1
Randy Gene Snider, David Shahin, Jim Allen, Kevin Gray, Gary Thompson: Top drive casing system. Weatherford Lamb, Moser Patterson & Sheridan L, March 25, 2003: US06536520 (178 worldwide citation)

A torque head for gripping tubular members, in at least some aspects, has a housing, grip mechanism secured within the housing, the grip mechanism for selectively gripping a tubular member, the grip mechanism including at least one jaw selectively movable toward and away from a portion of a tubular ...


2
Randy Gene Snider, David Shahin, Jim Allen, Kevin Gray, Gary Thompson: Top drive casing system. Weatherford Lamb, Patterson & Sheridan, May 11, 2010: US07712523 (35 worldwide citation)

A torque head for gripping tubular members, in at least some aspects, has a housing, grip mechanism secured within the housing, the grip mechanism for selectively gripping a tubular member, the grip mechanism including at least one jaw selectively movable toward and away from a portion of a tubular ...


3
Randy Gene Snider, David Othman Shahin, John Timothy Allen, Kevin Leon Gray, Gary Thompson: Top drive casing system. Weatherford Lamb, Patterson & Sheridan, September 14, 2010: US07793719 (31 worldwide citation)

A torque head for gripping tubular members, in at least some aspects, has a housing, grip mechanism secured within the housing, the grip mechanism for selectively gripping a tubular member, the grip mechanism including at least one jaw selectively movable toward and away from a portion of a tubular ...


4
Randy Gene Snider, David Othman Shahin, John Timothy Allen, Kevin Leon Gray, Gary Thompson: Top drive casing system. Weatherford Lamb, Patterson & Sheridan, April 5, 2011: US07918273 (8 worldwide citation)

A torque head for gripping tubular members, in at least some aspects, has a housing, grip mechanism secured within the housing, the grip mechanism for selectively gripping a tubular member, the grip mechanism including at least one jaw selectively movable toward and away from a portion of a tubular ...


5
Randy Gene Snider, David Othman Shahin, John Timothy Allen, Kevin Leon Gray, Gary Thompson: Top drive casing system. Weatherford Lamb, Patterson & Sheridan, July 31, 2012: US08230933 (1 worldwide citation)

A torque head for gripping tubular members, in at least some aspects, has a housing, grip mechanism secured within the housing, the grip mechanism for selectively gripping a tubular member, the grip mechanism including at least one jaw selectively movable toward and away from a portion of a tubular ...


6
William Banning Vail III, Tomislav Skerl, Damir S Skerl: Mud motor assembly. Smart Drilling and Completion, Sheridan Ross P C, April 4, 2017: US09611693 (1 worldwide citation)

A longer-lasting, lower cost, more powerful, all metal, mud motor than the presently available progressing cavity type mud motors for drilling boreholes into the earth. A mud motor apparatus possessing one single drive shaft that turns a rotary drill bit, which apparatus is attached to a drill pipe ...


7
William Banning Vail III: Mud motor assembly. Smart Drilling and Completion, Sheridan Ross P C, August 29, 2017: US09745799

A longer-lasting, lower cost, more powerful, all metal, mud motor than the presently available progressing cavity type mud motors for drilling boreholes into the earth. A mud motor apparatus possessing one single drive shaft that turns a rotary drill bit, which apparatus is attached to a drill pipe ...


8
William Banning Vail III, Robert L Dekle, Damir S Skerl, James E Chitwood: Universal drilling and completion system. Smart Drilling and Completion, Sheridan Ross P C, March 7, 2017: US09587435

Methods and apparatus are described to drill and complete wellbores. Such wellbores include extended reach horizontal wellbores, for example in shales, deep subsea extended reach wellbores, and multilateral wellbores. Specifically, the invention provides simple threaded subassemblies that are added ...


9
William Banning Vail III, Tomislav Skerl, Damir S Skerl: Mud motor assembly. Smart Drilling and Completion, Sheridan Ross P C, October 31, 2017: US09803424

A longer-lasting, lower cost, more powerful, all metal, mud motor than the presently available progressing cavity type mud motors for drilling boreholes into the earth. A mud motor apparatus possessing one single drive shaft that turns a rotary drill bit, which apparatus is attached to a drill pipe ...


10
Randy Gene Snider, David Othman Shahin, John Timothy Allen, Kevin Leon Gray, Gary Thompson: Top drive casing system. Weatherford Lamb, William B Patterson, Moser Patterson & Sheridan, September 18, 2003: US20030173073-A1

A torque head for gripping tubular members, in at least some aspects, has a housing, grip mechanism secured within the housing, the grip mechanism for selectively gripping a tubular member, the grip mechanism including at least one jaw selectively movable toward and away from a portion of a tubular ...