Wells inventions 04/07

20070089875 - High pressure d-tube with enhanced through tube access: A high pressure D-tube with enhanced through tube access for use in a well system. The well system includes the tube having an interior and a generally D-shaped exterior surface. An inner support structure spans the interior of the tube. The exterior surface may be formed on a single piece... Agent: SmithIPServices, P.C.

20070089876 - Downhole fluid disposal apparatus and methods: A seal cartridge and barrel manifold seal are provided for use in a subterranean well and in a method to inject fluid, that is initially produced into the well from a subterranean formation or zone, into another subterranean formation or zone. The seal cartridge has two distinct annular seals positioned... Agent: John R. Casperson

20070089877 - Expandable packer: Improved expandable packer is disclosed. The integral bodied composite packer is constructed entirely of a composite material. It can include an expandable middle portion with an elastomeric cover to engage an exterior surface of a well bore. The expandable portion can include continuous strands of polymeric fibers to reinforce the... Agent: Schlumberger Ipc Attn: Tim Curington

20070089878 - Method for determining block properties of a service rig by evaluating rig data: An operator of a well service rig can retrieve and monitor a display of data on the position of a block during rod and tubing insertion and removal. The operator inputs into the system a minimum and maximum height range that he wants the block to operate within. Data is... Agent: King & Spalding, LLP

20070089879 - 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.

20070089880 - Methods of using cement compositions comprising high alumina cement and cement kiln dust: The present invention provides cement compositions that comprise water, high alumina cement, a soluble phosphate, and cement kiln dust. The cement compositions optionally may be foamed with a gas. Methods of cementing also are provided that comprise: providing the cement composition; introducing the cement composition into a location to be... Agent: Craig W. Roddy Halliburton Energy Services

20070089881 - Methods of fracturing formations using quaternary amine salts as viscosifiers: Disclosed are methods of treating subterranean formations, particularly, treatment methods including preparation of an aqueous treatment fluid composition composed of a carboxy modified polymer, a crosslinking agent, and a viscosifying quaternary amine salt, and subsequently introducing the composition into a the formation to treat. The treatment method is particularly useful... Agent: Schlumberger Technology Corporation

20070089882 - Compensation system for a jacking frame: An offshore oil well platform assembly is provided that includes a jacking frame, which supports a coiled tubing injector, which in turn is connected to a wellhead during a coiled tubing operation; and a compensation system. The compensation system includes a force measurement system which measures forces applied to the... Agent: Schlumberger Technology Corporation

20070089883 - Jacking frame having a wellhead centralizer: A jacking frame for an oil well offshore platform is provided that includes a support structure; a coiled tubing injector supported by the support structure and having a longitudinal axis; and a centralizer attached to the support structure, which moves a wellhead of the platform into alignment with the longitudinal... Agent: Schlumberger Technology Corporation

20070089884 - Tension lift frame used as a jacking frame: An offshore oil well drilling assembly is provided that includes an offshore platform; and a tension lift frame, which supports a coiled tubing injector and a blow out preventer connected thereto and for further connection to a wellhead, wherein the tension lift frame is a free standing assembly that is... Agent: Schlumberger Technology Corporation

20070089885 - Bottom hole completion system for an intermittent plunger: A bottom hole assembly for an intermittent lift plunger system includes a retrievable downhole anchor which may be set and reset in one downhole trip, a retrievable packing device, and a plunger stop.... Agent: Edward Yoo C/o Bennett Jones

20070089886 - Expandable sleeve: An expandable sleeve for use in a well, comprises a tubular structure including an external sealing layer comprising a compliant material; an intermediate expandable tubular body made from a plastically deformable material; and an internal spring structure such as a helically wound spring; wherein the external sealing layer is disposed... Agent: Schlumberger Oilfield Services

20070089887 - Metal-to-metal non-elastomeric seal stack: An improved seal assembly for use in sliding sleeve valves. The seal assembly incorporates a number of annular, chevron-shaped seal elements that are in a stacked configuration and preferably formed of a thermoplastic material to provide a fluid seal between the outer housing and the inner sleeve member of the... Agent: Shawn Hunter

20070084598 - 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.

20070084599 - Rotary expansion: An expansion member for a rotary expansion tool comprises a spindle adapted to be supported at both ends, and a roller mounted concentrically on the spindle. A sealed lubrication system is contained within the spindle for supplying lubricant to a bearing or bearing surface at an interface between the spindle... Agent: William B. Patterson Patterson & Sheridan, L.L.P.

20070084601 - Gravel packing a well: A technique that is usable with a subterranean well includes communicating a slurry through a shunt flow path and operating a control device to isolate slurry from being communicated to an ancillary flow path. The system may include a shunt tube and a diverter. The shunt tube is adapted to... Agent: Schlumberger Reservoir Completions

20070084600 - Heavy wax stimulation diverting agent: A method and composition for isolating a selected subterranean formation in a subterranean formation having a gravel pack over a plurality of producing zones.... Agent: Conocophillips Company - I.p. Legal

20070084602 - Proppant for hydraulic fracturing of oil and gas wells and process for decreasing or eliminating \"flow-back\" effect in oil and gas wells: The present invention relates to a proppant for the hydraulic fracturing of oil or gas wells, which consists of a mixture of from 10 to 95% by weight of a spherical proppant and from 5 to 90% by weight of an angular material, the percentages being based on the total... Agent: Alston & Bird LLP

20070084603 - Well cementing apparatus and method: A cementing apparatus for use in cementing operations using concentric tubing or drill string such as concentric drill pipe, concentric coiled tubing, and the like is provided having an isolation cementing tool and a cementing flow control means. Concentric tubing or drill string adapted for use in cementing a well... Agent: Bennett Jones C/o Ms Roseann Caldwell

20070084604 - System and method for performing multiple downhole operations: A device for perforating and fracturing a formation in a single trip includes shaped charges and a volume of a gas generator. When activated by detonation of the shaped charges, the gas generator forms a high-pressure gas, which includes steam, that expands to stress and fracture the formation. Suitable gas... Agent: Paul S Madan Madan, Mossman & Sriram, PC

20070084605 - 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

20070084606 - Rig assist compensation system: An improved rig assist compensation system is provided, comprising a motion compensation unit operatively connected to a semi-submersible rig platform having a blow-out prevention (BOP) stack; a hydraulic workover (HWO) jack rotatably affixed above the BOP stack, wherein the HWO hack includes a through-rotary portion, and a stationary portion; and... Agent: Warner J Delaune Jr Adams And Reese LLP

20070084607 - Shear activated safety valve system: A safety valve system includes a safety valve having an actuator and a line connected to the actuator. The safety valve is operable by opening the line in the well, with the line being free of any connection to a surface control system. Another safety valve system includes multiple safety... Agent: SmithIPServices, P.C.

20070084608 - Screen and method having a partial screen wrap: The present invention provides a screen for a well that utilizes a partial screen wrapping used to advantage with side conduits (e.g., alternate flowpaths), control lines, intelligent completions devices, and the like. It is emphasized that this abstract is provided to comply with the rules requiring an abstract that will... Agent: Schlumberger Reservoir Completions

20070079960 - Well treatment system and method: A well treatment system of the present invention includes a housing forming a sealed surge chamber, and a surge charge disposed within the sealed surge chamber, wherein the surge charge is adapted upon activation to penetrate the housing and to not penetrate material exterior of the housing. Fluid communication is... Agent: Schlumberger Reservoir Completions

20070079961 - Proppant suspension testing devices and methods of use: An apparatus for testing a rheological property of a fluid with a particulate includes: (a) a receptacle having a cylindrical side wall enclosed by a bottom wall defining a cavity for receiving a fluid to be tested; (b) an axial support adapted to be positioned in the cavity of the... Agent: Robert A. Kent Halliburton Energy Services, Inc.

20070079962 - Formation evaluation system and method: Methods and apparatuses for evaluating a fluid from a subterranean formation of a wellsite via a downhole tool positionable in a wellbore penetrating a subterranean formation are provided. The apparatus relates to a downhole tool having a probe with at least two intakes for receiving fluid from the subterranean formation.... Agent: Schlumberger Oilfield Services

20070079963 - Process for foaming a wet hydrocarbon composition: A composition of a wet hydrocarbon foaming agent including a siloxane can foam wet hydrocarbons. The siloxane wet hydrocarbon foaming agent advantageously foams hydrocarbons that have as little as 5 percent water present and those hydrocarbons having as much as 90 percent water present. The wet hydrocarbon foaming agent can... Agent: Madan, Mossman & Sriram, P.C.

20070079964 - Method and composition for enhanced hydrocarbons recovery: A method of treating a hydrocarbon containing formation is described. The method may include providing a hydrocarbon recovery composition to the hydrocarbon containing formation. Hydrocarbons in the hydrocarbon containing formation may interact with the hydrocarbon recovery composition. The hydrocarbon recovery composition may include an aliphatic anionic surfactant and an aliphatic... Agent: Shell Oil Company

20070079965 - Methods for enhancing aqueous fluid recovery form subterranean formations: Methods of improving load recovery using hydrophobic coatings to enhance the recovery of treatment fluids from subterranean formations may include the use of hydrophobic coating agents. In particular, such methods may include the steps of coating a plurality of particulates so as to form a plurality of hydrophobically-coated particulates. The... Agent: Robert A. Kent Halliburton Energy Services, Inc.

20070079966 - Perforation gun with integral debris trap apparatus and method of use: The improved perforation gun of the present invention includes an outer gun barrel, which is used in conjunction with an inner movable charge carrier or an inner movable sleeve to trap virtually all of the debris created by the firing of the perforation gun. This elimination of debris reduces costly... Agent: Carstens & Cahoon, LLP

20070079967 - Method of reducing sand production from a wellbore: A method is provided for the reduction of inflow of rock particles from an earth formation into a wellbore for the production of hydrocarbon fluid. The method comprises creating a zone of reduced compressive stiffness around the wellbore by removing rock material from the wall of the wellbore.... Agent: Shell Oil Company

20070079968 - Hydraulic control and actuation system for downhole tools: A hydraulic control and actuation system for downhole tools. In a described embodiment, a hydraulic control and actuation system includes an internal chamber serving as a low pressure region and a well annulus serving as an energy source. A valve assembly provides selective fluid communication between alternating opposite sides of... Agent: SmithIPServices, P.C.

20070079969 - Segmented steel tube bundle termination assembly: A termination and anchorage for steel helical segmented steel tubing bundles includes a set of multiple separable anchor blocks to which the individual tubes in the bundle can be attached and a clamp assembly for securing and supporting the set of anchor blocks. Multiple comating annular arcuate outer anchor blocks... Agent: Elizabeth R. Hall

20070079970 - Retrievable downhole pumping system: A pumping system 10 is provided for pumping fluid from a downhole well to the surface through a production tubing string well. A rotatable drive rod 18 extends from the surface to power the downhole pump, and includes a plurality of rod couplings. The downhole pump includes a pump stator... Agent: Loren G. Helmreich Browning Bushman P.C.

20070074867 - Jar device: A jar for use in a downhole environment comprises a mandrel, a spline body, and a tool body, where the spline body provides a slideable engagement with the mandrel and anvil surfaces for absorbing the impact of the mandrel when the jar is fired, thereby providing a jar with no... Agent: R. Perry Mcconnell, P.C.

20070074868 - Wear resistant tubular connection: A wear resistant casing connection including a wear resistant portion on its exterior surface is taught. A casing connection having a controlled bend angle is also taught.... Agent: Bennett Jones C/o Ms Roseann Caldwell

20070074869 - In-situ solidification of invert emulsion fluids to form gas tight annular barrier: A method for sealing a subterranean zone is disclosed. The method includes the steps of preparing a wellbore fluid, placing the wellbore fluid into at least a portion of an annular space between the sidewalls of a wellbore and the exterior of a casing string disposed in the wellbore, and... Agent: Osha Liang/mi

20070074870 - Dual-type plug for wellhead: The invention concerns a dual-type plug to be used in a wellhead. The plug has a separate retrievable inner plug (50). Retrieving only the inner plug allows the use of lighter workover equipment than if the whole plug (10) must be pulled.... Agent: Henry C Query Jr

20070074872 - Apparatus, pumping system incorporating same, and methods of protecting pump components: Apparatus and pumping systems including the apparatus are described, the apparatus including a protector body comprising a material allowing expansion and contraction of an internal fluid, the body serving as a barrier between fluids external of the body and the internal fluid. The body has first and second ends, at... Agent: Schlumberger Reservoir Completions

20070074871 - Non-tubing deployed well artificial lift system: A progressing cavity pump (PCP) system that may be deployed in an existing well configuration without the need for a workover rig. A stator and tubing stop are first set in a conduit, such as production tubing, at a desired depth. In subsequent wireline runs, a pack-off and upper tubing... Agent: Fellers Snider Blankenship Bailey & Tippens

20070074873 - Wellbore tool with disintegratable components: The present invention generally provides a pressure isolation plug for managing a wellbore with multiple zones. The pressure isolation plug generally includes a body with a bore extending therethrough, a first disintegratable ball sized and positioned to restrict upward fluid flow through the bore, wherein the disintegratable ball disintegrates when... Agent: Patterson & Sheridan, L.L.P.

20070074876 - Apparatus for facilitating the connection of tubulars using a top drive: A method and apparatus for facilitating the connection of tubulars using a top drive which, in one aspect, the apparatus includes a body connectable to said top drive. The body includes at least one gripping element radially displaceable by hydraulic or pneumatic fluid to drivingly engage a tubular to permit... Agent: Patterson & Sheridan, L.L.P.

20070074875 - Pipe handling device, method and system: A pipe handling device for mounting to use with a top drive and possibly a pipe engaging apparatus, includes a link arm having a first end pivotally connectable to move with the top drive and an outboard end pivotally connectable to a pipe elevator segment, and a drive system to... Agent: Bennett Jones C/o Ms Roseann Caldwell

20070074874 - Quill saver sub: A saver sub assembly has a body capable of coupling with a quill, and a split ring capable of coupling with the quill and the body and capable of keeping the quill and body together. The body has splines to prevent relative rotation between the quill and the body. The... Agent: Baker Botts, LLP