Dallas; L. Murray

Patent Applications and Registrations

Patent applications and USPTO patent grants for Dallas; L. Murray.The latest application filed is for "multi-lock adapters for independent screwed wellheads and methods of using same".

Company Profile

0.85.72

Dallas; L. Murray - Streetman TX
Dallas; L. Murray - Fairview TX
Dallas; L. Murray - Fairfield TX
Dallas; L. Murray - Allen TX
Dallas; L. Murray - Calgary Alberta CA

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
High-pressure plug valve Grant 8,297,592 - McGuire , et al. October 30, 2	2012-10-30
High-pressure threaded union with metal-to-metal seal, and metal ring gasket for same Grant 8,205,916 - Dallas , et al. June 26, 2	2012-06-26
Hybrid wellhead system and method of use Grant 8,118,090 - Dallas , et al. February 21, 2	2012-02-21
Fracturing head with replaceable inserts for improved wear resistance and method of refurbishing same Grant 8,100,175 - McGuire , et al. January 24, 2	2012-01-24
Multi-lock adapters for independent screwed wellheads and methods of using same Grant 8,100,185 - McGuire , et al. January 24, 2	2012-01-24
Multi-lock Adapters For Independent Screwed Wellheads And Methods Of Using Same App 20110253384 - McGuire; Bob ; et al.	2011-10-20
Hybrid Wellhead System And Method Of Use App 20110198074 - McGuire; Bob ; et al.	2011-08-18
Multi-lock adapters for independent screwed wellheads and methods of using same Grant 7,984,758 - McGuire , et al. July 26, 2	2011-07-26
High-pressure Plug Valve App 20110175008 - McGuire; Bob ; et al.	2011-07-21
High-pressure Threaded Union With Metal-to-metal Seal, And Metal Ring Gasket For Same App 20110175349 - Dallas; L. Murray ; et al.	2011-07-21
Fracturing Head With Replaceable Inserts For Improved Wear Resistance And Method Of Refurbishing Same App 20110168384 - McGuire; Bob ; et al.	2011-07-14
Slip spool assembly and method of using same Grant 7,967,086 - McGuire , et al. June 28, 2	2011-06-28
Gate valve with replaceable inserts and method of refurbishing same Grant 7,950,410 - McGuire , et al. May 31, 2	2011-05-31
High-pressure plug valve Grant 7,946,558 - McGuire , et al. May 24, 2	2011-05-24
Fracturing head with replaceable inserts for improved wear resistance and method of refurbishing same Grant 7,934,546 - McGuire , et al. May 3, 2	2011-05-03
High-pressure threaded union with metal-to-metal seal, and metal ring gasket for same Grant 7,922,216 - Dallas , et al. April 12, 2	2011-04-12
Hybrid wellhead system and method of use Grant 7,905,293 - Dallas , et al. March 15, 2	2011-03-15
Method of subsurface lubrication to facilitate well completion, re-completion and workover Grant 7,896,087 - Dallas March 1, 2	2011-03-01
System and method for low-pressure well completion Grant 7,886,833 - McGuire , et al. February 15, 2	2011-02-15
Configurable wellhead system with permanent fracturing spool and method of use Grant 7,857,062 - Dallas December 28, 2	2010-12-28
Slip Spool Assembly And Method Of Using Same App 20100258294 - McGuire; Bob ; et al.	2010-10-14
Hybrid Wellhead System And Method Of Use App 20100218939 - McGuire; Bob ; et al.	2010-09-02
High-pressure Plug Valve App 20100187461 - McGuire; Bob ; et al.	2010-07-29
Multi-lock Adapters For Independent Screwed Wellheads And Methods Of Using Same App 20100181063 - McGuire; Bob ; et al.	2010-07-22
Slip spool assembly and method of using same Grant 7,743,856 - McGuire , et al. June 29, 2	2010-06-29
Hybrid wellhead system and method of use Grant 7,721,808 - Dallas , et al. May 25, 2	2010-05-25
Multi-lock adapters for independent screwed wellheads and methods of using same Grant 7,708,079 - McGuire , et al. May 4, 2	2010-05-04
Method of refurbishing a high-pressure plug valve Grant 7,703,205 - McGuire , et al. April 27, 2	2010-04-27
High-pressure Threaded Union With Metal-to-metal Seal, And Metal Ring Gasket For Same App 20100096852 - Dallas; L. Murray ; et al.	2010-04-22
Fracturing Head With Replaceable Inserts For Improved Wear Resistance And Method Of Refurbishing Same App 20100051258 - McGuire; Bob ; et al.	2010-03-04
High-pressure threaded union with metal-to-metal seal, and metal ring gasket for same Grant 7,654,585 - Dallas , et al. February 2, 2	2010-02-02
Drilling flange and independent screwed wellhead with metal-to-metal seal and method of use Grant 7,650,936 - McGuire , et al. January 26, 2	2010-01-26
Fracturing head with replaceable inserts for improved wear resistance and method of refurbishing same Grant 7,628,201 - McGuire , et al. December 8, 2	2009-12-08
Configurable Wellhead System With Permanent Fracturing Spool And Method Of Use App 20090283277 - Dallas; L. Murray	2009-11-19
Subsurface Lubricator And Method Of Use App 20090277627 - Dallas; L. Murray	2009-11-12
Method Of Subsurface Lubrication To Facilitate Well Completion, Re-completion And Workover App 20090277647 - DALLAS; L. Murray	2009-11-12
Wellhead and control stack pressure test plug tool Grant 7,604,050 - Dallas , et al. October 20, 2	2009-10-20
Method of subsurface lubrication to facilitate well completion, re-completion and workover Grant 7,584,797 - Dallas September 8, 2	2009-09-08
Subsurface lubricator and method of use Grant 7,584,798 - Dallas September 8, 2	2009-09-08
Configurable wellhead system with permanent fracturing spool and method of use Grant 7,578,351 - Dallas August 25, 2	2009-08-25
Hybrid Wellhead System And Method Of Use App 20090114397 - McGuire; Bob ; et al.	2009-05-07
Subsurface lubricator and method of use Grant 7,520,334 - Dallas April 21, 2	2009-04-21
Gate Valve With Replaceable Inserts And Method Of Refurbishing Same App 20090095933 - McGuire; Bob ; et al.	2009-04-16
Wellhead and control stack pressure test plug tool Grant 7,516,786 - Dallas , et al. April 14, 2	2009-04-14
High-pressure Threaded Union With Metal-to-metal Seal, And Metal Ring Gasket For Same App 20090091131 - Dallas; L. Murray ; et al.	2009-04-09
Drilling Flange And Independent Screwed Wellhead With Metal-to-metal Seal And Method Of Use App 20090084538 - McGuire; Bob ; et al.	2009-04-02
Gate valve with replaceable inserts and method of refurbishing same Grant 7,506,660 - McGuire , et al. March 24, 2	2009-03-24
High-pressure threaded union with metal-to-metal seal, and metal ring gasket for same Grant 7,484,776 - Dallas , et al. February 3, 2	2009-02-03
Multi-lock Adapters For Independent Screwed Wellheads And Methods Of Using Same App 20090025925 - McGuire; Bob ; et al.	2009-01-29
Gate valve with replaceable inserts Grant 7,481,239 - McGuire , et al. January 27, 2	2009-01-27
Hybrid wellhead system and method of use Grant 7,481,269 - Dallas , et al. January 27, 2	2009-01-27
Drilling flange and independent screwed wellhead with metal-to-metal seal and method of use Grant 7,475,721 - McGuire , et al. January 13, 2	2009-01-13
Apparatus for controlling a tool having a mandrel that must be stroked into or out of a well Grant 7,438,126 - Dallas October 21, 2	2008-10-21
Wellhead and control stack pressure test plug tool App 20080251251 - Dallas; L. Murray ; et al.	2008-10-16
Multi-lock adapters for independent screwed wellheads and methods of using same Grant 7,428,931 - McGuire , et al. September 30, 2	2008-09-30
Casing mandrel with well stimulation tool and tubing head spool for use with the casing mandrel Grant 7,422,070 - Dallas , et al. September 9, 2	2008-09-09
Slip Spool Assembly and Method of Using Same App 20080196882 - McGuire; Bob ; et al.	2008-08-21
Hybrid wellhead system and method of use Grant 7,395,867 - McGuire , et al. July 8, 2	2008-07-08
Slip spool assembly and method of using same Grant 7,392,864 - McGuire , et al. July 1, 2	2008-07-01
Drilling Flange and Independent Screwed Wellhead With Metal-to-Metal Seal and Method of Use App 20080142210 - McGuire; Bob ; et al.	2008-06-19
Gate valve with replaceable inserts and method of refurbishing same App 20080093576 - McGuire; Bob ; et al.	2008-04-24
Hybrid wellhead system and method of use App 20080087415 - McGuire; Bob ; et al.	2008-04-17
Configurable wellhead system with permanent fracturing spool and method of use App 20080087439 - Dallas; L. Murray	2008-04-17
Subsurface lubricator and method of use App 20080078558 - Dallas; L. Murray	2008-04-03
Subsurface lubricator and method of use App 20080078557 - Dallas; L. Murray	2008-04-03
Drilling flange and independent screwed wellhead with metal-to-metal seal and method of use Grant 7,350,562 - McGuire , et al. April 1, 2	2008-04-01
System and method for low-pressure well completion App 20070289748 - McGuire; Bob ; et al.	2007-12-20
Multi-lock adapters for independent screwed wellheads and methods of using same App 20070277968 - McGuire; Bob ; et al.	2007-12-06
System and method for low-pressure well completion Grant 7,296,631 - McGuire , et al. November 20, 2	2007-11-20
Casing mandrel with well stimulation tool and tubing head spool for use with the casing mandrel App 20070251702 - Dallas; L. Murray ; et al.	2007-11-01
Cup tool, cup tool cup and method of using the cup tool Grant 7,278,477 - McGuire , et al. October 9, 2	2007-10-09
Blast joint swivel for wellhead isolation tool and method of using same Grant 7,278,490 - McGuire , et al. October 9, 2	2007-10-09
Casing transition nipple and method of casing a well to facilitate well completion, re-completion and workover App 20070227742 - Dallas; L. Murray	2007-10-04
Method of subsurface lubrication to facilitate well completion, re-completion and workover App 20070227743 - Dallas; L. Murray	2007-10-04
Multi-lock adapters for independent screwed wellheads and methods of using same Grant 7,267,180 - McGuire , et al. September 11, 2	2007-09-11
High-pressure plug valve App 20070193011 - McGuire; Bob ; et al.	2007-08-23
Apparatus for controlling a tool having a mandrel that must be stroked into or out of a well App 20070193734 - Dallas; L. Murray	2007-08-23
Fracturing head with replaceable inserts for improved wear resistance and method of refurbishing same App 20070187087 - McGuire; Bob ; et al.	2007-08-16
System and method for low-pressure well completion App 20070158077 - McGuire; Bob ; et al.	2007-07-12
Casing mandrel with well stimulation tool and tubing head spool for use with the casing mandrel Grant 7,237,615 - Dallas , et al. July 3, 2	2007-07-03
Wellhead and control stack pressure test plug tool App 20070125531 - Dallas; L. Murray ; et al.	2007-06-07
Hybrid wellhead system and method of use App 20070107910 - McGuire; Bob ; et al.	2007-05-17
Drilling flange and independent screwed wellhead with metal-to-metal seal and method of use App 20070102150 - McGuire; Bob ; et al.	2007-05-10
Fracturing head with replaceable inserts for improved wear resistance and method of refurbishing same Grant 7,213,641 - McGuire , et al. May 8, 2	2007-05-08
Apparatus for controlling a tool having a mandrel that must be stroked into or out of a well Grant 7,210,525 - Dallas May 1, 2	2007-05-01
Wellhead and control stack pressure test plug tool Grant 7,207,384 - Dallas , et al. April 24, 2	2007-04-24
High-pressure plug valve Grant 7,204,474 - McGuire , et al. April 17, 2	2007-04-17
Casing-engaging well tree isolation tool and method of use Grant 7,168,495 - Dallas , et al. January 30, 2	2007-01-30
Slip spool assembly and method of using same App 20070012486 - McGuire; Bob ; et al.	2007-01-18
High-pressure threaded union with metal-to-metal seal, and metal ring gasket for same App 20070013188 - Dallas; L. Murray ; et al.	2007-01-18
Hybrid wellhead system and method of use Grant 7,159,663 - McGuire , et al. January 9, 2	2007-01-09
Drilling flange and independent screwed wellhead with metal-to-metal seal and method of use Grant 7,159,652 - McGuire , et al. January 9, 2	2007-01-09
Casing mandrel with well stimulation tool and tubing head spool for use with the casing mandrel App 20060237193 - Dallas; L. Murray ; et al.	2006-10-26
Metal ring gasket for a threaded union Grant 7,125,055 - Dallas October 24, 2	2006-10-24
Multi-lock adapters for independent screwed wellheads and methods of using same App 20060196677 - McGuire; Bob ; et al.	2006-09-07
Blast joint swivel for wellhead isolation tool and method of using same App 20060137882 - McGuire; Bob ; et al.	2006-06-29
Casing mandrel with well stimulation tool and tubing head spool for use with the casing mandrel Grant 7,066,269 - Dallas , et al. June 27, 2	2006-06-27
Well stimulation tool and method for inserting a backpressure plug through a mandrel of the tool Grant 7,055,632 - Dallas June 6, 2	2006-06-06
Adapters for double-locking casing mandrel and method of using same Grant 7,040,410 - McGuire , et al. May 9, 2	2006-05-09
Gate valve with replaceable inserts and method of refurbishing same App 20060091347 - McGuire; Bob ; et al.	2006-05-04
Cup tool, cup tool cup and method of using the cup tool App 20060090904 - McGuire; Bob ; et al.	2006-05-04
Fracturing head with replaceable inserts for improved wear resistance and method of refurbishing same App 20060090891 - McGuire; Bob ; et al.	2006-05-04
Multi-lock adapters for independent screwed wellheads and methods of using same Grant 7,032,677 - McGuire , et al. April 25, 2	2006-04-25
High-pressure plug valve with replaceable inserts and method of refurbishing same App 20060027779 - McGuire; Bob ; et al.	2006-02-09
Casing-engaging well tree isolation tool and method of use App 20050217868 - Dallas, L. Murray ; et al.	2005-10-06
System and method for low-pressure well completion App 20050211442 - McGuire, Bob ; et al.	2005-09-29
Slip spool and method of using same Grant 6,948,565 - Dallas September 27, 2	2005-09-27
Coil tubing injector for injecting tubings of various diameters App 20050205267 - Dallas, L. Murray	2005-09-22
Wellhead and control stack pressure test plug tool App 20050199389 - Dallas, L. Murray ; et al.	2005-09-15
Backpressure adapter pin and methods of use Grant 6,938,696 - Dallas September 6, 2	2005-09-06
Backpressure adaptor pin and methods of use Grant 6,918,439 - Dallas July 19, 2	2005-07-19
Cup tool for high pressure mandrel Grant 6,918,441 - Dallas July 19, 2	2005-07-19
Metal ring gasket for a threaded union App 20050082829 - Dallas, L. Murray	2005-04-21
Hybrid wellhead system and method of use App 20050082066 - McGuire, Bob ; et al.	2005-04-21
Well stimulation tool an method for inserting a backpressure plug through a mandrel of the tool App 20050077043 - Dallas, L. Murray	2005-04-14
Drilling flange and independent screwed wellhead with metal-to-metal seal and method of use App 20050051362 - McGuire, Bob ; et al.	2005-03-10
Backpressure adapter pin and methods of use App 20050016736 - Dallas, L. Murray	2005-01-27
Adapters for double-locking casing mandrel and method of using same App 20050006103 - McGuire, Bob ; et al.	2005-01-13
Multi-lock adapters for independent screwed wellheads and methods of using same App 20040262012 - McGuire, Bob ; et al.	2004-12-30
Reciprocating lubricator Grant 6,827,147 - Dallas December 7, 2	2004-12-07
Casing mandrel with well stimulation tool and tubing head spool for use with the casing mandrel App 20040231856 - Dallas, L. Murray ; et al.	2004-11-25
Wall stimulation tool and method of using same Grant 6,817,423 - Dallas November 16, 2	2004-11-16
Blowout preventer protector and method of using same Grant 6,817,421 - Dallas November 16, 2	2004-11-16
Apparatus for controlling a tool having a mandrel that must be strocked into or out of a well App 20040173347 - Dallas, L. Murray	2004-09-09
Well stimulation tool and method of using same Grant 6,769,489 - Dallas August 3, 2	2004-08-03
Backpressure adapter pin and methods of use App 20040129429 - Dallas, L. Murray	2004-07-08
Spool for pressure containment used in rigless well completion, re-completion, servicing or workover Grant 6,712,147 - Dallas March 30, 2	2004-03-30
Cut tool for high pressure mandrel App 20040055742 - Dallas, L. Murray	2004-03-25
Slip spool and method of using same Grant 6,695,064 - Dallas February 24, 2	2004-02-24
Reciprocating lubricator App 20030221844 - Dallas, L. Murray	2003-12-04
Well stimulation tool and method of using same App 20030221838 - Dallas, L. Murray	2003-12-04
Blowout preventer protector and method of using same App 20030192698 - Dallas, L. Murray	2003-10-16
Blowout preventer protector and method of using same Grant 6,626,245 - Dallas September 30, 2	2003-09-30
Method and apparatus for inserting a tubing hanger into a live well Grant 6,595,297 - Dallas July 22, 2	2003-07-22
Slip spool and method of using same App 20030116326 - Dallas, L. Murray	2003-06-26
Well stimulation tool and method of using same App 20030116314 - Dallas, L. Murray	2003-06-26
Slip spool and method of using same App 20030111271 - Dallas, L. Murray	2003-06-19
Spool for pressure containment used in rigless well completion, re-completion, servicing or workover App 20030089502 - Dallas, L. Murray	2003-05-15
Dual string coil tubing injector assembly Grant 6,516,891 - Dallas February 11, 2	2003-02-11
Seal assembly for dual string coil tubing injection and method of use Grant 6,510,900 - Dallas January 28, 2	2003-01-28
Method and apparatus for perforating and stimulating oil wells Grant 6,491,098 - Dallas December 10, 2	2002-12-10
Method and apparatus for inserting a tubing hanger into a live well App 20020117308 - Dallas, L. Murray	2002-08-29
Seal assembly for dual string coil tubing injection and method of use App 20020104662 - Dallas, L. Murray	2002-08-08
Blowout preventer protector and method of using same Grant 6,364,024 - Dallas April 2, 2	2002-04-02
Blowout preventer protector and setting tool Grant 6,289,993 - Dallas September 18, 2	2001-09-18
High pressure fluid seal for sealing against a bit guide in a wellhead and method of using Grant 6,247,537 - Dallas June 19, 2	2001-06-19
Method and apparatus for well workover or servicing Grant 6,234,253 - Dallas May 22, 2	2001-05-22
Wellhead isolation tool and method of using same Grant 6,220,363 - Dallas April 24, 2	2001-04-24
Lockdown mechanism for well tools requiring fixed-point packoff Grant 6,179,053 - Dallas January 30, 2	2001-01-30
Apparatus for increasing the flow of production stimulation fluids through a wellhead Grant 5,927,403 - Dallas July 27, 1	1999-07-27
Blowout preventer protector for use during high pressure oil/gas well stimulation Grant 5,819,851 - Dallas October 13, 1	1998-10-13
Blowout preventer protector and method of using same during oil and gas well stimulation Grant 5,785,121 - Dallas July 28, 1	1998-07-28
Apparatus and method for completing and recompleting wells for production Grant 5,615,739 - Dallas April 1, 1	1997-04-01
Apparatus and method for completing/recompleting production wells Grant 5,540,282 - Dallas July 30, 1	1996-07-30
Wellhead isolation tool and method of use Grant 5,332,044 - Dallas , et al. July 26, 1	1994-07-26
Wellhead isolation tool and setting and method of using same Grant 4,867,243 - Garner , et al. September 19, 1	1989-09-19