Patents by Inventor Grant E. E. George
Grant E. E. George has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 6497288Abstract: A tool for running and retrieving a whipstock in a subterranean wellbore includes a tool body that has one end that is adapted to be connected to a pipe. The tool body includes a rail defined thereon that is adapted to selectively engage a slot defined on the whipstock. The pipe is in fluid communication with a bore defined in the tool body. The tool body includes a latch assembly for releasably connecting to the whipstock. The latch assembly is adapted to be moved when pressure is applied to the tool bore through the pipe thereby enabling the connection and disconnection of the latch assembly from the whipstock.Type: GrantFiled: June 15, 2001Date of Patent: December 24, 2002Assignee: Schlumberger Technology CorporationInventors: Grant E. E. George, Stephen M. Begg
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Patent number: 6419024Abstract: An assembly for formation and completion of deviated wellbores is disclosed which includes a toolguide and a casing section which can be used together or separately. The toolguide includes a lower orienting section and a whipstock having a sloping face, commonly known as the directional portion of a whipstock. The toolguide is coated with a material such as epoxy or polyurethane to provide a repairable surface and one which can be removed to facilitate removal of the toolguide from the well bore. The lower orienting section has a latch which extends radially outwardly from the section and can be locked in the outwardly biased position.Type: GrantFiled: June 15, 2001Date of Patent: July 16, 2002Assignee: Schlumberger Technology CorporationInventors: Grant E. E. George, Stephen M. Begg
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Patent number: 6419012Abstract: An assembly for formation and completion of deviated wellbores is disclosed which includes a toolguide and a casing section which can be used together or separately. The toolguide includes a lower orienting section and a whipstock having a sloping face, commonly known as the directional portion of a whipstock. The toolguide is coated with a material such as epoxy or polyurethane to provide a repairable surface and one which can be removed to facilitate removal of the toolguide from the well bore. The lower orienting section has a latch which extends radially outwardly from the section and can be locked in the outwardly biased position.Type: GrantFiled: June 15, 2001Date of Patent: July 16, 2002Assignee: Schlumberger Technology CorporationInventors: Grant E. E. George, Stephen M. Begg
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Patent number: 6419021Abstract: An assembly for formation and completion of deviated wellbores is disclosed which includes a toolguide and a casing section which can be used together or separately. The toolguide includes a lower orienting section and a whipstock having a sloping face, commonly known as the directional portion of a whipstock. The toolguide is coated with a material such as epoxy or polyurethane to provide a repairable surface and one which can be removed to facilitate removal of the toolguide from the well bore. The lower orienting section has a latch which extends radially outwardly from the section and can be locked in the outwardly biased position.Type: GrantFiled: June 15, 2001Date of Patent: July 16, 2002Assignee: Schlumberger Technology CorporationInventors: Grant E. E. George, Stephen M. Begg
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Patent number: 6419023Abstract: An assembly for formation and completion of deviated wellbores is disclosed which includes a toolguide and a casing section which can be used together or separately. The toolguide includes a lower orienting section and a whipstock having a sloping face, commonly known as the directional portion of a whipstock. The toolguide is coated with a material such as epoxy or polyurethane to provide a repairable surface and one which can be removed to facilitate removal of the toolguide from the well bore. The lower orienting section has a latch which extends radially outwardly from the section and can be locked in the outwardly biased position.Type: GrantFiled: June 15, 2001Date of Patent: July 16, 2002Assignee: Schlumberger Technology CorporationInventors: Grant E. E. George, Stephen M. Begg
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Patent number: 6386287Abstract: A wellbore casing, including a casing section, for deployment in a subterranean wellbore. The casing section includes a pre-milled windowed opening. A liner is disposed within the casing section covering the window opening from the inside. In addition, a rigid material is disposed outside of the casing section covering the window opening. A filer is located intermediate the casing section and the liner. The liner, filler and rigid material prevent cement from affecting the window opening when the casing section is being cemented in the wellbore.Type: GrantFiled: June 15, 2001Date of Patent: May 14, 2002Assignee: Schlumberger Technology CorporationInventor: Grant E. E. George
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Publication number: 20020029889Abstract: An assembly for formation and completion of deviated wellbores is disclosed which includes a toolguide and a casing section which can be used together or separately. The toolguide includes a lower orienting section and a whipstock having a sloping face, commonly known as the directional portion of a whipstock. The toolguide is coated with a material such as epoxy or polyurethane to provide a repairable surface and one which can be removed to facilitate removal of the toolguide from the well bore. The lower orienting section has a latch which extends radially outwardly from the section and can be locked in the outwardly biased position.Type: ApplicationFiled: June 15, 2001Publication date: March 14, 2002Inventors: Grant E.E. George, Stephen M. Begg
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Publication number: 20020023758Abstract: An assembly for formation and completion of deviated wellbores is disclosed which includes a toolguide and a casing section which can be used together or separately. The toolguide includes a lower orienting section and a whipstock having a sloping face, commonly known as the directional portion of a whipstock. The toolguide is coated with a material such as epoxy or polyurethane to provide a repairable surface and one which can be removed to facilitate removal of the toolguide from the well bore. The lower orienting section has a latch which extends radially outwardly from the section and can be locked in the outwardly biased position.Type: ApplicationFiled: June 15, 2001Publication date: February 28, 2002Inventors: Grant E. E. George, Stephen M. Begg
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Publication number: 20020023757Abstract: An assembly for formation and completion of deviated wellbores is disclosed which includes a toolguide and a casing section which can be used together or separately. The toolguide includes a lower orienting section and a whipstock having a sloping face, commonly known as the directional portion of a whipstock. The toolguide is coated with a material such as epoxy or polyurethane to provide a repairable surface and one which can be removed to facilitate removal of the toolguide from the well bore. The lower orienting section has a latch which extends radially outwardly from the section and can be locked in the outwardly biased position.Type: ApplicationFiled: June 15, 2001Publication date: February 28, 2002Inventors: Grant E.E. George, Stephen M. Begg
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Publication number: 20020023756Abstract: An assembly for formation and completion of deviated wellbores is disclosed which includes a toolguide and a casing section which can be used together or separately. The toolguide includes a lower orienting section and a whipstock having a sloping face, commonly known as the directional portion of a whipstock. The toolguide is coated with a material such as epoxy or polyurethane to provide a repairable surface and one which can be removed to facilitate removal of the toolguide from the well bore. The lower orienting section has a latch which extends radially outwardly from the section and can be locked in the outwardly biased position.Type: ApplicationFiled: June 15, 2001Publication date: February 28, 2002Inventors: Grant E.E. George, Stephen M. Begg
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Publication number: 20020023745Abstract: An assembly for formation and completion of deviated wellbores is disclosed which includes a toolguide and a casing section which can be used together or separately. The toolguide includes a lower orienting section and a whipstock having a sloping face, commonly known as the directional portion of a whipstock. The toolguide is coated with a material such as epoxy or polyurethane to provide a repairable surface and one which can be removed to facilitate removal of the toolguide from the well bore. The lower orienting section has a latch which extends radially outwardly from the section and can be locked in the outwardly biased position.Type: ApplicationFiled: June 15, 2001Publication date: February 28, 2002Inventors: Grant E.E. George, Stephen M. Begg
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Publication number: 20010027866Abstract: An assembly for formation and completion of deviated wellbores is disclosed which includes a toolguide and a casing section which can be used together or separately. The toolguide includes a lower orienting section and a whipstock having a sloping face, commonly known as the directional portion of a whipstock. The toolguide is coated with a material such as epoxy or polyurethane to provide a repairable surface and one which can be removed to facilitate removal of the toolguide from the well bore. The lower orienting section has a latch which extends radially outwardly from the section and can be locked in the outwardly biased position.Type: ApplicationFiled: June 15, 2001Publication date: October 11, 2001Inventor: Grant E.E. George
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Patent number: 6283208Abstract: An assembly for formation and completion of deviated wellbores is disclosed which includes a toolguide and a casing section which can be used together or separately. The toolguide includes a lower orienting section and a whipstock having a sloping face, commonly known as the directional portion of a whipstock. The toolguide is coated with a material such as epoxy or polyurethane to provide a repairable surface and one which can be removed to facilitate removal of the toolguide from the well bore. The lower orienting section has a latch which extends radially outwardly from the section and can be locked in the outwardly biased position.Type: GrantFiled: April 16, 1999Date of Patent: September 4, 2001Assignee: Schlumberger Technology Corp.Inventors: Grant E. E. George, Stephen M. Begg
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Patent number: 6253853Abstract: An injection fluid tubing assembly for handling a flow of fluid [is taught. The assembly] includes tube having a port formed through its wall, a sliding sleeve valve retained within the tube and moveable between a closed position in which it blocks the port and an open position for permitting the flow of fluid to pass through the port and a channel for diverting the flow through the port to prevent the flow from passing directly radially outwardly through the wall of the tube.Type: GrantFiled: October 5, 1998Date of Patent: July 3, 2001Assignee: Stellarton Energy CorporationInventor: Grant E. E. George
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Patent number: 6079488Abstract: The invention relates to a tieback hanger for connecting the liner of a lateral well bore to the parent well bore. The tieback hanger includes a spring which maintains a constant force on the tieback hanger to prevent it from protruding into the parent well bore.Type: GrantFiled: May 15, 1998Date of Patent: June 27, 2000Assignee: Schlumberger Technology CorporationInventors: Stephen M. Begg, Grant E. E. George