department

20080185157 - System and method for a low drag flotation system: A low drag flotation system for placing screens in horizontal wells is provided which includes a screen exterior to the washpipe to be placed for sand control, and hydraulically actuated valves for trapping air within the washpipe. The air in the washpipe creates a buoyancy force that decreases the drag... Agent: Howrey LLP

20080185158 - Swellable packer with enhanced sealing capability: A swellable packer with enhanced sealing capability. A packer assembly includes multiple seal elements, each seal element being swellable downhole, each seal element having at least one face inclined relative to a longitudinal axis of the assembly, and the inclined faces of adjacent seal elements contacting each other. A method... Agent: SmithIPServices, P.C.