Wells inventions 07/07

20070169929 - Apparatus and method for bonding a transmission line to a downhole tool: An apparatus for bonding a transmission line to the central bore of a downhole tool includes a pre-formed interface for bonding a transmission line to the inside diameter of a downhole tool. The pre-formed interface includes a first surface that substantially conforms to the outside contour of a transmission line... Agent: Jeffrey E. Daly Intelliserv, Inc

20070169930 - Method and apparatus for drilling with casing: Methods and apparatus for drilling with a top drive system are provided. In one aspect, the present invention provides for a top drive system having includes a top drive, top drive adapter, and a tubular positioning apparatus. In one another aspect, the system includes a telescopic link system connected to... Agent: Patterson & Sheridan, L.L.P.

20070169931 - Primary leak containment device for well-heads: A leak containment device for a well-head includes a resilient hollow inverted frusto-conical upper section having a narrow end at a lower end of the upper section and an annular collar mounted to the lower end of the upper section so as to extend downwardly therefrom. The upper section and... Agent: Antony C. Edwards

20070169933 - Sensor assembly for determining fluid properties in a subsurface well: A sensor assembly (51) for sensing one or more fluid properties of a fluid in a subsurface well (12) having a well fluid level (42W), a surface region (32) and a riser pipe (30) includes a sensor apparatus (52) and a pump assembly (54) that are positioned within the well... Agent: The Law Office Of Steven G. Roeder

20070169932 - Method of treating a subterranean formation using a rheology model for fluid optimization: Subterranean formation treatment methods incorporating a rheology model which enables prediction of fluid rheology properties during a treatment operation, where the foundation of the model is a description of the reaction chemistry which describes how the number of crosslinks and broken polymer linkages develops in time under the influence of... Agent: Schlumberger Technology Corporation David Cate

20070169934 - Method for stimulating a petroleum well: The addition of one or more stimulants to a petroleum well in order to enhance the production of the well. If the well is suffering from asphaltene or paraffin build tip, the well may be heated either chemically or with steam prior to introduction of the stimulant. Additionally, a solvent... Agent: R. Bennett Ford

20070169935 - Degradable ball sealers and methods for use in well treatment: Described is an oil-degradable ball sealer for use in the oil and gas industry. The ball seal comprises a particular composition including ethylene and one or more alpha-olefins, prepared by an injection molding technique to provide a ball sealer which will dissolve in stimulation or wellbore fluids after stimulation operations... Agent: Calfee Halter & Griswold, LLP

20070169936 - Compositions and methods for treating lost circulation: A cement system for use in treating lost circulation includes a slurry of cement, water and a super-absorbent polymer which absorbs free water in the slurry to form a gel—ore preferably a solid-like structure—when placed in the well, and which releases the absorbed water to the cement hydration reaction as... Agent: Schlumberger Technology Corporation David Cate

20070169937 - Methods of using lost circulation compositions: A method of servicing a wellbore in contact with a subterranean formation, comprising: placing a wellbore servicing fluid comprising a crosslinkable polymer system and a filler into a lost circulation zone within the wellbore. A method of blocking the flow of fluid through a lost circulation zone in a subterranean... Agent: Craig W. Roddy Halliburton Energy Services

20070169938 - Methods of controlled acidization in a wellbore: An improved acidization method is provided in which an aqueous solution comprising one or more esters or polyesters of lactic acid or of glycerol is placed in a well where the esters or polyesters undergo hydrolysis. The hydrolysis of the esters or polyesters occurs at a slower reaction rate than... Agent: Craig W. Roddy Halliburton Energy Services

20070169939 - Wellbore casing and method of forming same: A method of forming a well bore casing for insertion in a well bore, according to which a first casing section is coupled to a second casing section and a seal is provided between the coupled portions of the sections.... Agent: Haynes And Boone, LLP

20070169940 - Tubing hanger and wellhead housing with mating tubing annulus passages: A subsea wellhead assembly has a tubing annulus path that extends partly through the tubing hanger and partly through the wellhead housing. A tubing hanger tubing annulus passage extends through part of the tubing hanger from a lower port on the lower end of the tubing hanger to an upper... Agent: James E. Bradley

20070169941 - System and method for unloading water from gas wells: A system, apparatus and method are useful for lifting water in a gas-producing wellbore through the application of a differential between pressure of the gas in the wellbore's gas-production conduit and pressure of the wellbore annulus. The apparatus comprises a module disposed in the gas-producing wellbore for collecting by condensation... Agent: Chevron Services Company Law, Intellectual Property Group

20070169942 - Flow control device: A choke that is usable with a well includes an inlet port and an outlet port. The choke also includes pressure drop stages between the inlet port and the outlet port. Each of the pressure drop stages is adapted to create part of an overall pressure differential between the inlet... Agent: Schlumberger Reservoir Completions

20070169943 - Method and device for establishing an underground well: A method and a device for establishing an underground borehole (10) and setting a casing (6) in the borehole (10), wherein the running tool (1) including a drilling tool (14), an expandable casing (6), an expansion tool (32) and a packer (30) which is arranged to seal against the wall... Agent: Gable & Gotwals

20070169944 - System for lining a wellbore casing: A system for lining a wellbore casing.... Agent: Haynes And Boone, LLP

20070163774 - Flow control system for use in a well: A technique is provided to control flow in a well. A well completion comprises one or more flow control valve systems coupled by an electric line and a hydraulic line. Each flow control valve system comprises a flow control valve responsive to hydraulic input via the hydraulic line and an... Agent: Schlumberger Reservoir Completions

20070163775 - Injection of treatment materials into a geological formation surrounding a well bore: Methods and systems for creating fractures in a geological formation surrounding a well bore. In one implementation, a treatment material may be disposed at the bottom of the well bore. One or more propellant apparatuses may be immersed in the treatment material and a propellant may then be burned inside... Agent: Schlumberger Reservoir Completions

20070163776 - Device of a test plug: A device is described for a plug (12) for pressure testing of bore holes and the like in a formation or the like, and associated pipe (10) in which the plug is installed in a plug-carrying chamber (14), and the plug (12) seals the passage through the pipe by cooperating... Agent: Francis C Hand Carella Byrne Bain Giffilan Cecchi Stewart & Olste

20070163777 - Self energized packer: A packer or plug features a main sealing element that swells after a delay long enough to get it into proper position. A sleeve eventually goes away to let the well fluids at the main sealing element to start the swelling process until contact with the surrounding tubular or the... Agent: Duane Morris LLP

20070163778 - Casing centralizer coupling: A well casing centralizer coupling is provided. The casing centralizer coupling is constructed to be suitable for coupling well casing for use in drilling with casing operations. The casing centralizer coupling includes a body having a number of centralizing blades arranged radially around an exterior surface of the body for... Agent: Bay Area Patent Group, LLC

20070163779 - Compositions containing a buffer and a peroxide or peracid useful for treating wells: Compositions containing a peroxide or peracid and an organic acid salt buffer are disclosed. The compositions are useful for removing polymers from oil and gas wells, while simultaneously dissolving encountered calcium carbonate deposits.... Agent: Howrey LLP

20070163780 - Method and system for monitoring the incursion of particulate material into a well casing within hydrocarbon bearing formations including gas hydrates: A method and system for monitoring any incursion of particulate matter from a gas hydrate formation into a well casing used for the production of the gas hydrate and determining the degree of incursion of particulate material within the distal end of the well casing.... Agent: Schlumberger K.k.

20070163781 - Multi-zone, single trip well completion system and methods of use: An improved well completion system for completing two or more separate production zones in a well bore during a single downhole trip is disclosed. The improved completion system comprises a completion assembly comprising two or more production zone assemblies and a completion tool assembly. Each production zone assembly may comprise... Agent: Locke Liddell & Sapp LLP Attn:IPDocketing

20070163782 - Dual-bop and common riser system: The disclosure is drawn to methods of drilling wells utilizing blow out prevention components of differing pressure ratings. In the initial drilling phase, a lower pressure rated blow out prevention component is used. In a subsequent drilling phase where a reservoir of a natural resource is penetrated, a higher pressure... Agent: Fulbright & Jaworski L.L.P. Fulbright Tower

20070163783 - Method of abandoning a well: A method of abandoning a well, said well comprising at least two concentric conduits (28,30) defining a main bore and at least one annular chamber (40) there between, comprising the steps of providing a perforation in one or more of the conduits, pumping out the fluiti from the annular chamber... Agent: K.f. Ross P.C.

20070163784 - High pressure rotating drilling head assembly with hydraulically removable packer: The present invention generally provides a reduced downtime maintenance apparatus and method for replacing and/or repairing a subassembly in sealing equipment for oil field use. The invention allows the removal of rotating portions of a rotary drilling head without having to remove non-rotating portions. The reduction in weight and size... Agent: Patterson & Sheridan, L.L.P.

20070163785 - Expandable tubular: An expandable tubular member.... Agent: Haynes And Boone, LLP

20070163786 - 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... Agent: Osha Liang L.L.P.

20070158060 - System for sealing an annular space in a wellbore: A system is disclosed for sealing an annular space between a tubular element (7) extending into a wellbore (1) and a cylindrical wall (1b) surrounding the tubular element, wherein a control line (18) for controlling a downhole device (12, 13, 14, 15) extends in longitudinal direction along the tubular element.... Agent: Shell Oil Company

20070158061 - Interference-seal plunger for an artificial lift system: A plunger for an artificial lift system and embodiment of the plunger includes a solid body adapted to travel within a production string positioned in a wellbore. At least one sealing ring connected about the body. The at least one sealing ring having an inner surface, an outer surface, a... Agent: Henry L Ehrlich

20070158062 - Zone isolation assembly for isolating and testing fluid samples from a subsurface well: A zone isolation assembly (22) for a subsurface well (12) having a surface region (32), a first zone (26) and a second zone (28) includes a docking receiver (48) and a docking apparatus (50). The docking apparatus (50) is selectively moved relative to the docking receiver (48) between a disengaged... Agent: The Law Office Of Steven G. Roeder

20070158063 - Aparatus for spooled tubing operations: A spooled tubing unit is provided which permits simultaneous translation and rotation of continuous tubing to drill or conduct other downhole operations in a borehole in subterranean formations.... Agent: Ted M. Anthony

20070158064 - Method of determining a fluid inflow profile of wellbore: A method of determining a fluid inflow profile along the length of a permeable inflow region of an underground wellbore comprising: transferring heat into or from the permeable inflow region of the wellbore during a well shut period; starting production of hydrocarbon fluids via the permeable inflow region; measuring substantially... Agent: Shell Oil Company

20070158066 - Docking receiver of a zone isolation assembly for a subsurface well: A docking receiver (48) for a subsurface well (12) having a fluid inlet structure (29), a riser pipe (30) and a docking apparatus (50) includes an upper section (372A) and a lower section (374A). The upper section (372A) is secured to the riser pipe (30). The lower section (374A) is... Agent: The Law Office Of Steven G. Roeder

20070158065 - Zone isolation assembly array for isolating a plurality of fluid zones in a subsurface well: A zone isolation assembly array (794) for a well (712) includes a first zone isolation assembly (722A) and a second zone isolation assembly (722B). The first zone isolation assembly (722A) selectively inhibits fluid communication between a first zone (726) and a second zone (728) of the well (712). The second... Agent: The Law Office Of Steven G. Roeder

20070158067 - Scale inhibitors compatible with sandstone acidizing: Methods are given for making scale inhibitors, that were previously incompatible with fluids containing fluoride ion, compatible with fluids containing fluoride ion. Examples of such scale inhibitors include phosphonates and phosphino-polycarboxylates. The method is replacing alkali metal and alkaline earth metal cations, present in salts or bases, or as counter... Agent: Schlumberger Technology Corporation David Cate

20070158068 - Methods of cementing in subterranean formations involving reduced pumping pressure: A method of initiating fluid circulation in a well bore with a casing inner diameter and an annulus is provided. The method includes increasing the casing inner diameter fluid pressure at the top of the well bore; flowing a cement composition into the casing inner diameter at the top of... Agent: Craig W. Roddy Halliburton Energy Services

20070158069 - Method for drilling and casing a wellbore with a pump down cement float: A cement float collar is disclosed that can be positioned downhole and used in a wellbore completion operation after drilling a well-bore with casing. A wellbore drilling and completion method is also disclosed. The cement float collar is made for pumping downhole and into engagement with a groove formed in... Agent: Bennett Jones C/o Ms Roseann Caldwell

20070158070 - Consolidation agents and the use thereof for consolidating molded bodies and geological formations consisting of porous or particulate materials: c

20070158072 - Drilling and opening reservoirs using an oriented fissure to enhance hydrocarbon flow: A system and method for increasing hydrocarbon production from a subsurface reservoir by utilizing an intersection of two well bores and a flexible linear cutting device, such as a segmented diamond wire saw, to form a fissure beginning at the intersection of the well bores and extending along a specified... Agent: Paul B. Overhauser Overhauser Law Offices, LLC

20070158071 - Apparatus and method for selective actuation of downhole tools: The present invention provides systems, methods and devices for selectively firing a gun train formed of a plurality of guns. Conventionally, the guns each include a detonator assembly that detonates upon receiving a firing signal transmitted by a surface source. In one embodiment of the present invention, an operator provided... Agent: Paul S Madan Madan, Mossman & Sriram, PC

20070158073 - Fracking multiple casing exit laterals: A method of fracking multiple laterals sequentially is described. It allows the drilling rig to be moved off site as the laterals are fracked. Thereafter, they can all be produced simultaneously. The laterals begin from a main lateral that is already oriented in the producing zone and preferably exit in... Agent: Duane Morris LLP

20070158074 - Critical velocity reduction in a gas well: Disclosed herein is a system for enhancing the recovery of gas in a perforated interval of a gas well. The system features a tubing string having a dead string attached for reducing the flow area of the annulus in the perforated interval, thereby reducing the critical velocity of the gas,... Agent: Wong, Cabello, Lutsch, Rutherford & Brucculeri, L.L.P.

20070158075 - System and process for pumping multiphase fluids: A system for pumping multiphase fluids includes a phase separator (14), a gas-gas jet pump (30) and a liquid pump (36). The phase separator (14) receives a LP multiphase fluid and separates a LP gas phase and a LP liquid phase from the LP multiphase fluid. The gas-gas jet pump... Agent: Knobbe Martens Olson & Bear LLP

20070158076 - Stand compensator: Methods and apparatus for connecting a tubular to a tubular string are provided. In one embodiment, an apparatus suitable for engaging, compensating, and connecting a tubular includes one or more compensating pistons, an engaging assembly for engaging a tubular, and a connector for connecting the engaging assembly to the one... Agent: Patterson & Sheridan, L.L.P.

20070158077 - System and method for low-pressure well completion: A low-pressure wellhead system with tubular heads and mandrels secured independently using threaded unions. A casing mandrel is secured to a wellhead by a first threaded union. Likewise, a tubing head spool is secured to the casing mandrel using a threaded union. A tubing hanger is also secured to the... Agent: Nelson Mullins Riley & Scarborough, LLP

20070158078 - Dual entry apparatus for a subterranean borehole: A borehole entry apparatus is disclosed. The apparatus includes a dual entry apparatus for use in borehole entry applications, such as slick line and/or wireline (electric wireline) applications. Exemplary embodiments of this invention enable first and second borehole entry apparatuses, such as slick line and wireline tool assemblies, to be... Agent: W-h Energy Services, Inc.

20070158081 - Expandable tubulars: The present invention provides apparatus and methods for completing a wellbore using expandable tubulars. Particularly, the invention relates to a system of completing a wellbore through the expansion of tubulars. More particularly, embodiments of the present invention relate to the concurrent expansion of a first and second tubular, wherein the... Agent: Patterson & Sheridan, L.L.P.

20070158079 - Top feed of control lines to table-elevated spider: A method and apparatus are provided for installing control lines and pipe into a well. The pipe-holding spider that is normally mounted on the rig floor is supported by a table elevated above the rig floor. Supporting the spider on an elevated table provides personnel with access to a portion... Agent: Streets & Steele

20070158080 - Tubular hanger and method of lining a drilled bore: A method of lining a drilled bore comprises running an expandable first tubular into a bore and locating a portion of the first tubular in an unlined section of the bore and another portion of the first tubular overlapping a portion of an existing second tubular. The first tubular is... Agent: William B. Patterson Moser, Patterson & Sheridan, L.L.P.

20070158082 - System and method for cementing through a safety valve: System and method for cementing through a safety valve. A system includes a flow passage, closure mechanism, opening prong repeatedly displaceable to thereby repeatedly operate the closure mechanism open and closed, and a latching device initially maintaining the opening prong positioned isolating the closure mechanism from the flow passage, and... Agent: SmithIPServices, P.C.

20070151721 - Coiled tubing swivel assembly: A coiled tubing swivel assembly is provided that includes a mandrel for attachment to a pump, and a hub rotatably attached to the mandrel and for attachment to an end of a string of coiled tubing. The mandrel and the hub together form a conduit for passage of a pumped... Agent: Schlumberger Technology Corporation David Cate

20070151722 - Deformable release device for use with downhole tools: A deformable release device is disclosed to be used with downhole setting tools. The deformable release device may provide a releasable detachment to any customary setting tool, such as electric line, hydraulic, hydrostatic, and mechanical setting tools, used to set a downhole packer-type device. The deformable release device allows for... Agent: Howrey LLP

20070151723 - Well packing: Annular packer (2) arranged on the outside of a production tubing (4) said packer comprises a core (12) comprising elastic polymer swelling by absorption of hydrocarbons. The core (12) may be surrounded by an external mantle of rubber (10), which is permeable to hydrocarbons and may be equipped with a... Agent: Andrus, Sceales, Starke & Sawall, LLP

20070151724 - System and method for isolating a wellbore region: A technique is provided to isolate regions of a wellbore. The technique utilizes a swellable material packer that comprises a layer of swellable material disposed about a tubular member of a completion. When the layer is exposed to a substance that induces swelling of the swellable material, the layer expands... Agent: Schlumberger Reservoir Completions

20070151725 - Expanding a tubular member: A tubular member is expanded by pressurizing an interior region within the tubular member.... Agent: Haynes And Boone, LLP

20070151726 - Methods and compositions for diverting acid fluids in wellbores: Viscoelastic surfactant (VES) gelled aqueous fluids containing a VES, an internal breaker, and optionally a viscosity enhancer are useful as diverting fluid for directing placement of an acid into a subterranean formation, where the acid is injected subsequent to introducing the VES gelled fluid. These VES-based diverting fluids have faster... Agent: Katrina Manko

20070151727 - Downhole fluid communication apparatus and method: A probe for establishing fluid communication between a downhole tool and a subterranean formation is provided. The downhole tool is positioned in a wellbore penetrating the subterranean formation. The probe includes a platform operatively connected to the downhole tool, at least one packer operatively connected to the platform, the packer... Agent: Schlumberger Oilfield Services

20070151728 - Method to detect low salinity injection water encroachment into oil formations: This invention relates to the field of water flood monitoring in low saline water environment in a subterranean formation. In particular, the method of the invention relates to detecting the encroachment of low salinity water into oil formations. This invention provides the means to gain valuable information about water movement... Agent: Bracewell & Giuliani LLP

20070151729 - Methods of stimulating liquid-sensitive subterranean formations: A method comprising: providing a stimulation fluid that comprises a stimulating gas and a consolidating agent; and injecting the stimulation fluid into a portion of a liquid-sensitive formation at a pressure sufficient to create or enhance a pathway therein. Suitable consolidating agents include aqueous tackifying agents, curable compositions, and noncurable... Agent: Halliburton Energy Services, Inc.

20070151730 - Cement compositions comprising particulate carboxylated elastomers and associated methods: Methods of cementing comprising: providing a cement composition comprising water, a cement, and a particulate elastomer comprising a carboxy group; and allowing the cement composition to set. Cement compositions comprising water, a cement, and a particulate elastomer comprising a carboxy group.... Agent: John W. Wustenberg

20070151731 - Localized fracturing system and method: A method and apparatus useful for fracturing subterranean formations with ultra high fluid pressure. The apparatus is capable of producing isolated pressure in a formation surrounding a primary wellbore, sufficient pressure is included within the formation for creating a fracture at the edge of the perforation. The apparatus is comprised... Agent: Gilbreth Roebuck Bynum Derrington Schmidt Walker & Tran LLP

20070151732 - Downhole impact generator and method for use of same: A downhole impact generator (60) is adapted to be moved to a target location within a wellbore (68) for transmitting a jarring force to a well tool (72) positioned in the wellbore (68). The downhole impact generator (60) includes a downhole power unit (62) having a moveable shaft (66) and... Agent: Lawrence R. Youst Danamraj & Youst, P.C.

20070151733 - Production of natural gas from hydrates: Methods and apparatus for producing methane gas from a hydrate formation. A column of modified material substantially filling a wellbore extending into the hydrate formation. The column of modified material is permeable to gases. A heat source extends into the column of modified material and is operable to provide heat... Agent: Kurt S. Myers

20070151734 - Method and apparatus for wellbore fluid treatment: A tubing string assembly is disclosed for fluid treatment of a wellbore. The tubing string can be used for staged wellbore fluid treatment where a selected segment of the wellbore is treated, while other segments are sealed off. The tubing string can also be used where a ported tubing string... Agent: Bennett Jones C/o Ms Roseann Caldwell

20070151735 - Concentric coiled tubing annular fracturing string: An improved concentric coiled tubing annular fracturing string is disclosed having at least two fluid flow paths. An umbilical tube located inside of a coiled tubing string may provide one of the pathways, which may be used to isolate downhole elements, such as a packer, from harmful fluids. The annulus... Agent: Howrey LLP

20070151736 - Well tool protection system and method: The system including a well tool having a housing forming a protection fluid chamber in fluid communication with a discharge port, a protection fluid disposed within the protection fluid chamber, and a moveable mechanism in functional connection with the protection fluid chamber in a manner to expel a portion of... Agent: Schlumberger Reservoir Completions

20070151737 - Flushing device: A flushing device (20) comprising an inner sleeve (21), axially slidable relative to an outer sleeve (23). The inner (21) and outer (23) sleeves cooperate to define an inner passage (32) for the flow of a fluid, and are permanently coupled such that there is substantially no rotational movement between... Agent: Harness, Dickey & Pierce, P.L.C

20070151738 - Slidable sleeve plunger: An improved plunger lift mechanism comprises an internal hollow body having bypass orifices that, when exposed, allow fluid to pass through during plunger descent in a downhole tube to the bottom of a production well. A slidable sleeve slides along the hollow body to close the orifices, causing the plunger... Agent: A Law Firm, P.C.

20070151739 - Connector for use in a wellbore: A method and apparatus for connecting a component to a rod for use in downhole operations. Wherein the method and apparatus is design to reduce stress and the risk of failures in the connection during downhole operations. The method and apparatus having a connector assembly that is designed with only... Agent: Patterson & Sheridan, L.L.P.