21
Charles C Counselman III: Continuous wave interference rejection for reconstructed carrier receivers. Western Atlas International, Norman E Brunell, E Eugene Thigpen, August 22, 1989: US04860018 (45 worldwide citation)

System and method are disclosed for determining position related data from spread spectrum signals using reconstructed carrier receivers with continuous wave interference rejection. The spread spectrum signals are collected at a mark with a substantially omni-directional antenna and continuous wave ...


22
Tor A Haughland, Mark Houston, Philip M Fontana: Marine seismic source array. Western Atlas International, E Eugene Thigpen, January 26, 1988: US04721180 (41 worldwide citation)

The invention is a deployment system for a marine seismic source array. A plurality of sources are suspended at different depths from a float. The system is adapted for deploying the float and the sources into the water and retrieving them for reloading onto the vessel. When the float is positioned ...


23
Charles C Counselman III: System for simultaneously deriving position information from a plurality of satellite transmissions. Western Atlas International, E Eugene Thigpen, March 16, 1993: US05194871 (38 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 ...


24
Mark C Moyer: Inspection apparatus for electromagnetically detecting flaws in the wall of a pipe. Exxon Production Research Co, E Eugene Thigpen, April 9, 1985: US04510447 (37 worldwide citation)

Apparatus for detecting flaws in the wall of a ferromagnetic pipe is disclosed. The apparatus comprises an electromagnetic having poles in slideable contact with the surface of the wall of the ferromagnetic pipe to form a closed magnetic circuit and means for electrically connecting the coil of the ...


25
Joseph F Mifsud: Exxon Production Research Company, E Eugene Thigpen, September 20, 1977: US04049077 (36 worldwide citation)

This invention is a control system for a hydraulic vibrator that permits the injection into the ground of seismic signals having pseudo-random code patterns or other broad band signals. Feedback for controlling vibrator operation is taken from the coupling plate. At low frequencies, the feedback is ...


26
Bob A Hardage: Method for predicting formation pore-pressure while drilling. Western Atlas International, E Eugene Thigpen, September 1, 1992: US05144589 (35 worldwide citation)

A method for predicting the formation pore-pressure ahead of the drill bit while drilling is disclosed. During the drilling process, the drill bit impacting the earth generates a seismic signal. The seismic signal propagate away from the drill bit in a radial fashion with some rays paths propagating ...


27
Kurt Martin Strack: Integrated borehole system for reservoir detection and monitoring. KJT Enterprises, E Eugene Thigpen, April 1, 2003: US06541975 (35 worldwide citation)

In one embodiment the invention comprises a system for generating an image of an Earth formation surrounding a borehole penetrating the formation. Resistivity of the formation is measured using a DC measurement, and conductivity and resistivity of the formations is measured with a time domain signal ...


28
Stig Rune Lennart Tenghamn, Andre Stenzel: Marine seismic streamer having acoustic isolation between strength members and sensor mounting. PGS Geophysical, E Eugene Thigpen, Richard A Fagin, November 20, 2007: US07298672 (34 worldwide citation)

A seismic streamer includes a jacket covering an exterior of the streamer. At least one strength member extends along the length of and is disposed inside the jacket. At least one seismic sensor is disposed in a sensor spacer mounted to the at least one strength member. The streamer includes means f ...


29
Marit Ronaess, Ulf Peter Lindqvist: Method and apparatus for reducing induction noise in measurements made with a towed electromagnetic survey system. PGS Geophysical, E Eugene Thigpen, Richard A Fagin, March 2, 2010: US07671598 (34 worldwide citation)

A method for reducing motion induced voltage in marine electromagnetic measurements includes measuring an electromagnetic field parameter at at least one position along a sensor cable towed through a body of water. Motion of the sensor cable is measured at at least one position along the cable; Volt ...


30
Charles C Counselman III: System for determining position from suppressed carrier radio waves. Western Atlas International, E Eugene Thigpen, January 24, 1995: US05384574 (33 worldwide citation)

The invention is a system for determining position by measuring phases of suppressed carrier-waves implicit in radio signals received from earth-orbiting satellites which include receiving the signals from a plurality of satellites simultaneously by means of an omnidirectional antenna, separating th ...