1
Michael A Carmody, Kevin R Jones, Robert J Coon, Douglas J Murray, Mark E Hopmann, Steven L Jennings, Wayne Welch, Jeffry Edwards, David Martin: Motor drive actuator for downhole flow control devices. Baker Hughes Incorporated, Cantor Colburn, March 28, 2000: US06041857 (60 worldwide citation)

Several motor driven embodiments are discussed which provide linear motion to a downhole flow control device. The embodiments employ ball screw assemblies or lead screw assemblies. A device for rotational actuation of a downhole flow control device is also disclosed.


2
Michael A Carmody, Kevin R Jones, Robert J Coon, Douglas J Murray, Mark E Hopmann, Steven L Jennings, Brian A Roth: Downhole flow control devices. Baker Hughes Incorporated, Canton Colburn, May 25, 1999: US05906238 (58 worldwide citation)

Several downhole flow control devices are disclosed which are meterable and are also capable of shutting of a particular zone in a well. The several embodiments include a multiple valve body, a toroidal inflatable valve, and a series of related choke systems. The downhole flow control choke mechanis ...


3
Mark E Hopmann: Method and apparatus for shifting a ported member using continuous tubing. Baker Hughes Incorporated, Hubbard Thurman Turner & Tucker, May 29, 1990: US04928772 (54 worldwide citation)

A method and apparatus are provided for introduction into a subterranean well on a continuous length of remedial tubing which is concentrically insertable through production tubing previously positioned within the well, the production tubing carrying at least one ported member for selective transmis ...


4
Michael A Carmody, Kevin R Jones, Robert J Coon, Douglas J Murray, Mark E Hopmann, Steven L Jennings, Brian A Roth: Downhole flow control devices. Baker Hughes Incorporated, Cantor Colburn, January 1, 2002: US06334486 (51 worldwide citation)

Several downhole flow control devices are disclosed which are meterable and are also capable of shutting of a particular zone in a well. The several embodiments include a multiple valve body, a toroidal inflatable valve, and a series of related choke systems. The downhole flow control choke mechanis ...


5
Richard L Forehand, Douglas J Murray, Mark E Hopmann, Ronald D Williams: Well tool with sealing means. Baker Hughes Incorporated, Melvin A Hunn, October 20, 1992: US05156220 (48 worldwide citation)

A downhole well tool is provided which includes a shifting sleeve for opening a flow communication port. The well tool includes first and second primary seal elements positioned upstream and downstream, respectively, of the port as well as upstream and downstream of the threaded connections between ...


6
Douglas J Murray, Robert J Coon, Mark E Hopmann, Ronald D Williams, Steve Jennings, Timothy R Tips: Well tool with sealing means. Baker Hughes Incorporated, Melvin A Hunn, Mark W Handley, May 31, 1994: US05316084 (44 worldwide citation)

A downhole well tool is provided which includes a shifting sleeve for opening a flow communication port. The well tool includes first and second primary seal elements positioned upstream and downstream, respectively, of the port as well as upstream and downstream of the threaded connections between ...


7
Robert J Coon, Steve Jennings, Mark E Hopmann: Chevron seal for a well tool. Baker Hughes Incorporated, Melvin A Hunn, Mark W Handley, May 10, 1994: US05309993 (39 worldwide citation)

A sealing apparatus is provided for sealing between concentric relatively moveable tubular members. The sealing apparatus is comprised of a plurality of retainer seal rings, made of a high temperature thermoplastic, and between each retainer seal ring is a thermoplastic seal ring constructed of a no ...


8
Michael A Carmody, Kevin R Jones, Robert J Coon, Douglas J Murray, Mark E Hopmann, Steven L Jennings: Electro hydraulic downhole control device. Baker Hughes Incorporated, Fishman Dionne Cantor & Colburn, November 10, 1998: US05832996 (38 worldwide citation)

A downhole controller for a flow control device. The controller is responsive to commands from the surface or from downhole and controls the flow device using a four way solenoid actuated spool valve and a hydraulically actuated piston system connected to the flow control device.


9
Michael A Carmody, Kevin R Jones, Robert J Coon, Douglas J Murray, Mark E Hopmann, Steven L Jennings, Brian A Roth: Downhole flow control devices. Baker Hughes Incorporated, Cantor Colburn, November 26, 2002: US06484800 (33 worldwide citation)

Several downhole flow control devices are disclosed which are meterable and are also capable of shutting of a particular zone in a well. The several embodiments include a multiple valve body, a toroidal inflatable valve, and a series of related choke systems. The downhole flow control choke mechanis ...


10
Mark E Hopmann, Douglas J Murray, Scott C Strattan: Method and apparatus for selectively shifting a tool member. Baker Hughes Incorporated, Hubbard Thurman Turner & Tucker, April 17, 1990: US04917191 (33 worldwide citation)

A method and apparatus are provided for selectively shifting a tool member in a subterranean well, such as a sliding sleeve of a ported element, which may be carried on a continuous length of remedial tubing, or other conduit into the well and insertable through a second conduit, such as production ...