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GECO AS

NO40 patents

Top patents by PatentIndex Score

US5745436AApr 28, 1998

Semi-dry marine seismic streamer cable section

GECO AS59 citations95
US5668775ASep 16, 1997

Methods for determining the position of seismic equipment, and applications of the methods

GECO AS183 citations95
US5910789AJun 8, 1999

Method for integrity monitoring in position determination

GECO AS63 citations94
US5532975AJul 2, 1996

Device and method for positioning of towing systems for use in marine seismic surveys

GECO AS142 citations93
US4798156AJan 17, 1989

Arrangement for deployment of seismic cables

GECO AS71 citations93
US5488920AFeb 6, 1996

Device for handling of cables on seismic vessels

GECO AS28 citations92
US4992990AFeb 12, 1991

Method for determining the position of seismic streamers in a reflection seismic measuring system

GECO AS179 citations92
US4828223AMay 9, 1989

Cable handling apparatus

GECO AS31 citations92
US6049509AApr 11, 2000

Method of processing seismic data to obtain the travel time curve

GECO AS67 citations91
US5548562AAug 20, 1996

Method for synchronization of systems for seismic surveys, together with applications of the method

GECO AS136 citations91
US5357892AOct 25, 1994

Deflector

GECO AS87 citations91
US4748599AMay 31, 1988

Control device for cables with seismic equipment, especially for gun cables comprising one or several gun arrays

GECO AS27 citations91
US5771202AJun 23, 1998

Method for acquisition of seismic data at sea

GECO AS47 citations90
US5973995AOct 26, 1999

Method of and apparatus for marine seismic surveying

GECO AS92 citations89
US5164922ANov 17, 1992

Device for firmly holding seismic means, especially sources of seismic energy

GECO AS26 citations89
US5157636AOct 20, 1992

Method of towing sources of seismic energy behind a vessel, and an arrangement for use in the method

GECO AS47 citations88
US5148406ASep 15, 1992

Method for simultaneous collection of seismic data from shallow and deep targets

GECO AS84 citations88
US5138582AAug 11, 1992

Method and a device for stabilizing sources of seismic energy

GECO AS22 citations88
US5113376AMay 12, 1992

Method for conducting seismic surveys in waters covered with ice

GECO AS22 citations88
US5210718AMay 11, 1993

Calibration of seismic streamers in a helmholz resonator

GECO AS31 citations87
US4756268AJul 12, 1988

Angular member for seismic cables towed by a vessel

GECO AS29 citations87
US6026056AFeb 15, 2000

Method and apparatus for reducing the effect of rough sea surface conditions on marine seismic sources

GECO AS21 citations86
US5278804AJan 11, 1994

Device for weighting of streamer cables

GECO AS23 citations86
US6607168B1Aug 19, 2003

Bearing structure with reduced tip vortex

GECO AS22 citations84
US5050129ASep 17, 1991

Marine seismic data conditioning

GECO AS55 citations82
US4922465AMay 1, 1990

Interpolation of severely aliased events

GECO AS41 citations81
US4884249ANov 28, 1989

Marine streamer for use in seismic surveys

GECO AS25 citations80
US5475188ADec 12, 1995

Device for securing two or more seismic energy sources at fixed relative positions

GECO AS10 citations70
US5329071AJul 12, 1994

Method and device for operation of equipment installed in marine seismic tows

GECO AS17 citations70
US5051966ASep 24, 1991

Fastening means for seismic equipment

GECO AS8 citations67
US5228005AJul 13, 1993

Device for use in a seismic streamer

GECO AS11 citations66
US5351218ASep 27, 1994

Method for reconnection and connection of sensor groups

GECO AS14 citations65
US5188053AFeb 23, 1993

Arrangement in a buoyancy towed body means

GECO AS9 citations65
US5150332ASep 22, 1992

Method of assigning a seismic trace

GECO AS8 citations64
US5199003AMar 30, 1993

Method and apparatus for release of a seismic array, especially streamers in the event of overloading

GECO AS4 citations62
US5212668AMay 18, 1993

Method for quantification of the level of weather and sea noise during marine seismic surveys

GECO AS5 citations61
US5259597ANov 9, 1993

Tension relieving device for seismic cables

GECO AS12 citations59
US5014249AMay 7, 1991

Method in a real time control system for seismic interference

GECO AS13 citations59
US4744065AMay 10, 1988

Reinforcing device in the inner portion of seismic cables

GECO AS6 citations52
US6062768AMay 16, 2000

Method and device for repairing marine seismic cables

GECO AS3 citations45