1
John L Bearden, John W Harrell, Jerald R Rider, Gordon L Besser, Michael H Johnson, Paulo S Tubel, Larry A Watkins, Daniel J Turick, Joseph F Donovan, J V Henry, Dick L Knox: Electrical submersible pump and methods for enhanced utilization of electrical submersible pumps in the completion and production of wellbores. Baker Hughes Incorporated, Felsman Bradley Vaden Gunter & Dillon, January 2, 2001: US06167965 (111 worldwide citation)

An improved electrical submersible pump is disclosed in which a processor downhole is utilized to monitor one or more subsurface conditions, to record data, and to alter at least one operating condition of the electrical submersible pump. Novel uses are described for downhole gas compression, the de ...


2
Larry A Watkins, John W Graham: Method of gravel packing a well. Exxon Production Research Company, Michael A Nametz, Gary D Lawson, November 28, 1978: US04127173 (105 worldwide citation)

A method of forming a gravel pack in a wellbore is disclosed which involves disposing a pipe adjacent the incompetent formation, depositing gravel around the pipe, consolidating the resulting gravel bed using a suitable resinous material, and removing the pipe to leave a high permeability, high stre ...


3
John W Harrell, Michael H Johnson, Daniel J Turick, Larry A Watkins: Method and apparatus for drilling and completing wells. Baker Hughes Incorporated, Gerald W Spinks, September 16, 1997: US05667023 (94 worldwide citation)

A method and apparatus for drilling and completing a bore hole are disclosed. The method comprises positioning a work string in the well, with a bottom hole assembly attached. The bottom hole assembly can include a drill bit, a drilling motor, orientation instrumentation, and a completion assembly. ...


4
Larry A Watkins, Leon H Robinson Jr: Apparatus for maintaining a coiled electric conductor in a drill string. Exxon Production Research Co, E Thomas Wheelock, November 22, 1983: US04416494 (53 worldwide citation)

Apparatus for downhole storage of an electrical conductor within a drill string in a borehole. The conductor is stored as a coil in a flexible storage means. The apparatus is desirably used to eliminate the short lengths of cable and the associated connectors which are normally added with each new s ...


5
Sven Krueger, Volker Krueger, Peter Aronstam, Harald Grimmer, Roger W Fincher, Larry A Watkins: Active controlled bottomhole pressure system and method with continuous circulation system. Baker Hughes Incorporated, Mossman Kumar & Tyler PC, October 5, 2010: US07806203 (40 worldwide citation)

An APD Device provides a pressure differential in a wellbore to control dynamic pressure loss while drilling fluid is continuously circulated in the wellbore. A continuous circulation system circulates fluid both during drilling of the wellbore and when the drilling is stopped. Operating the APD Dev ...


6
Sven Krueger, Volker Krueger, Harald Grimmer, Roger W Fincher, Larry A Watkins, Peter Aronstam, Peter Fontana: Control systems and methods for real-time downhole pressure management (ECD control). Baker Hughes Incorporated, Mossman Kumar & Tyler PC, May 25, 2010: US07721822 (34 worldwide citation)

Methods and control systems are provided for a wellbore drilling system having an active differential pressure device (APD device) in fluid communication with a returning fluid. The APD Device creates a differential pressure across the device, which reduces the pressure below or downhole of the devi ...


7
Joseph F Donovan, Michael H Johnson, Daniel J Turick, Larry A Watkins, Wallace W F Leung: Method and apparatus for well bore construction. Baker Hughes Incorporated, Umesh M Desai, Carl A Rowold, June 9, 1998: US05762149 (33 worldwide citation)

A system for producing a field is disclosed. The field includes a main access well with a first branch well extending therefrom. A separator for separating oil and water is placed in the first branch well. In an alternate embodiment, the separator may be contained within the main access well. A seco ...


8
Sven Krueger, Volker Krueger, Harald Grimmer, Larry A Watkins, Peter Aronstam, Peter Fontana, Roger W Fincher: Control systems and methods for active controlled bottomhole pressure systems. Baker Hughes Incorporated, Madan Mossman & Sriram P C, April 8, 2008: US07353887 (28 worldwide citation)

An active differential pressure device (APD device) in fluid communication with a returning fluid creates a differential pressure across the device, which controls pressure below the APD Device. In embodiments, a control unit controls the APD Device to provide a selected pressure differential at a w ...


9
Larry A Watkins: Method and apparatus for gravel packing wells. Exxon Production Research Company, Salvatore J Casamassima, April 19, 1977: US04018283 (25 worldwide citation)

The perforations of a tubular pipe are sealed with a selectively removable plugging material. The pipe is then wire wrapped to form a well screen. The annular passage defined by the pipe and wire wrapping is restricted enough so that the flow resistance in the annular passage is sufficient to mainta ...


10
Larry A Watkins, John W Graham, William M Salathiel: Method for controlling fines migrations. Exxon Production Research Company, Salvatore J Casamassima, April 19, 1977: US04018285 (25 worldwide citation)

A method of controlling the migration of fines in a subterranean formation comprising contacting the formation with a dilute resin solution; displacing the resin solution into the formation, preferably with an overflush oil, so as to leave behind a thin film of resin solution; extracting the diluent ...