Wells inventions 04/06

20060086497 - Wireless communications associated with a wellbore: A subsea communication system includes devices in a wellbore and devices on a floor, where the devices in the wellbore and on the floor are able to communicate wirelessly with each other, such as through a formation....

20060086498 - Harvesting vibration for downhole power generation: A system that is usable with a subterranean well includes a winding, a member and a circuit. The winding is located downhole in the well, and the member moves relative to the winding in response to vibration occurring in the well to cause a signal to be generated on the...

20060086499 - Methods and systems for reverse-circulation cementing in subterranean formations: Methods and systems for reverse-circulation cementing in subterranean formations are provided. An example of a method is a method of cementing casing in a subterranean well bore, comprising inserting a casing into the well bore, the casing comprising a casing shoe; equipping the casing with a well head, and a...

20060086500 - Fuel cell system with a hydrous fluid flow: A fuel cell system has a fuel cell having a cathode and an anode and formed so that a hydrous fluid flows out of at least one of the cathode and the anode of the fuel cell unit, and a conditioning unit provided for conditioning the hydrous fluid flow; and...

20060086501 - Methods of using a swelling agent in a wellbore: In an embodiment, a sealant composition comprising a swelling agent is displaced into a wellbore penetrating a subterranean formation to maintain isolation of the formation. The sealant composition may be displaced into a permeable zone through which fluid can undesirably migrate. In another embodiment, the sealant composition comprising the swelling...

20060086502 - Casing strings and methods of using such strings in subterranean cementing operations: Improved casing strings, and methods of using improved casing strings in subterranean operations, are provided. An example of a method is a method of cementing a pipe string in a subterranean formation. Another example of a method is a method of cementing a pipe string in a well bore. An...

20060086503 - Casing strings and methods of using such strings in subterranean cementing operations: Improved casing strings, and methods of using improved casing strings in subterranean cementing operations, are provided. An example of an apparatus is a pipe string comprising at least one pipe section and a delivery system of an activator. Another example of an apparatus is a pipe string comprising at least...

20060086504 - Method and system for increasing well rate using well-capital-string perforation: The method of wells production rate increase which includes lowering the hydroperforator equipped with hydromonitor nozzles into the well on the pipe string; pumping liquid with abrasive material under pressure into the pipe string and hydroperforator; impacting the well elements and the stratum with the liquid with abrasive material via...

20060086505 - Combination jar and disconnect tool: A combination jarring tool and disconnect device is disclosed in which the jarring events may be followed by separate disconnect event, or in which the jarring events may coincide with disconnect events. The tool generally comprises a housing and a sleeve in concentric arrangement and a disconnect interface. A plurality...

20060086506 - Downhole cooling system: Apparatus and methods for operating an electronics assembly of a downhole tool. A method comprises disposing a temperature-sensitive electronic component within an insulated chamber contained within a downhole tool. The temperature of the temperature-sensitive electronic component is monitored and a temperature control system is selectively activated to regulate the temperature...

20060086507 - Wellbore cleanout tool and method: The present invention is directed to a method and apparatus for cleaning a wellbore. The method is designed to remove debris particles from the wellbore by suspending the debris within the wellbore and then forming an approximately helical flow stream in the wellbore to remove the particles. One apparatus includes...

20060086508 - Placing fiber optic sensor line: The present invention generally relates to a method and an apparatus for placing fiber optic control line in a wellbore. In one aspect, a method for placing a line in a wellbore is provided. The method includes providing a tubular in the wellbore, the tubular having a first conduit operatively...

20060086509 - Redundant hydraulic system for safety valve: The present invention has been contemplated to meet the above described needs. In a broad aspect, the invention may include a subsurface safety valve for controlling a fluid flow through a well conduit comprising a housing having a bore and disposed within an annulus defined by the space between the...

20060081368 - Tubing injector for variable diameter tubing: A tubing injector apparatus for use with variable diameter tubing. The apparatus comprises a pair of carriages which may be moved transversely and pivotally with respect to one another by actuating hydraulic actuator cylinders. A hydraulic control system uses relief valves to maintain a substantially constant pressure in the actuator...

20060081369 - Divinyl sulfone crosslinking agents and methods of use in subterranean applications: This invention relates to divinyl sulfone crosslinking agents, viscosified treatment fluids, and methods of using these compositions in applications wherein viscosified treatment fluids may be used. In one embodiment, this invention provides a method of treating a portion of a subterranean formation comprising: providing a viscosified treatment fluid that comprises...

20060081370 - Self diverting matrix acid: A method is described for treating a subterranean formation with a low viscosity fluid system that contains a viscoelastic surfactant at a concentration too low to viscosify the fluid, but that is concentrated in the formation so that the fluid system gels. The fluid optionally contains a formation-dissolving agent. The...

20060081371 - Sintered spherical pellets: Sintered, spherical composite pellets or particles comprising alumina fines, at least one of clay and bauxite and optionally a sintering aid, are described, along with a process for their manufacture. The use of such pellets in hydraulic fracturing of subterranean formations and in grinding is also described....

20060081372 - Treatment fluids comprising vitrified shale and methods of using such fluids in subterranean formations: Methods and compositions for the treatment of subterranean formations, and more specifically, treatment fluids containing vitrified shale and methods of using these treatment fluids in subterranean formations, are provided. An example of a method is a method of displacing a fluid in a well bore. Another example of a method...

20060081373 - Cement compositions comprising aromatic sulfonated polymers and methods of using the same: A method of servicing a wellbore that penetrates a subterranean formation includes displacing a cement composition comprising an aromatic sulfonated polymer into the wellbore and allowing the cement composition to set. In an embodiment, a transition time of the cement composition is less than or equal to about 60 minutes,...

20060081374 - Process for downhole heating: Neutral electrolytes, relatively neutral electrolytes, metal oxides, metal hydroxides and/or organic exothermic hydration chemicals may be hydrated with water at a controlled location in a subterranean formation to generate sufficient exothermic heat to at least soften and possibly melt and flow bitumen at or near the location. This controlled and...

20060081375 - Casing brush tool: A casing brush tool for cleaning interior walls of a well bore casing. The brush tool has a free rotating sleeve mounted on a mandrel with bearings mounted between the sleeve and the mandrel to facilitate rotation. The sleeve carries a plurality of non-axial rows of bristles that are arranged...

20060081376 - Hydraulic friction fluid heater and method of using same: A method and apparatus for heating a portion of a subsea structure is provided. The method includes pumping a fluid through a length of tubing such that the temperature of the fluid increases. The temperature increase of the fluid is created by friction in the tubing, and may be also...

20060081377 - Motor cooler for submersible pump: A motor cooler for an electrical submersible pump (ESP). The ESP is typically deployed within casing and defines an annular space between the ESP and the casing. The ESP includes a pump having an intake, a motor cooler pump having an output port, a seal section below the motor cooler...

20060081378 - Gas operated pump for hydrocarbon wells: Apparatus and methods for improving production from a wellbore are provided. In one embodiment, a downhole pump for use in a wellbore includes a chamber for accumulating formation fluids and a valve assembly for filling and venting gas to and from the chamber. In another embodiment, a gas operated pump...

20060081379 - Pivoting pipe handler for off-line make up of drill pipe joints: An apparatus and method for use in the off-line make-up of drill pipe stands on drilling rigs used in the exploration and production of oil and gas reserves are disclosed. The disclosed invention is a pipe handling system in which a section of the V-door ramp attached to a drilling...

20060081380 - Collar locator for slick pump: A method and apparatus for actuating a downhole tool at a desired location. A reciprocating hydraulic slickline pump with a locator is provided. The pump comprises a pump member. The pump member is reciprocated axially by slickline in order to form an upstroke and downstroke. The pump is configured such...

20060076130 - Tubing annulus plug valve: A tubing hanger lands in a tubular outer wellhead member and supports a string of production tubing. The tubing hanger has a production passage for communicating with the interior of the production tubing and an annulus passage for communicating with a tubing annulus on the exterior of the production tubing....

20060076131 - Well cleaning method and apparatus using detonating cord having additional reliability and a longer shelf life: A Well Cleaning Method and Apparatus using detonating cord having Additional Reliability and a Longer Shelf Life is disclosed. The method and apparatus employs one or more subassembly, each subassembly having a combustible material, means for igniting the combustible material, and one or more high-strength sleeves attached around portions of...

20060076132 - Apparatus and method for formation evaluation: A probe assembly samples fluid from a wellbore penetrating a subsurface formation having a virgin fluid therein beyond a layer of contaminated fluid surrounding the wellbore. The probe assembly includes a probe body extendable from a downhole tool, and a packer carried by the probe body and having a distal...

20060076133 - One trip liner conveyed gravel packing and cementing system: A well completion assembly including apparatus for gravel packing and cementing in a single trip. An outer assembly comprises: a liner and screen; a valved gravel packing port; upper and lower valved cementing ports; and seal bores positioned below and above the gravel packing port and above and below the...

20060076134 - Well stimulation: Methods of conducting matrix acidizing in a well in a formation by simultaneously or alternatingly injecting an acid and a diverter into the formation through tubing. The acid is injected into the formation through a first tubing and the diverter is injected into the formation through a second tubing. The...

20060076135 - Apparatus and method for reverse circulation cementing a casing in an open-hole wellbore: A system for cementing a casing in an open wellbore having no surface casing, wherein an annulus is defined between the casing and the wellbore, the system having: an annular plug around the casing at the mouth of the wellbore; a cement composition pump fluidly connected to the annulus through...

20060076136 - Fluid communication nipple: A fluid communication nipple including a tubular mandrel having an interior surface defining an internal bore and a passageway extending substantially lengthwise along a portion of the mandrel. The passageway is defined by an exterior wall section and an interior wall section, wherein the interior wall section extends outward from...

20060076137 - Perforation alignment tool for jet drilling, perforating and cleaning: Method and apparatus are provided for pumping operations that may be used to form perforations in the casing of a well, clean perforations and drill drain holes through perforations. A plunger is placed in a reference perforation and the pumping operations may be performed through a nozzle at a known...

20060076138 - Method and composition for enhancing coverage and displacement of treatment fluids into subterranean formations: A method of injecting a treatment fluid into a portion of a subterranean formation, comprising providing a treatment fluid having a viscosity; determining the breakdown pressure of the portion of the subterranean formation; calculating the maximum sustainable flow rate for the treatment fluid; and, injecting the treatment fluid into the...

20060076139 - Apparatus and method for increasing well production using surfactant injection: An apparatus and method for injecting surfactant into a well for coal bed methane (CBM) recovery, tight sand gas extraction, and other gas extraction techniques provides for the mixing of surfactant and water near the downhole end of the well, maximizing water removal for gas recovery. The apparatus may include...

20060076140 - Gas lift apparatus and method for producing a well: A gas lift system is provided for use in unloading a fluid from a perforation interval of a subterranean well to facilitate producing gas from a gas-bearing formation. The system may include a packer having dual ports, a tubing string running from the surface to the packer for producing the...

20060076141 - Universal connection interface for subsea completion systems: A subsea completion system includes a first component which comprises a first connection interface, a second component which comprises a second connection interface, and a third component which comprises a third connection interface that is complimentary to both the first and second connection interfaces. Consequently, the third component is operatively...

20060076142 - Device for actuating a reciprocating recovery means for underground fluid: A device for actuating a reciprocating recovery means for recovery of underground fluid. Said actuating device has a centrally aligned input component, that transversely receives an output component through a central aperture, and is engaged with some driving mechanism. Torque is increased about the central output component as a series...

20060076143 - Oil anchor: This invention relates to apparatus and methods used in the production of petroleum. The apparatus and methods maintain an amount of oil on oil well casing perforations for improved petroleum production. The apparatus for the production of petroleum includes: a pump intake tube having an opening, an oil anchor generally...

20060076144 - Method and apparatus for storing energy and multiplying force to pressurize a downhole fluid sample: A method and apparatus store energy in an energy storage medium located in an energy storage chamber. As a sampling tool descends into the borehole, the energy storage medium is pressurized with hydrostatic pressure. A sample is collected in a sample chamber by pumping formation fluid into the sample chamber...

20060076145 - Gas lift using a gas/oil mixer: A method of producing hydrocarbon includes introducing the hydrocarbons into a tubular for transport to a surface and introducing a gas into the tubular, wherein the gas is introduced as miniature bubbles for mixing with the hydrocarbon. The method also includes mixing the bubbles with the hydrocarbons, thereby reducing a...

20060076146 - Generating downhole power: A system that is usable with a subterranean well includes a first tubular member that is adapted to receive a flow of a first fluid. The system includes a second tubular member that is located in the flow and is substantially flexible to be moved by the flow to establish...

20060076147 - Methods and apparatus for manufacturing of expandable tubular: A method for manufacturing the expandable tubular comprises forming a plurality of corrugated portions on the expandable tubular and separating adjacent corrugated portions by an uncorrugated portion. Thereafter, the expandable tubular is reformed to an uniform outer diameter. The expandable tubular may be used to complete a wellbore....

20060076148 - Well string injection system and method: A continuous feed injection unit used for example for injection and removal of continuous well string from wells operates in a dual speed configuration. The unit comprises a first hydraulic motor, a second hydraulic motor, cooperating continuous well string gripping chains connected to be driven by the first and second...

20060076149 - Downhole safety valve assembly having sensing capabilities: An apparatus that is usable with a subterranean well includes a safety valve assembly and a pressure/temperature sensor. The safety valve assembly is controllable to selectively isolate a formation of a well from the surface of the well. The pressure/temperature sensor is located in the safety valve assembly to measure...

20060076150 - Inflow control device with passive shut-off feature: Devices and methods for control flow of formation fluids respect to one or more selected parameter relating to the wellbore fluid. In one embodiment, a flow control device for controlling fluid flow into the production tubular uses a flow restriction member that is actuated by a character change of the...

20060070730 - Device for cutting of slot-like key seats in wells by a hydroabrasive method: The invention relates to the field of mining, namely, to the oil and gas extraction, hydrogeologic, engineering and the geologic and water supply industry and provides an apparatus for the cutting of slot-like key seats in the well bore zone of productive strata by means of hydraulic abrasion....

20060070731 - Stabilizer for a rod, particularly a string of drilling rods: Stabilizer (1) designed to be slid onto a rod (2), particularly a string of drilling rods. It comprises at least one elastic part (4) that can deform when the stabilizer (1) is held in an initial position in compression against a shoulder (5) of the rod (2), this elastic part...

20060070732 - Process and device for the thermal stimulation of gas hydrate formations: A method for the thermal stimulation of a geological gas hydrate formation (10) is described in which thermal energy is supplied to the gas hydrate formation (10) so that gas hydrates in the gas hydrate formation (10) are converted and gaseous components are released and the supplied thermal energy is...

20060070733 - System, method, and apparatus for survey tool having roller knuckle joints for use in highly deviated horizontal wells: A highly flexible, wireline survey tool has roller knuckle joints that enable the survey tool string to penetrate and survey horizontal wells having inclinations of about 80° and more from vertical. The survey tool string includes a nose, roller stems, roller knuckle joints, and a highly accurate electronic gauge embedded...

20060070734 - System and method for determining forces on a load-bearing tool in a wellbore: A system and method for sensing forces on a load-bearing tool located in a wellbore, according to which forces acting on the tool are sensed, and other conditions in the wellbore are measured. The forces on the tool caused by the measured conditions are subtracted from the sensed forces to...

20060070735 - Apparatus and method for well completion: A flow back process usable on a well during a drilling operation includes the steps of flowing the commingled well fluids and solids into a surface-mounted flow back system under wellbore pressure. Alternatively, a flow back process includes the steps of connecting a surface-mounted flow back system to the well...

20060070736 - Solids-stabilized oil-in-water emulsion and a method for preparing same: A solids-stabilized oil-in-water emulsion and a method for preparing the solids-stabilized oil-in-water emulsion. The oil-in-water emulsion is formed by combining oil, water, solid particles and a pH enhancing agent and mixing until the solid-stabilized oil-in-water emulsion is formed. The low viscosity oil-in-water emulsion can be used to enhance production of...

20060070737 - Method of increasing the well rate of exploitation and recharge wells: The invention includes a method of increasing of the well rate of exploitation and recharge wells, comprising a means of decreasing the stress state in the well area by constructing of slot-like discharge key seats, wherein the slot-like key seats have a screw-like shape, wherein preliminary internal rock friction angles...

20060070738 - Perforating gun quick connection system: A connection system to be used in conjunction with a perforating gun comprising a top sub formed to receive one end of a gun body of a perforating gun, a circumferential groove disposed on the outer surface of the gun body, and a collet secured to the top sub. The...

20060070739 - Propellant fracturing of wells: Various propellant assemblies are disclosed herein for use in fracturing formations in well operations....

20060070740 - System and method for fracturing a hydrocarbon producing formation: A system and method for fracturing a hydrocarbon producing formation in which a fracturing tool is inserted in a wellbore adjacent the formation, and fracturing fluid is introduced into the annulus between the fracturing tool and the wellbore and flows to the formation....

20060070741 - Riser connector: A riser connector connects the upper portion of a riser (12) having a latching enlargement (32) to a receptacle (14) on a vessel (16), so the riser upper end (22) can connect to a fluid coupling (42) leading to a conduit (40) on the vessel. A double-click mechanism (88), with...

20060070742 - Expansion pig: A tool for radially expanding casing having a tool body that includes a proximal end, a distal end, and an outer surface. The tool includes at least one hydraulic channel disposed axially. The at least one hydraulic channel transmits hydraulic pressure from behind the expansion tool forward in the direction...

20060070743 - Surface instrumentation configuration for drilling rig operation: One embodiment includes an apparatus comprising a surface slip to support drill tubing and having a communications instrument....

20060070744 - Pressure actuated tubing safety valve: The present invention generally provides a downhole valve for selectively sealing a bore. The downhole valve generally includes a closing member for seating in and closing the bore, and a pressure-actuated, retention member having first and second opposed piston surfaces for initially holding the valve in an open position but,...