1
Terizhandur S Ramakrishnan, R K Michael Thambynayagam: Real time monitoring and control of downhole reservoirs. Schlumberger Technology Corporation, David P Gordon, William B Batzer, November 30, 1999: US05992519 (206 worldwide citation)

The method for the active or automated control of the reservoir uses a reservoir model with available data such as seismic, log, and core data as inputs, and uses the reservoir model in conjunction with a reservoir simulation tool in order to determine a production strategy which will maximize certa ...


2
James M Upchurch: Well tool control system and method. Schlumberger Technology Corporation, Henry N Garrana, John H Bouchard, August 15, 1989: US04856595 (97 worldwide citation)

In accordance with illustrative embodiments disclosed herein, a formation testing tool suspended in a well on a pipe string includes a valve actuator control system which responds to a command signal having a certain signature. The command signal is applied at the surface to the well annulus, and in ...


3
Lawrence R Lamp: Remote well head controller with secure communications port. Fay Sharpe Beall Fagan Minnich & McKee, July 21, 1992: US05132904 (87 worldwide citation)

A gas and oil well controller includes a microcomputer control circuit which can control well production by monitoring well pressure levels, by time limitations, or any combination of the two. The controller includes a casing pressure sensor, a tubing pressure sensor for sensing casing/tubing differ ...


4
Ewan O Robb, Jeffry W Huggins, Roderick B Falconer, Michael Gardner: Remote actuated plug method. Halliburton Energy Services, Paul I Herman, Marlin R Smith, December 19, 2000: US06161622 (85 worldwide citation)

Apparatus and associated methods are provided for remotely actuating a plug apparatus in a subterranean well. In a described embodiment, a plug apparatus has a plug member blocking fluid flow through one of two flow passages of the plug apparatus. A predetermined fluid pressure applied to one of the ...


5
Dwayne D Leismer, Thomas G Hill Jr, Arthur J Morris: Downhole multiplexer and related methods. Camco International, Goldstein & Healey, June 19, 2001: US06247536 (74 worldwide citation)

In a broad aspect, the present invention is a downhole hydraulic multiplexer, which is comprised of one or more piloted shuttle valves, and method of using. The invention takes one or more input signals from a surface control panel or computer, said signals may be electric or hydraulic, and converts ...


6
Conner Sr George Eugene: Self-contained valve control system. May 30, 1972: US3665955 (68 worldwide citation)

The valve control system of the present invention includes a self-contained operator having a control means and power source adapted to energize a prime mover which in turn is coupled with a motion transmitting means which partially or completely opens or closes a fluid flow passage in a valve. In t ...


7
Glen A Dixon, Clark E McCloskey, David L Chambers, Woodrow D Hawk, Oliver W McCracken: Well production controller system. Otis Engineering Corporation, H Mathews Garland, January 6, 1987: US04633954 (66 worldwide citation)

A fully programmable system for controlling the operation of one or more gas or oil production wells by controlling the intermittent operation of the wells in response to either programmed information or monitored and measured criteria related to the wells themselves. The system includes battery pow ...


8
Lawrence R Lamp: Gas and oil well controller. Multi Products Company, Fay Sharpe Beall Fagan Minnich & McKee, February 5, 1991: US04989671 (61 worldwide citation)

A gas and oil well controller includes a microcomputer control circuit which can control well production by monitoring well pressure levels, by time limitations, or any combination of the two. The controller includes a casing pressure sensor, a tubing pressure sensor, and a line pressure sensor for ...


9
Glenn A Dixon, Clark E McCloskey, David L Chambers, Woodrow D Hawk, Oliver W McCracken: Well production controller system. Otis Engineering Corporation, August 11, 1987: US04685522 (59 worldwide citation)

A fully programmable system for controlling the operation of one or more gas or oil production wells by controlling the intermittent operation of the wells in response to either programmed information or monitored and measured criteria related to the wells themselves. The system includes battery pow ...


10
Sizer Phillip S, Carroll Albert W: Well flow controlling method, apparatus and system. Otis Engineering Corporation, May 8, 1973: US3731742 (59 worldwide citation)

A method, apparatus, and system for controlling flow of well fluids from a well in response to sensing of a leak in the connections between the components of the well head or fire at the well head for closing off all flow from the well upon the occurrence of such condition. Encompassed is modificati ...