Patents Represented by Attorney Rodney Warfford
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Patent number: 8327746Abstract: Wellbore perforating devices are disclosed. In one example, a wellbore perforating device includes a plurality of shaped charges and a holder that holds the plurality of shaped charges so that upon detonation the charges intersect a common plane extending transversely to the holder.Type: GrantFiled: April 16, 2010Date of Patent: December 11, 2012Assignee: Schlumberger Technology CorporationInventors: Lawrence A. Behrmann, Francois Black
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Patent number: 8322415Abstract: Apparatus and methods for deploying one or more sensors into a wellbore. The method can include at least partially embedding one or more sensors in one or more swellable elements; conveying the one or more sensors and the one or more swellable elements into the wellbore; at least partially swelling one or more of the swellable elements; and measuring at least one wellbore property with the one or more sensors.Type: GrantFiled: September 11, 2009Date of Patent: December 4, 2012Assignee: Schlumberger Technology CorporationInventors: Ives Loretz, Carlos Araque, Muhammad Shafiq, Donald Ross
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Patent number: 8322450Abstract: A wellbore packer having a setting mechanism adapted to apply an axial force along a force path; a seal member connected with the setting mechanism along the force path, the seal member set in response to the application of the axial force; a slip connected with the setting mechanism downstream of the seal member along the force path, the slip set in response to the application of the axial force; and an assembly adapted to transfer the axial force around the intervening seal member to the slip.Type: GrantFiled: May 29, 2009Date of Patent: December 4, 2012Assignee: Schlumberger Technology CorporationInventor: John R. Meijer
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Patent number: 8286708Abstract: Methods and apparatuses for installing lateral wells in an underground. The methods and apparatuses allow for efficiency in a milling and installation process for the lateral well. More specifically, tools and techniques are detailed which allow for controllably guided installation of a whipstock and/or subsequent production deflector hardware at locations adjacent lateral legs of a well to allow for such enhanced milling, installation and production efficiencies.Type: GrantFiled: May 20, 2009Date of Patent: October 16, 2012Assignee: Schlumberger Technology CorporationInventors: Anwar Ahmed Maher Assal, Timothy M. O'Rourke, Jeremie C. Fould
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Patent number: 8286709Abstract: A technique enables injection of treatment chemicals at a plurality of desired locations along a well. A multi-point chemical injection system is connected and deployed into a wellbore. The multi-point chemical injection system delivers one or more treatment chemicals along the wellbore to the desired locations at a plurality of injection zones. A single control line is run from a surface location down through the wellbore to the plurality of injection zones. The single control line is used to deliver the treatment chemical to each of the injection zones.Type: GrantFiled: October 9, 2009Date of Patent: October 16, 2012Assignee: Schlumberger Technology CorporationInventors: Rex C. Mennem, Dinesh R. Patel, David Himmel, Angel R. Reyes
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Patent number: 8276674Abstract: A system includes a string that includes a passageway and a plurality of tools. The system further includes an untethered object that is adapted to be deployed in the passageway such that the object travels downhole via the passageway and controllably expand its size as the object travels downhole to selectively cause one of the tools to capture the object.Type: GrantFiled: November 12, 2010Date of Patent: October 2, 2012Assignee: Schlumberger Technology CorporationInventors: Jorge Lopez de Cardenas, Gary L. Rytlewski, Matthew R. Hackworth
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Patent number: 8256517Abstract: A tubing assembly for entering multiple boreholes includes an outer shroud having an axial throughbore, and an inner tubular member disposed in the axial throughbore, wherein the tubular member is releasably coupled to the shroud, and wherein the outer diameter of the shroud is adjustable. A tubing assembly for entering multiple boreholes may also include a shroud having an axial throughbore, a movable tubular member disposed in the axial throughbore, and a releasable coupling between the shroud and the tubular member, wherein the releasable coupling includes a retracted position allowing entry of the tubing assembly into a junction between two boreholes, wherein the releasable coupling includes an expanded position allowing movement of the tubular member relative to the shroud and prevents re-entry of the tubing assembly into the junction.Type: GrantFiled: December 30, 2009Date of Patent: September 4, 2012Assignee: Smith International, Inc.Inventors: Derek Ingraham, Bruce Cram
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Patent number: 8225880Abstract: Disclosed herein is a completion device for a wellbore, that includes at least an elastomer circumferentially disposed around a tubular, the elastomer having a main sealing segment and at least one activation segment axially extending from the main sealing segment at opposing ends, wherein each activation segment has an exposed end; and an impermeable membrane circumferentially encasing the elastomer and configured to prevent an influx of wellbore fluids into the elastomer except at the exposed ends.Type: GrantFiled: December 1, 2009Date of Patent: July 24, 2012Assignee: Schlumberger Technology CorporationInventors: Gary L. Rytlewski, John Whitsitt, Nitin Y. Vaidya
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Patent number: 8118098Abstract: A technique is provided to facilitate fluid flow and pressure control in a well with an interventionless flow valve system. The valve system is coupled to a well component string deployed downhole in a wellbore. The valve system controls flow and pressure between an interior and exterior of the string and comprises a valve controlled by an activation device. The activation device is responsive to a unique pressure and time signal transmitted downhole.Type: GrantFiled: May 23, 2006Date of Patent: February 21, 2012Assignee: Schlumberger Technology CorporationInventors: Joe C. Hromas, Larry Grigar
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Patent number: 8091647Abstract: The present embodiment of the invention relates to an apparatus and method for using components in a subsea assembly formed from a raw polymer material combined with a marine growth inhibitor material.Type: GrantFiled: August 21, 2008Date of Patent: January 10, 2012Assignee: Schlumberger Technology CorporationInventors: Joseph A. Nicholson, Gareth B. Eccles, Daryl H. Love
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Patent number: 8091628Abstract: Apparatus and methods for providing fluid and projectiles to downhole tubulars includes a manifold. The manifold may include a housing, a cartridge disposed within the housing, and an actuator. The cartridge includes multiple throughbores for selectively allowing a fluid flow to pass through, and storing a projectile. The actuator is adapted to move the multiple throughbores of the cartridge out of and into the fluid flow to release the stored projectile into the fluid flow. The manifold may include multiple projectiles that are stored laterally relative to each other for radial translation and release into the fluid flow.Type: GrantFiled: May 30, 2007Date of Patent: January 10, 2012Assignee: Smith International, Inc.Inventors: Richard David Peer, Robert James Costo, Jr.
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Patent number: 8074718Abstract: A downhole tool for providing a pressure differential between sub-assemblies, the downhole tool including an elongated body, a tubular assembly disposed within the elongated body, the tubular assembly including a central flowbore with an inner diameter and a central longitudinal axis, a camming device, an actuator member located below the tubular assembly, having a dual-bore configuration, the actuator member including a first bore, a second bore, and a concave seating surface formed within the second bore for receiving a obstructing device, wherein the first bore and the second bore are oriented 90 degrees to one another so that fluid may flow through the actuator while it is in either a first or a second position, and a stationary sleeve concentrically disposed between the actuator member and the elongated body is disclosed.Type: GrantFiled: October 1, 2009Date of Patent: December 13, 2011Assignee: Smith International, Inc.Inventor: William M. Roberts
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Patent number: 8061430Abstract: A downhole contraction joint. The downhole contraction joint can include at least one anti-rotation assembly. The anti-rotation assembly can include a first tubular member at least partially disposed within a second tubular member. An axial slot can be formed through at least a portion of the first tubular member, and at least one key can be at least partially disposed within the second tubular member and the axial slot. The downhole contraction joint can also have at least one resetting assembly disposed at a first end of the anti-rotation assembly. The resetting assembly can include a c-ring secured to the second tubular member. The first tubular member can be secured to the lock ring, and the lock ring can be aligned with the c-ring. The downhole contraction joint can also include at least one control line assembly disposed about a portion of the anti-rotation assembly.Type: GrantFiled: March 9, 2009Date of Patent: November 22, 2011Assignee: Schlumberger Technology CorporationInventors: Michael H. Du, Claus Endruhn, David Verzwyvelt
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Patent number: 7992642Abstract: An integral polished bore assembly for use in a wellbore. The assembly includes a barrel having a polished bore; at least one no-go member positioned within the barrel; an elongated locator member having a sealing head and an end, the end extending out of the barrel; and a radial port formed through the barrel.Type: GrantFiled: May 23, 2008Date of Patent: August 9, 2011Assignee: Schlumberger Technology CorporationInventors: Ahmed Amr Gewily, Anwar Assal, Dinesh R. Patel
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Patent number: 7878257Abstract: A downhole trigger mechanism and method for using the same are provided. The downhole trigger mechanism can include at least two contact points spaced a longitudinal distance from one another. The trigger mechanism can be actuated when the contact points of the trigger mechanism are simultaneously contacted by at least two contact points of an actuator. The contact points of the actuator can be spaced a longitudinal distance from one another.Type: GrantFiled: February 23, 2009Date of Patent: February 1, 2011Assignee: Schlumberger Technology CorporationInventors: Kuo-Chiang Chen, Gary Rytlewski, John Fleming
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Patent number: 7837427Abstract: A method of transporting and storing an oilfield proppant is provided that includes transporting the proppant to a storage facility by use of a dump truck; providing a load assembly at the storage facility which comprises a load hopper and a load conveyor; transferring the proppant from the dump truck to the load hopper; and operating the load conveyor to transport the proppant from the load hopper to a proppant storage area of the storage facility to form an accumulation of stored proppant therein.Type: GrantFiled: July 9, 2007Date of Patent: November 23, 2010Assignee: Schlumberger Technology CorporationInventors: Jeff Beckel, Roger Keese
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Patent number: 7827859Abstract: The present invention provides methods and apparatus for obtaining downhole well pressure during wellbore operations. One method comprises providing a well intervention tool comprising a straddle sealing assembly having upper and lower annulus sealing elements and a fluid injection port positioned therebetween, the well intervention tool comprising a fluid injection bore having positioned therein a pressure measurement tool; placing the tool in straddle position about a wellbore region to be intervened, with the pressure measurement tool fluidly connected to a wellbore region below the lower annulus sealing element; and performing the wellbore intervention operation while communicating fluid from below the lower annulus sealing element to the pressure measurement tool, thus obtaining a pressure measurement below the lower annulus sealing element during the wellbore intervention operation. This abstract will not be used to interpret or limit the scope or meaning of the claims.Type: GrantFiled: May 21, 2007Date of Patent: November 9, 2010Assignee: Schlumberger Technology CorporationInventors: Douglas Pipchuk, Michael H. Kenison
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Patent number: 7823636Abstract: A packer includes first and second external seal elements. The first external seal element is adapted to form an annular seal in the well. The second external seal element is adapted to be moved in response to fluid in the well to produce a force to at least partially assist an operation of the packer.Type: GrantFiled: September 10, 2007Date of Patent: November 2, 2010Assignee: Schlumberger Technology CorporationInventor: Chad M. Lucas
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Patent number: 7784546Abstract: 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 supported by the platform.Type: GrantFiled: December 16, 2005Date of Patent: August 31, 2010Assignee: Schlumberger Technology CorporationInventor: Bart Patton
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Patent number: 7757755Abstract: A technique provides an orientation system combined with downhole equipment used in a well. An orientation device is mounted in the downhole equipment, e.g. a bottom hole assembly, for actuation during angular displacement of the downhole equipment. A sensor is mounted to cooperate with the orientation device in detecting the angular displacement.Type: GrantFiled: October 2, 2007Date of Patent: July 20, 2010Assignee: Schlumberger Technology CorporationInventors: Michael H. Kenison, L. Michael McKee, Robert Bucher, David P. Smith, Sarmad Adnan