1
William Banning Vail III, James E Chitwood: Closed-loop conveyance systems for well servicing. Weatherford Lamb, Moser Patterson & Sheridan L, March 22, 2005: US06868906 (90 worldwide citation)

A closed-loop system is used to perform a variety of well services. The well services include well completion services, production and maintenance services, and enhanced recovery services. A closed-loop system to complete an oil and gas well is an automated system under computer control that execute ...


2
James E Chitwood, William Banning Vail III, William G Crossland, Damir S Skerl, Robert L Dekle: High power umbilicals for subterranean electric drilling machines and remotely operated vehicles. Smart Drilling and Completion, February 22, 2005: US06857486 (79 worldwide citation)

The method of providing in excess of 60 kilowatts of electrical power to the electrical motor of a subterranean electric drilling machine through a substantially neutrally buoyant composite umbilical containing electrical conductors to reduce the frictional drag on the neutrally buoyant umbilical. D ...


3
William Banning Vail III, James E Chitwood: Method and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells. Weatherford Lamb, Moser Patterson & Sheridan L, May 23, 2006: US07048050 (42 worldwide citation)

The steel drill string attached to a drilling bit during typical rotary drilling operations used to drill oil and gas wells is used for a second purpose as the casing that is cemented in place during typical oil and gas well completions. Methods of operation are described that provide for the effici ...


4
James E Chitwood, William Banning Vail III, Damir S Skerl, Robert L Dekle, William G Crossland: High power umbilicals for electric flowline immersion heating of produced hydrocarbons. Smart Drilling and Completion, April 25, 2006: US07032658 (35 worldwide citation)

Methods and apparatus for installing electrically heated composite umbilicals within subsea flowlines containing produced hydrocarbons as immersion heaters to prevent waxes and hydrates from forming within the subsea flowlines that could block the flowlines. The electrically heated composite umbilic ...


5
James E Chitwood, William Banning Vail III, Damir S Skerl, Robert L Dekle, William G Crossland: Substantially neutrally buoyant and positively buoyant electrically heated flowlines for production of subsea hydrocarbons. Smart Drilling and Completion, December 25, 2007: US07311151 (31 worldwide citation)

A flowline is described for producing hydrocarbons from a subsea well that is comprised of a substantially neutrally buoyant tubular composite umbilical. The flowline may possess electrical heating apparatus within the tubular walls of the tubular composite umbilical to prevent waxes and hydrates fr ...


6
William Banning Vail III, James E Chitwood: Methods and apparatus to convey electrical pumping systems into wellbores to complete oil and gas wells. Weatherford Lamb, Patterson & Sheridan, February 5, 2008: US07325606 (29 worldwide citation)

Methods and apparatus are disclosed for conveying an electrically energized progressing cavity pump into a wellbore surrounded by steel casing and thereafter using that progressing cavity pump to pump oil, water and gas to the surface of the earth. The progressing cavity pump self-powers itself into ...


7
William Banning Vail III, James E Chitwood: Methods and apparatus to convey electrical pumping systems into wellbores to complete oil and gas wells. Weatherford Lamb, Patterson & Sheridan, November 23, 2010: US07836950 (17 worldwide citation)

Methods and apparatus are disclosed for conveying an electrically energized hydraulic pump into a wellbore surrounded by steel casing and thereafter using that hydraulic pump to pump oil, water and gas to the surface of the earth. The apparatus may be used as a well tractor conveyance system to serv ...


8
William Banning Vail III, James E Chitwood: Method and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells. Weatherford Lamb, Patterson & Sheridan L, June 12, 2007: US07228901 (11 worldwide citation)

The steel drill string attached to a drilling bit during typical rotary drilling operations used to drill oil and gas wells is used for a second purpose as the casing that is cemented in place during typical oil and gas well completions. Methods of operation are described that provide for the effici ...


9
James E Chitwood, William Banning Vail III, Damir S Skerl, Robert L Dekle, William G Crossland: High power umbilicals for subterranean electric drilling machines and remotely operated vehicles. Smart Drilling and Completion, January 15, 2013: US08353348 (11 worldwide citation)

Method and required apparatus to provide the closed-loop feedback control of a remote electric motor that has specific required operating parameters which is used to turn a rotary drill bit to drill a borehole in the earth that receives electrical energy through a long umbilical possessing insulated ...


10
James E Chitwood: Composite tubular and methods. Texaco, Harold J Howrey & Simon Delhommer, August 29, 2000: US06109834 (8 worldwide citation)

The present invention relates to an apparatus and methods for coupling objects that are displaced from one another. In particular, the present invention relates to an apparatus and methods for providing a connection member, for coupling objects that are displaced from one another, that is able to ad ...