Cup Type Patents (Class 166/202)
  • Patent number: 9587458
    Abstract: A device and method prevent damage to an anti-extrusion device on a tool, such as a plug or a packer, prior to and during setting of the tool. Typically, the upper or outer edges of the anti-extrusion device are relatively delicate. A reinforcing band on the device's sheath strengthens or armors the upper or outer edge of the anti-extrusion device so the anti-extrusion device may be protected while running the tool into the well or casing. Longitudinal slots on the sheath allow the sheath to expand at least partially with the expansion of the sealing element, while the reinforcing band resists expansion of the distal edge of the sheath.
    Type: Grant
    Filed: February 27, 2014
    Date of Patent: March 7, 2017
    Assignee: Weatherford Technology Holdings, LLC
    Inventor: Michael C. Derby
  • Patent number: 9534460
    Abstract: The present invention is related to a downhole tool having a flapper valve assembly for controlling the backflow of fluid into a tubing string. The downhole tool includes a first sleeve slidably disposable within at least a portion of the flapper valve assembly and the downhole tool. The downhole tool can also include a second sleeve slidably disposed within the downhole tool. The present invention is also related to a method of using the downhole tool. The method includes the step of positioning the downhole tool in a wellbore. Once the downhole tool is positioned in the wellbore, the first sleeve is shifted to interact with the flapper valve assembly.
    Type: Grant
    Filed: February 5, 2015
    Date of Patent: January 3, 2017
    Assignee: Thru Tubing Solutions, Inc.
    Inventors: Brock Watson, Roger Schultz, Andy Ferguson
  • Patent number: 9109737
    Abstract: A device, for sealing the end face of a tube, includes an inner tube which has a smaller diameter than the tube to be sealed and is introduced at the end face into the tube to be sealed; a sealing body which is provided to seal a ring gap between the inner tube and the tube to be sealed, the sealing body being arranged in a movable manner on the inner tube; a turbine configured to be driven by a fluid flow from the tube; and a mechanical transmission. The mechanical transmission is connected between the turbine and the sealing body, and acts to translate rotational movement of the turbine from the fluid flow into a movement of the sealing body, thereby bringing the sealing body from a position having reduced sealing capacity into a position having higher sealing capacity.
    Type: Grant
    Filed: June 22, 2011
    Date of Patent: August 18, 2015
    Inventor: Walter Degelsegger
  • Patent number: 9010414
    Abstract: An annular seal for a setting tool in a packer tieback extension comprises a downhole oriented packer cup assembly. As the tool is run in the hole the packer cup flexes as the rising hydrostatic pressure equalizes across the cup into what started as a zone with atmospheric pressure inside the packer tieback extension. Once the pressure is equalized the self energizing feature of the packer cup maintains grit and debris in the mud from entering the tieback extension where the spring loaded dogs of the setting tool are held in a retracted position. If the seal fails to equalize and allows a large differential across the setting sleeve from the surrounding annulus, the rupture disc breaks inwardly into the tieback extension so that pressure is equalized. If the packer is never set after being lowered to depth and the pressure from the tieback extension is equalized into the annulus.
    Type: Grant
    Filed: November 30, 2011
    Date of Patent: April 21, 2015
    Assignee: Baker Hughes Incorporated
    Inventor: Benjamin J. Gorman
  • Patent number: 8960277
    Abstract: A packer for sealing against an inner cylindrical mandrel and a wellbore wall.
    Type: Grant
    Filed: May 23, 2012
    Date of Patent: February 24, 2015
    Assignee: I-TEC AS
    Inventors: Kristoffer Braekke, Bård-Einar Angell, Melanie Seguin
  • Publication number: 20150047828
    Abstract: A method of stimulating a subterranean formation using a tubular member with one or more burst disks therein.
    Type: Application
    Filed: September 25, 2014
    Publication date: February 19, 2015
    Inventors: Scott SHERMAN, Robert PUGH, Sean MAJKO, Steve SCHERSCHEL
  • Patent number: 8893780
    Abstract: A downhole apparatus and assembly for use in a well bore and associated method are disclosed. The downhole apparatus includes a mandrel, a first slip, and a second slip, both slips being disposed on the mandrel. The slips are configured to grippingly engaging the well bore when in a set position. A packer cup is also disposed on the mandrel. The packer cup is provided for sealing an annulus between the mandrel and the well bore. The packer cup is slidable relative to the mandrel, and can be controlled to slide along the mandrel in order to move the slip to the set position. The downhole assembly includes a downhole tool and a setting apparatus. The setting apparatus can be used to lower the downhole apparatus to a desired setting depth and then to release the downhole apparatus.
    Type: Grant
    Filed: August 31, 2011
    Date of Patent: November 25, 2014
    Inventors: Donald Roy Greenlee, Donald Jonathan Greenlee
  • Patent number: 8881802
    Abstract: An annular seal for a setting tool in a packer tieback extension comprises a downhole oriented packer cup assembly. As the tool is run in the hole the packer cup flexes as the rising hydrostatic pressure equalizes across the cup into what started as a zone with atmospheric pressure inside the packer tieback extension. Once the pressure is equalized the self energizing feature of the packer cup maintains grit and debris in the mud from entering the tieback extension where the spring loaded dogs of the setting tool are held in a retracted position. If the seal fails to equalize and allows a large differential across the setting sleeve from the surrounding annulus, the rupture disc breaks inwardly into the tieback extension so that pressure is equalized. If the packer is never set after being lowered to depth and the pressure from the tieback extension is equalized into the annulus.
    Type: Grant
    Filed: November 30, 2011
    Date of Patent: November 11, 2014
    Assignee: Baker Hughes Incorporated
    Inventor: Benjamin J. Gorman
  • Publication number: 20140238675
    Abstract: The present invention relates to downhole injection tool (1) for injecting an injection fluid into an annular space (5a) surrounding the downhole injection tool and enclosed by an inside wall (3a) of a borehole or a well tubular structure (3).
    Type: Application
    Filed: September 27, 2012
    Publication date: August 28, 2014
    Inventors: Jørgen Hallundbæk, Lars Stæhr, Steffen Evertsen
  • Patent number: 8752625
    Abstract: A gravel pack system and method for zonal isolation includes a swellable element used in conjunction with a primary isolation device, such as a cup packer. The zones may be isolated by both the isolation device and the swellable element. Shunt tubes may be used to convey a gravel slurry to each zone. At least one upper shunt tube extends through the isolation device to provide the slurry to the zone therebelow. Once the gravel packing is completed, the swellable member may be activated to provide and supplement a hydraulic seal between adjacent zones.
    Type: Grant
    Filed: February 11, 2011
    Date of Patent: June 17, 2014
    Assignee: Schlumberger Technology Corporation
    Inventor: Raymond J. Tibbles
  • Publication number: 20140138088
    Abstract: A packer cup assembly uses a shape memory alloy packer cup reformed for run in into a cylindrical shape about a mandrel with opposed end rings that extend radially further out during run in to protect the cup. Upon application of a thermal stimulus the cup reverts to a functional cup seal shape by engaging the rim and parts of the cup to the surrounding wellbore. The shape change can also involve a shortened axial dimension that results in the cup shape moving away from the end ring to which it is unattached. The stimulus is provided with well fluids or artificially through heaters or other techniques. External elongated protective elements can be provided to overlay the cup seal during run and bend outwardly with the cup seal during reversion to its functional shape.
    Type: Application
    Filed: November 16, 2012
    Publication date: May 22, 2014
    Applicant: BAKER HUGHES INCORPORATED
    Inventor: Michael Ramon
  • Publication number: 20140102727
    Abstract: The present invention generally relates to a packer for creating a seal in an annular area. In one aspect, a packer cup for use in a wellbore is provided. The packer cup includes a base and a first seal segment having a first end and a second end. The first end of the first seal segment is attached to the base. The packer cup further includes a second seal segment that is spaced apart from the base. The second seal segment is attached to the second end of the first seal segment, wherein each seal segment is configured to move from a retracted shape to an expanded shape upon activation of the respective seal segment. In another aspect, a method for creating a seal between a tubular and a wellbore is provided. In a further aspect, a packer is provided.
    Type: Application
    Filed: October 11, 2013
    Publication date: April 17, 2014
    Applicant: Weatherford/Lamb, Inc.
    Inventors: PAUL NORTHAM, MARK C. GLASER
  • Patent number: 8678099
    Abstract: A sealing system and method for sealing a tubular conduit, the sealing system includes a housing, at least one annular seal surrounding the outer surface of the housing, at least one seal back-up mounted on the housing outer surface, and seal and anchor energising means for urging the annular seal and the anchor surface into contact with the tubular conduit in response to an actuation force.
    Type: Grant
    Filed: April 11, 2005
    Date of Patent: March 25, 2014
    Assignee: Petrowell Limited
    Inventors: Iain McLeod, Lee Mercer
  • Patent number: 8651178
    Abstract: A packer for a well. The packer comprises a seal element and seal setting apparatus. The seal setting apparatus is moveable with respect to the seal element in a setting direction to apply a setting force to the seal element to move the seal element from a run-in configuration to a set configuration in which, in use, the seal element forms a contact seal with a conduit wall. In use, the packer is arranged such that, in the set configuration, a pressure differential across the packer, which creates a force in the setting direction, will increase the setting force applied by the seal setting apparatus to the seal element to maintain the seal.
    Type: Grant
    Filed: March 22, 2007
    Date of Patent: February 18, 2014
    Assignee: Petrowell Limited
    Inventors: Lee Mercer, Iain Macleod
  • Patent number: 8596370
    Abstract: The seal has a base ring that expands with the underlying supporting tubular. Extending from the base ring is a pleated structure with segments folded over each other so that the run in shape is small and up against the supporting tubular for run in. The pleated segments can have internal stiffeners that also add a bias radially outwardly when the structure is freed to move in that direction. A retaining band keeps the assembly retracted until tubular expansion defeats the band to allow the unitary structure to move out radially to the wellbore or surrounding tubular. The pleated portion unfolds and spans outwardly from the base ring to retain pressure differential in one direction while allowing fluid flow in the opposite direction. The assembly can be attached to a swage device so that pressure from above can drive one or more swage members to expand a tubular.
    Type: Grant
    Filed: September 7, 2011
    Date of Patent: December 3, 2013
    Assignee: Baker Hughes Incorporated
    Inventors: Ines Rex, Keven O'Connor, Joerg Lehr
  • Publication number: 20130306332
    Abstract: A system for plugging an oil well after a blowout comprises a hollow drill string. A connecting device is loosely situated around the string. The connecting device has an upper surface, a side surface and a lower surface having a recess. An inflatable bladder comprises an impermeable material. A skirt has a plurality of rods, each of which are pivotally connected to the lower surface. The first fastening ring is configured to selectively allow the bladder to transition from an unfilled state to a filled state. A second fastening ring is configured to selectively allow the skirt to transition from a closed position to an open position. A stop having a beveled edge is secured to the drill string. The recess is configured to allow the connecting device to mate with the stop beveled edge.
    Type: Application
    Filed: March 14, 2013
    Publication date: November 21, 2013
    Inventor: Basimah Khulusi
  • Patent number: 8584759
    Abstract: An apparatus positionable along a downhole string. The apparatus includes a flexible structure retained on a surface of the string in a first condition. The flexible structure movable by a flow to substantially fill an annular space between the string and a radially positioned structure in a second condition. A method of diverting fracturing treatments in a wellbore is also included.
    Type: Grant
    Filed: March 17, 2011
    Date of Patent: November 19, 2013
    Assignee: Baker Hughes Incorporated
    Inventors: Edward J. O'Malley, Matthew D. Solfronk
  • Publication number: 20130299201
    Abstract: A system for plugging an oil well comprises a hollow drill string. A connecting device having an upper surface, a side surface, and a lower surface having a recess is loosely situated around the drill string. A first skirt has a plurality of first rods that are each pivotally connected to the upper surface. A second skirt has a plurality of second rods that are each pivotally connected to the lower surface. A first fastening ring is configured to selectively allow the first skirt to transition from a closed position to an open position. A second fastening ring is configured to selectively allow the second skirt to transition from a closed position to an open position. A stop having a beveled edge is secured to the drill string. The recess is configured to allow the connecting device to mate with the stop's beveled edge.
    Type: Application
    Filed: March 14, 2013
    Publication date: November 14, 2013
    Inventor: Basimah Khulusi
  • Patent number: 8579038
    Abstract: A sealing apparatus for sealing an annulus is described. The apparatus comprises a first sealing element (20) adapted for sealing the annulus against fluid pressure from above the sealing apparatus and adapted to be actuated by fluid pressure from above the apparatus and a second sealing element (40) adapted for sealing the annulus against fluid pressure from below the sealing apparatus and adapted to be actuated by fluid pressure from below the apparatus. In use, the sealing elements are arranged such that the second sealing element is above the first sealing element.
    Type: Grant
    Filed: November 2, 2007
    Date of Patent: November 12, 2013
    Assignee: Rubberatkins Limited
    Inventors: Nicholas Atkins, Timothy Clarke
  • Publication number: 20130269938
    Abstract: System, devices, and methods are described relating to the treatment (e.g., perforating, fracturing, foam stimulation, acid treatment, cement treatment, etc.) of well-bores (e.g., cased oil and/or gas wells). In at least one example, a method is provided for treatment of a region in a well, the method comprising: positioning, in a well-bore, a packer above the region of the well-bore, fixing, below the region, an expansion packer, treating the region, the treatment fixing the packer, moving the expansion packer, and moving the packer after the moving of the expansion packer.
    Type: Application
    Filed: March 14, 2013
    Publication date: October 17, 2013
    Applicant: Pioneer Natural Resources USA, Inc.
    Inventor: Pioneer Natural Resources USA, Inc.
  • Patent number: 8474523
    Abstract: A method of and apparatus for treating a zone in a well is disclosed. A tube that is permeable to a material is inserted into a wellbore, creating an annulus inside the wellbore. Two zones—the annular region and the formation surrounding the wellbore—may be treated. The method comprises the following steps. (1) A setting section surrounded by a sleeve is placed inside the tube near the zone to treat, the sleeve being expandable and impermeable to the material. (2) The sleeve is inflated inside the tube near the zone to treat, ensuring that a first zone of the tube is impermeable to the material, but leaving a second zone permeable to the material. (3) A treatment fluid is pumped to the zone to treat, the treatment fluid passing into the annulus via the second zone. (4) The zone to treat is treated with the treatment fluid.
    Type: Grant
    Filed: October 15, 2012
    Date of Patent: July 2, 2013
    Assignee: Schlumberger Technology Corporation
    Inventors: Christophe M Rayssiguier, Simon Gareth James, Philippe Gambier
  • Publication number: 20130160996
    Abstract: A downhole packer assembly for steam injection and casing pressure testing. The downhole packer assembly includes a housing assembly having intake and discharge ports. A seal assembly is positioned around the housing assembly between the intake and discharge ports and is operable to provide a fluid seal with a casing string. A mandrel is positioned within the housing assembly forming a micro annulus therewith and providing an internal pathway for fluid production therethrough. A valve assembly is disposed between the housing assembly and the mandrel and is operable between closed and open positions by a piston assembly such that the intake and discharge ports and the micro annulus provide a bypass passageway for steam injection around the seal assembly when the valve assembly is open and the seal assembly provides a downhole surface for pressure testing of the casing string uphole thereof when the valve assembly is closed.
    Type: Application
    Filed: October 5, 2012
    Publication date: June 27, 2013
    Applicant: HALLIBURTON ENERGY SERVICES, INC.
    Inventor: Halliburton Energy Services, Inc.
  • Publication number: 20130133879
    Abstract: An annular seal for a setting tool in a packer tieback extension comprises a downhole oriented packer cup assembly. As the tool is run in the hole the packer cup flexes as the rising hydrostatic pressure equalizes across the cup into what started as a zone with atmospheric pressure inside the packer tieback extension. Once the pressure is equalized the self energizing feature of the packer cup maintains grit and debris in the mud from entering the tieback extension where the spring loaded dogs of the setting tool are held in a retracted position. If the seal fails to equalize and allows a large differential across the setting sleeve from the surrounding annulus, the rupture disc breaks inwardly into the tieback extension so that pressure is equalized. If the packer is never set after being lowered to depth and the pressure from the tieback extension is equalized into the annulus.
    Type: Application
    Filed: November 30, 2011
    Publication date: May 30, 2013
    Applicant: BAKER HUGHES INCORPORATED
    Inventor: Benjamin J. Gorman
  • Patent number: 8347965
    Abstract: An apparatus for wellbore fluid treatment having a body with a lower end, an upper end, an exterior surface and an interior surface defining a long bore open at the upper end, an outlet port spaced from the upper end, and a die in the long bore between the upper end and the outlet port. The outlet port permits the communication of fluids between the long bore and the exterior surface. The die is substantially immovable within the long bore and has an inner open diameter in which a plug is landable to create a seal in the long bore before passing through the inner open diameter.
    Type: Grant
    Filed: December 23, 2009
    Date of Patent: January 8, 2013
    Assignee: Sanjel Corporation
    Inventors: Jeffrey W. Spence, James K. Gray, Bailey T. Epp, Alberto Martinez, Liguo Zhou
  • Patent number: 8336635
    Abstract: A downhole apparatus and for use in a well bore and associated method are disclosed. The downhole apparatus includes a center mandrel. A slip means is disposed on the mandrel. The slip means can include teeth or the like for grippingly engaging the well bore when in a set position. A retractable packer cup is also disposed on the mandrel. The retractable packer cup is provided for sealing an annulus between the mandrel and the well bore. The retractable packer cup is slidable relative to the mandrel, and can be controlled to slide along the mandrel in order to move the slip to the set position. Also disclosed is a downhole assembly that includes a downhole tool and a setting apparatus. The setting apparatus can be used for lowering the downhole apparatus to a desired setting depth and then releasing the downhole apparatus.
    Type: Grant
    Filed: December 13, 2011
    Date of Patent: December 25, 2012
    Inventors: Donald Roy Greenlee, Donald Jonathan Greenlee
  • Patent number: 8312921
    Abstract: A method of and apparatus for treating a zone in a well is disclosed. A tube that is permeable to a material is inserted into a wellbore, creating an annulus inside the wellbore. Two zones—the annular region and the formation surrounding the wellbore—may be treated. The method comprises the following steps. (1) A setting section surrounded by a sleeve is placed inside the tube near the zone to treat, the sleeve being expandable and impermeable to the material. (2) The sleeve is inflated inside the tube near the zone to treat, ensuring that a first zone of the tube is impermeable to the material, but leaving a second zone permeable to the material. (3) A treatment fluid is pumped to the zone to treat, the treatment fluid passing into the annulus via the second zone. (4) The zone to treat is treated with the treatment fluid.
    Type: Grant
    Filed: February 16, 2007
    Date of Patent: November 20, 2012
    Assignee: Schlumberger Technology Corporation
    Inventors: Philippe Gambier, Simon James, Christophe Rayssiguier
  • Publication number: 20120145412
    Abstract: A packer assembly can include an annular seal element and an end ring including leaves formed on a body of the end ring, whereby the leaves are biased radially outward when the seal element extends radially outward. A method of sealing an annulus in a subterranean well can include positioning a circumferential series of leaves radially outwardly overlying an annular seal element of a packer assembly, and the leaves pivoting radially outward in response to swelling of the seal element. Another packer assembly can include an annular seal element which swells in response to contact with a selected fluid in the well, and an end ring including an end ring body with a removable portion being engaged with the end ring body via interlocking profiles.
    Type: Application
    Filed: December 10, 2010
    Publication date: June 14, 2012
    Applicant: HALLIBURTON ENERGY SERVICES, INC.
    Inventors: Kristian Andersen, Sølve S. Lyng, Jonny Haugen
  • Patent number: 8151873
    Abstract: An open hole packer uses mandrel expansion and a surrounding sealing element that can optionally have a swelling feature and further a seal enhancing feature of a ring with an internal taper to match an undercut on the mandrel exterior. As a swage progresses to the taper at the transition between the ring and the extending flat fingers, the fingers get plastically deformed in an outward radial direction to push out the sealing element. Shrinkage of the mandrel axially due to radial expansion brings a ring on the mandrel outer surface under the fingers to act as a support for the fingers against the seal which is pushed against the open hole. Mirror image orientations are envisioned to aid in retaining pressure differentials in opposed directions. Another external mandrel ring extends into the seal to keep its position during differential pressure loading.
    Type: Grant
    Filed: February 24, 2011
    Date of Patent: April 10, 2012
    Assignee: Baker Hughes Incorporated
    Inventors: Chee K Lee, Mark K. Adam, Jeffrey C. Williams
  • Publication number: 20120080202
    Abstract: A downhole apparatus and for use in a well bore and associated method are disclosed. The downhole apparatus includes a center mandrel. A slip means is disposed on the mandrel. The slip means can include teeth or the like for grippingly engaging the well bore when in a set position. A retractable packer cup is also disposed on the mandrel. The retractable packer cup is provided for sealing an annulus between the mandrel and the well bore. The retractable packer cup is slidable relative to the mandrel, and can be controlled to slide along the mandrel in order to move the slip to the set position. Also disclosed is a downhole assembly that includes a downhole tool and a setting apparatus. The setting apparatus can be used for lowering the downhole apparatus to a desired setting depth and then releasing the downhole apparatus.
    Type: Application
    Filed: December 13, 2011
    Publication date: April 5, 2012
    Inventors: Donald Roy Greenlee, Donald Jonathan Greenlee
  • Patent number: 8113276
    Abstract: A downhole apparatus and for use in a well bore and associated method are disclosed. The downhole apparatus includes a center mandrel. A slip means is disposed on the mandrel. The slip means can include teeth or the like for grippingly engaging the well bore when in a set position. A packer cup is also disposed on the mandrel. The packer cup is provided for sealing an annulus between the mandrel and the well bore. The packer cup is slidable relative to the mandrel, and can be controlled to slide along the mandrel in order to move the slip to the set position. Also disclosed is a downhole assembly that includes a downhole tool and a setting apparatus. The setting apparatus can be used for lowering the downhole apparatus to a desired setting depth and then releasing the downhole apparatus.
    Type: Grant
    Filed: October 27, 2008
    Date of Patent: February 14, 2012
    Inventors: Donald Roy Greenlee, Donald Jonathan Greenlee
  • Publication number: 20110308820
    Abstract: A downhole apparatus and assembly for use in a well bore and associated method are disclosed. The downhole apparatus includes a mandrel, a first slip, and a second slip, both slips being disposed on the mandrel. The slips are configured to grippingly engaging the well bore when in a set position. A packer cup is also disposed on the mandrel. The packer cup is provided for sealing an annulus between the mandrel and the well bore. The packer cup is slidable relative to the mandrel, and can be controlled to slide along the mandrel in order to move the slip to the set position. The downhole assembly includes a downhole tool and a setting apparatus. The setting apparatus can be used to lower the downhole apparatus to a desired setting depth and then to release the downhole apparatus.
    Type: Application
    Filed: August 31, 2011
    Publication date: December 22, 2011
    Inventors: Donald Roy Greenlee, Donald Jonathan Greenlee
  • Patent number: 8079420
    Abstract: A sealing device is disclosed for separating sections inside an elongate hole with at least one duct extending inside and along the hole. The sealing device includes a first portion which is arranged, in use of the sealing device, to surround the duct and fit substantially tightly against the same, and a flexible cup-shaped second portion, which is arranged to surround the first portion and be resilient radially outwards to seal, in use, against the hole. Moreover, a method is disclosed for separating sections in an elongate hole with a duct extending inside and along the hole. A sealing device is slipped onto the duct at the intended level so that the sealing device after installation forms a cup shape around the duct. The duct and the sealing device are inserted into the hole, and the duct and the sealing device are installed at the intended level.
    Type: Grant
    Filed: June 14, 2010
    Date of Patent: December 20, 2011
    Assignee: Pemtec AB
    Inventor: Hans Alexandersson
  • Patent number: 8047278
    Abstract: A method to connect a lifting assembly to a bore of a downhole tubular includes providing a communication tool to a distal end of the lifting assembly, the communication tool comprising a body assembly, an engagement assembly, a valve assembly and a seal assembly, sealingly engaging a first portion of the seal assembly in the bore of the downhole tubular, selectively permitting fluid to flow between the lifting assembly and the downhole tubular with the valve assembly, and disengaging the first portion of the seal assembly from the bore of the downhole tubular.
    Type: Grant
    Filed: February 9, 2009
    Date of Patent: November 1, 2011
    Assignee: Pilot Drilling Control Limited
    Inventors: George Swietlik, Burney J. Latiolais, Jr., Robert Large
  • Patent number: 7959155
    Abstract: A packer cup for sealing the interior of a pipe under pressure includes a first region of relatively soft material and a second region of relatively hard material. The region of the relatively softer material would begin at the lip of the cup and extend for at least one third the length of the cup up to the entire length of the cup.
    Type: Grant
    Filed: February 4, 2008
    Date of Patent: June 14, 2011
    Assignee: Associated Research Developments Ltd.
    Inventors: Matthew Templeton, Brian Templeton
  • Publication number: 20110108276
    Abstract: In accordance with a broad aspect of the present invention there is provided an apparatus for wellbore fluid treatment, comprising: a body with a lower end, an upper end, an exterior surface and an interior surface defining a long bore open at the upper end; an outlet port spaced from the upper end, the outlet port permitting the communication of fluids between the long bore and the exterior surface; and, a die in the long bore between the upper end and the outlet port, the die being substantially immovable within the long bore and having an inner open diameter in which a plug can land to create a seal in the long bore before passing through the inner open diameter.
    Type: Application
    Filed: December 23, 2009
    Publication date: May 12, 2011
    Applicant: SANJEL CORPORATION
    Inventors: JEFFREY W. SPENCE, JAMES K. GRAY, BAILEY T. EPP, ALBERTO MARTINEZ, LIGUO ZHOU
  • Patent number: 7909109
    Abstract: An anchoring device for tool is disclosed that can be positioned downhole and used in casing. The anchoring device can have an architecture that supports installation by running downhole and into engagement with a recess formed in the casing. The anchoring device can support the use of weak materials such as plastic.
    Type: Grant
    Filed: October 22, 2007
    Date of Patent: March 22, 2011
    Assignee: Tesco Corporation
    Inventors: Per G. Angman, Maurice W. Slack
  • Patent number: 7905280
    Abstract: A self adjusting excluder sub includes a first subassembly; a second subassembly with respect to which the first subassembly is axially movable; and a support disposed at the second subassembly and when actuated being resiliently disposed against the first subassembly while being laterally movable relative to the first and second subassemblies jointly and method.
    Type: Grant
    Filed: February 12, 2008
    Date of Patent: March 15, 2011
    Assignee: Baker Hughes Incorporated
    Inventor: Aubrey C. Mills
  • Patent number: 7896090
    Abstract: A tool for subterranean use employs relative movement between a housing and a piston by pressurizing and removing pressure in a variable volume defined between them. The variable volume is sealed with packer cups preferably with one supported from the piston and the other off the housing and in opposed orientations so that the broad surface area on each packer cup abuts the surface where relative movement takes place. The downhole tasks accomplished with the relative movement can be varied and include tubular expansion, setting packers or shifting sleeves, for example. A single or multiple packer cups are tied to a structure that needs to be driven and building pressure behind a packer cup or reducing pressure ahead of it advance the piston.
    Type: Grant
    Filed: March 26, 2009
    Date of Patent: March 1, 2011
    Assignee: Baker Hughes Incorporated
    Inventors: Bryan T. Storey, Mark K. Adam
  • Patent number: 7845399
    Abstract: An apparatus for use with production tubing to pump fluid from a well to the surface includes a tubular conduit having upper and lower portions. The lower portion has an inner or outer diameter greater than the diameter of the upper portion to form a first internal or external shoulder where the lower and upper portions are engaged. Seals are disposed on the conduit for sealing between the conduit and a well casing. One or more valve sections have a valve adapted to open during downwards motion through fluid and to close during upwards motion through fluid.
    Type: Grant
    Filed: October 28, 2008
    Date of Patent: December 7, 2010
    Inventor: Morley Sebree
  • Patent number: 7845400
    Abstract: A wiper plug release tool uses a first pump down plug that lands in the tool to pressurize an internal chamber to slide a sleeve that undermines a set of dogs to allow the lower wiper plug to be decoupled from support. The shifting of this sleeve cams a second set of dogs into an internal passage in the tool to act as a landing location for a second pump down plug. Landing the second pump down plug on the now extended dogs allows a net pressure to be applied to an upper piston which shifts a sleeve to release the support for the second wiper plug. The upper piston remains in pressure balance unless the second pump down plug can be landed on the dogs that only extended because the sleeve that released the lower wiper plug had shifted.
    Type: Grant
    Filed: January 28, 2008
    Date of Patent: December 7, 2010
    Assignee: Baker Hughes Incorporated
    Inventors: Sidney K. Smith, Jr., Donald G. Parmer, Jr.
  • Publication number: 20100243237
    Abstract: A tool for subterranean use envisions relative movement between a housing and a piston by pressurizing and removing pressure in a variable volume defined between them. The variable volume is sealed with packer cups preferably with one supported from the piston and the other off the housing and in opposed orientations so that the broad surface area on each packer cup abuts the surface where relative movement takes place. The downhole tasks accomplished with the relative movement can be varied and include tubular expansion, setting packers or shifting sleeves, for example. Alternative embodiments envision use of a single or multiple packer cups tied to a structure that needs to be driven and building pressure behind a packer cup or reducing pressure ahead of it to advance it.
    Type: Application
    Filed: March 26, 2009
    Publication date: September 30, 2010
    Inventors: Bryan T. Storey, Mark K. Adam
  • Publication number: 20100243235
    Abstract: A packer provides multiple seals when deployed downhole. Exposed to an activating agent, a swellable element on the packer's mandrel expands radially outward to form a seal with the borehole wall. One or more deformable elements, such as compressible packers or cup packers, are disposed on the mandrel adjacent the swellable element. These deformable element deform outward to the surrounding borehole wall to at least partially isolate the downhole annulus and the swellable element. Bias units releasably affixed on the tool adjacent the deformable elements can deform the elements. These bias unit can be released either by swelling of the swellable element or by fluid pressure. Once released, the bias units are axially biased toward the deformable elements to deform them. In this way, the packer can form multiple seals with the borehole wall, and the deformable elements can isolate the swellable element from the downhole annulus, which can keep the swellable element from degrading or being overly extruded.
    Type: Application
    Filed: March 31, 2009
    Publication date: September 30, 2010
    Applicant: WEATHERFORD/LAMB, INC.
    Inventors: Rebecca Caldwell, Patrick J. Zimmerman, Robert Coon, Henry Joe Jordan, David Ward
  • Patent number: 7793721
    Abstract: An apparatus and method for radially expanding and plastically deforming a tubular member. The apparatus includes a support member, an expansion device coupled to the support member and at least one of a cutting device coupled to the support member, an actuator coupled to the support member, a sealing assembly, or a packer assembly coupled to the support member. The apparatus may further include a gripping device for coupling the tubular member to the support member. The expansion device may be used for radially expanding and plastically deforming the tubular member which may be coupled to the support member. The cutting device may be used for cutting the tubular member. The actuator may be used for displacing the expansion device relative to the support member. The sealing assembly may be used for sealing an annulus defined between the support member and the tubular member.
    Type: Grant
    Filed: March 11, 2004
    Date of Patent: September 14, 2010
    Assignee: Eventure Global Technology, LLC
    Inventors: Brock Wayne Watson, David Paul Brisco
  • Patent number: 7789163
    Abstract: A straddle packer which, when in place during a fracing or well stimulation service, isolates the fracing zone from zones in the wellbore above and below the fracing zone, and which when run into the wellbore provides an open passageway from below the packer to the tubing string, relieving built up fluid pressure below the tool and permitting insertion at relatively high speeds.
    Type: Grant
    Filed: December 21, 2007
    Date of Patent: September 7, 2010
    Assignee: Extreme Energy Solutions, Inc.
    Inventors: Robert Kratochvil, Scott Kirk, Dan Schofield, Darko Smolcic
  • Patent number: 7753130
    Abstract: A well bore liner placement method and apparatus, including inserting a liner running assembly carrying a liner into a well bore, the assembly including a liner placement apparatus having an annular seal extending radially to sealingly engage the well bore, and pumping fluid into the annulus above the annular seal until fluid pressure on the upper surface area of the annular seal creates a force exceeding opposing bottomhole forces below the annular seal and thereby driving the liner down the well bore.
    Type: Grant
    Filed: March 21, 2006
    Date of Patent: July 13, 2010
    Assignee: BBJ Tools Inc.
    Inventor: Bradley R. Cote
  • Patent number: 7735552
    Abstract: A packer cup for use inside a wellbore. In one embodiment, the packer cup includes a body, a support member disposed inside the body and one or more support layers disposed against an inside diameter of the support member.
    Type: Grant
    Filed: November 30, 2005
    Date of Patent: June 15, 2010
    Assignee: Schlumberger Technology Corporation
    Inventor: Zheng Rong Xu
  • Patent number: 7735568
    Abstract: The present invention provides a packer cup system for use inside a wellbore comprising a packer cup and a backup component coupled thereto. In one configuration, the backup component further comprises an angled support member and a rubber ring disposed between the angled support member and the packer cup. The support member is configured to facilitate uniform expansion of the rubber ring.
    Type: Grant
    Filed: February 28, 2007
    Date of Patent: June 15, 2010
    Assignee: Schlumberger Technology Corporation
    Inventors: Zheng Rong Xu, Chad Lucas, Richard Morrison
  • Patent number: 7708061
    Abstract: A cup tool includes a cup tool tube having a threaded upper end for connection to a high-pressure mandrel, an outer surface over which an elastomeric cup is slidably mounted for reciprocal movement from an unset position for entry into a wellbore to a set position in which an annular gap is obstructed to contain fluid pressure below the elastomeric cup. The outer surface of the cup tool tube has a lower region of a first diameter and an upper region with a second, larger diameter and a tapered region between the upper region and the lower region. The elastomeric cup includes a lip seal that rides against the outer surface of the cup tool tube, and seals against the tapered region of the cup tool tube to provide a high pressure seal between the cup tool tube and the elastomeric cup in the set position.
    Type: Grant
    Filed: July 24, 2007
    Date of Patent: May 4, 2010
    Assignee: Stinger Wellhead Protection, Inc.
    Inventors: Bob McGuire, Danny Lee Artherholt
  • Patent number: 7708062
    Abstract: A retrievable packer assembly for use in operations into wellbores is provided. The packer assembly comprises a continuous mandrel with a valve body including seal cups to seal against an inner surface of a casing, and a gap defined between the valve body and the mandrel to permit or prevent circulation of fluid between the interior of the mandrel and a section of the casing above the seal cups in response to the movement of the valve body.
    Type: Grant
    Filed: July 23, 2008
    Date of Patent: May 4, 2010
    Inventor: Gustavo Ignacio Carro
  • Publication number: 20100101807
    Abstract: A downhole apparatus and for use in a well bore and associated method are disclosed. The downhole apparatus includes a center mandrel. A slip means is disposed on the mandrel. The slip means can include teeth or the like for grippingly engaging the well bore when in a set position. A packer cup is also disposed on the mandrel. The packer cup is provided for sealing an annulus between the mandrel and the well bore. The packer cup is slidable relative to the mandrel, and can be controlled to slide along the mandrel in order to move the slip to the set position. Also disclosed is a downhole assembly that includes a downhole tool and a setting apparatus. The setting apparatus can be used for lowering the downhole apparatus to a desired setting depth and then releasing the downhole apparatus.
    Type: Application
    Filed: October 27, 2008
    Publication date: April 29, 2010
    Inventors: Donald Roy Greenlee, Donald Jonathan Greenlee