1
Ian Gillis, Gary M Crase, Laurier E Comeau, Charles M Reid, Paul Roberts, Christopher W Konschuh, Richard Thomas Hay, Colin Walker: Adjustable gauge downhole drilling assembly. Halliburton Energy Services, Terrence N Kuharchuk, William Shull, Michael D McCully, December 11, 2001: US06328119 (32 worldwide citation)

A downhole drilling assembly including a housing having an upper end for connection to a drill string and a lower end, a fluid passage extending through the housing from the upper end to the lower end, a power unit contained within the housing, a drive assembly extending within the housing between t ...


2
Richard Thomas Hay, Colin Walker, John Ransford Hardin Jr: Command method for a steerable rotary drilling device. Halliburton Energy Services, Terrence N Kuharchuk, William Shull, Michael D McCully, September 27, 2005: US06948572 (29 worldwide citation)

In a drilling system of the type comprising a rotatable drilling string, a drilling string communication system and a drilling direction control device connected with the drilling string, a method is provided for issuing one or more commands to the drilling direction control device utilizing a chang ...


3
Richard Thomas Hay, Byron John Sand: Extension assembly for an electromagnetic antenna and method of connection. Halliburton Energy Services, Terrence N Kuharchuk, William Shull, Michael D McCully, March 11, 2003: US06531871 (20 worldwide citation)

An electromagnetic antenna extension assembly for connection downhole into a pipe string between a data transmission unit and an electromagnetic antenna. Further, a method for connecting the data transmission unit with the antenna utilizing the assembly. The antenna includes an outer antenna member ...


4
Dean Lee, Richard Thomas Hay, Nesto Humberto Gil, Kyler Tebbutt, Rodney A Schnell, Joe E Hess, Tracy Lorne Grills, Barry Gerard Ryan: Methods and apparatus for drilling, completing and configuring U-tube boreholes. Halliburton Energy Services, Schwegman Lundberg & Woessner P A, February 1, 2011: US07878270 (8 worldwide citation)

A borehole network including first and second end surface locations and at least one intermediate surface location interconnected by a subterranean path, and a method for connecting a subterranean path between a first borehole including a directional section and a second borehole including a directi ...


5
Dean Lee, Richard Thomas Hay, Nestor Humberto Gil, Kyler Tebbutt, Rodney A Schnell, Joe E Hess, Tracy Lorne Grills, Barry Gerard Ryan: Methods and apparatus for drilling, completing and configuring U-tube boreholes. Halliburton Energy Services, Schwegman Lundberg & Woessner P A, September 25, 2012: US08272447 (4 worldwide citation)

A borehole network including first and second end surface locations and at least one intermediate surface location interconnected by a subterranean path, and a method for connecting a subterranean path between a first borehole including a directional section and a second borehole including a directi ...


6
Dean Lee, Richard Thomas Hay, Nesto Humberto Gil, Kyler Tebbutt, Rodney A Schnell, Joe E Hess, Tracy Lorne Grills, Barry Gerard Ryan: Methods and apparatus for drilling, completing and configuring U-tube boreholes. Halliburton Energy Services, Schwegman Lundberg & Woessner P A, April 3, 2012: US08146685 (3 worldwide citation)

A borehole network including first and second end surface locations and at least one intermediate surface location interconnected by a subterranean path, and a method for connecting a subterranean path between a first borehole including a directional section and a second borehole including a directi ...


7
Paul F Rodney, David Lyle, Mac Upshall, Richard Thomas Hay: Well location determination apparatus, methods, and systems. Halliburton Energy Services, Schwegman Lundberg & Woessner P A, Alan Bryson, December 31, 2013: US08618803 (2 worldwide citation)

In some embodiments, apparatus and systems, as well as methods, may operate to launch a set of currents into a corresponding set of existing well casings; monitor, in a well under construction, changes in at least one of a magnetic field or an electric field perturbed by the set of currents after ea ...


8
Richard Thomas Hay, Mac Upshall, Christopher A Golla, Burkay Donderici: Rotationally-independent wellbore ranging. Halliburton Energy Services, Alan Bryson, Parker Justiss P C, November 29, 2016: US09506326 (1 worldwide citation)

A rotationally independent wellbore ranging system includes a housing which is attached to a rotary component positioned in a first wellbore and remains substantially stationary relative to the first wellbore when the rotary component rotates in the first wellbore. Multiple sensors affixed to the ho ...


9
Richard Thomas Hay, Robello Samuel: Apparatus and method for adjusting power units of downhole motors. Halliburton Energy Services, Alan Bryson, Fish & Richardson P C, December 2, 2014: US08899351 (1 worldwide citation)

A downhole drilling motor for well drilling operations includes a tubular housing and a stator disposed in the tubular housing. The stator defines an internal cavity passing therethrough, wherein the stator includes one or more lobes defining at least a portion of the cavity. A rotor is operatively ...


10
Richard Thomas Hay, Burkay Donderici: Rotatable sensors for measuring characteristics of subterranean formation. Halliburton Energy Services, Kilpatrick Townsend & Stockton, August 21, 2018: US10053978 (1 worldwide citation)

Sensor assemblies are described for measuring isotropic, anisotropic, or directionally dependent, characteristics of a subterranean formation. Sensor assemblies can include sensors deployed on a tool string. One or more of the sensors can be rotatable relative to the tool string. Rotating one or mor ...