1
Charles C Counselman: Method and system for determining position on a moving platform, such as a ship, using signals from GPS satellites. Western Atlas International, Norman E Brunell, E Eugene Thigpen, January 16, 1990: US04894662 (261 worldwide citation)

Method and apparatus are disclosed for accurately determining position from GPS satellites and received on a ship using C/A code group delay observable TAU, 308 f.sub.o implicit carrier phase observable PHI, L1 band implicit f.sub.o carrier residual phase observable PSI.sub.L1, and L2 band implicit ...


2
Steven R Erbstoesser, Claude E Cooke Jr, Richard G Sinclair, Michael M Epstein: Method for reducing the permeability of subterranean formations. Exxon Production Research Co, K C Johnson, E Eugene Thigpen, June 14, 1983: US04387769 (217 worldwide citation)

The present invention relates generally to the composition and method for reducing the permeability of subterranean formations penetrated by a wellbore. The composition of the present invention comprises a wellbore fluid having dispersed therein a fluid loss control agent comprising a polyester poly ...


3
Charles C Counselman III: Multi-antenna gas receiver for seismic survey vessels. Western Atlas International, Norman E Brunell, E Eugene Thigpen, February 28, 1989: US04809005 (195 worldwide citation)

Method and apparatus are disclosed for accurately determining position from GPS satellites and received on a ship using observations of C/A code group delay, L1 band center frequency carrier phase, L1 band 5.115 MHz implicit carrier phase, and L2 band 5.115 MHz implicit carrier phase. A precise meas ...


4
James Minto: System for generating a seismic signal in a borehole. Tomoseis Corporation, E Eugene Thigpen, February 27, 2001: US06193010 (161 worldwide citation)

The invention is an apparatus for generating a seismic signal in a fluid filled borehole which includes an elongated housing formed from a gas impermeable material and a controlled frequency energy source within said housing. The housing has an external shape which expands and contracts in response ...


5
James Minto: Apparatus and method for attenuating tube waves in a borehole. Tomoseis Corporation, E Eugene Thigpen, March 6, 2001: US06196350 (158 worldwide citation)

In one embodiment the invention comprises a method of gathering borehole seismic data in which a borehole acoustic instrument is lowered into a borehole in the earth's surface along with a canister positioned about the instrument and a second open bottomed canister positioned below the instrume ...


6
John K Washbourne: System for eliminating headwaves in a tomographic process. Tomoseis Corporation, E Eugene Thigpen, July 31, 2001: US06269310 (156 worldwide citation)

The invention comprises a method for processing crosswell seismic data from a region of the earth's subsurface generated by transmitting a seismic signal from a plurality of source positions within at least one borehole within said region and detecting said seismic signal at a plurality of rece ...


7
Charles C Counselman III: System for simultaneously deriving position information from a plurality of satellite transmissions. Western Atlas International, E Eugene Thigpen, May 7, 1991: US05014066 (82 worldwide citation)

A method and a system are disclosed for measuring the baseline vector b between a pair of survey marks on the ground by radio interferometry using radio signals broadcast from the earth orbiting satellites of the NAVSTAR Global Positioning System (GPS), the radio signals broadcast by the satellites ...


8
Michael W Norris: Apparatus and method for acquiring seismic data. Western Atlas International, E Eugene Thigpen, April 22, 1997: US05623455 (77 worldwide citation)

A seismic data acquisition system utilizing a plurality of remote units, each remote unit being coupled to a plurality of receivers placed spaced apart on the earth's surface is provided. The remote units acquire seismic data from their associated receivers in response to a seismic shock wave induce ...


9
Craig J Beasley, Ronald E Chambers: Methods for acquiring and processing seismic data. Western Atlas International, E Eugene Thigpen, July 13, 1999: US05924049 (76 worldwide citation)

A method for acquiring and processing seismic survey data from two or more seismic sources activated simultaneously or nearly simultaneously or for a single source moved to and fired at different locations. In one aspect such a method includes acquiring seismic survey trace data generated by the sou ...


10
Ralph A Landrum Jr: Western Atlas International, E Eugene Thigpen, December 22, 1987: US04715020 (68 worldwide citation)

The invention is a method of performing a plurality of vibratory seismic surveys simultaneously. A plurality of vibratory sources transmit signals into the earth. Each vibratory source successively transmits the same signal, except that an offset phase of the signal is selectively shifted for succes ...