1
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 ...


2
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 ...


3
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 ...


4
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 ...


5
James E Chitwood, William Banning Vail, William G Crossland, Damir S Skerl, Robert L Dekle: High power umbilicals for subterranean electric drilling machines and remotely operated vehicles. William Banning Vail Iii, February 20, 2003: US20030034177-A1 (6 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 ...


6
James E Chitwood, William Banning Vail III, Damir S Skerl, Robert L Dekle, William G Crossland: Drilling apparatus. Smart Drilling and Completion, Sheridan Ross P C, March 15, 2016: US09284780 (1 worldwide citation)

A drilling apparatus comprised of a multiplicity of subassemblies for drilling an open-hole extension from within an existing cased borehole located in a geological formation for the production of oil and gas. In one embodiment, one subassembly includes a motor located within a cased section of the ...


7
James E Chitwood, William Banning Vail, Damir S Skerl, Robert L Dekle, William G Crossland: Substantially neutrally buoyant and positively buoyant electrically heated flowlines for production of subsea hydrocarbons. William Banning Vail Iii, December 9, 2004: US20040244982-A1

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 ...


8
James E Chitwood, William Banning Vail, Damir S Skerl, Robert L Dekle, William G Crossland: High power umbilicals for electric flowline immersion heating of produced hydrocarbons. William Banning Vail Iii, July 15, 2004: US20040134662-A1

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 ...


9
James E Chitwood, William Banning Vail, Damir S Skerl, Robert L Dekle, William G Crossland: High power umbilicals for electric flowline immersion heating of produced hydrocarbons. William Banning Vail Iii, June 26, 2008: US20080149343-A1

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 ...


10
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. William Banning Vail Iii, December 17, 2009: US20090308656-A1

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 ...