Patents
Sitemap › G01 - Measuring; Testing › G01V - Geophysics; Gravitational measurements; Detecting masses or objects; Tags › G01V 1 - Seismology; Seismic or acoustic prospecting or detecting
Patents for G01V 1 - Seismology; Seismic or acoustic prospecting or detecting (27,288)
04/1985
04/03/1985EP0136027A2 Acoustic well logging device for detecting compressional and shear waves
04/03/1985EP0135623A2 Seismic method for identifying low velocity subsurface zones
04/03/1985EP0135552A1 Method and apparatus for optical enhancement of graphical data arrays
04/02/1985US4509170 Time division multiplex transmission of submultiplex sequences of signals from sections of a chain of data acquisition units
04/02/1985US4509151 Marine acoustic analysis system and method
04/02/1985US4509150 Linear prediction coding for compressing of seismic data
04/02/1985US4509149 Directional long array for logging vertical boundaries
04/02/1985US4508191 Method and device for initiating an underwater implosive seismic source
04/02/1985CA1185004A1 Acoustic pulse generator
04/02/1985CA1185003A1 Target plate for impulse-type acoustic signal generator
04/02/1985CA1185002A1 Valve means for compressed air-powered acoustic pulse generator
03/1985
03/28/1985WO1985001405A1 Marine seismic streamer coupler
03/28/1985WO1985001360A1 Method and apparatus for multi-line seismic exploration
03/28/1985WO1985001359A1 Vibrator seismic source
03/27/1985EP0134804A1 Device in a hydrophone cable for marine seismic surveys
03/26/1985US4506758 High frequency reaction mass and hydraulic cylinder assembly
03/26/1985CA1184645A1 Arrangement for carrying out seismic prospection of the sea bed
03/20/1985EP0134715A2 Underwater seismic testing
03/20/1985EP0134684A2 Low noise digital seismic streamer and method of marine seismic exploration
03/19/1985US4506352 Method for use in marine seismic data gathering
03/19/1985US4505362 Device for avoiding multiple bounces against a target of a mass _falling thereon along a rectilinear trajectory
03/19/1985CA1184288A1 Differential noise logging method and apparatus
03/12/1985US4504932 Geophone having a non-conductive coilform
03/12/1985US4503929 Sleeve valve for an air gun having a reciprocating shuttle valve
03/12/1985CA1183936A1 Downhole thermoacoustic device
03/05/1985US4503527 Method for enhancement of the signal-to-noise ratio in seismic reflection signals
03/05/1985US4503526 Device for water inflow detection inside a seismic streamer
02/1985
02/19/1985US4500980 Seismic streamer connector assembly
02/19/1985US4500979 Optical seismic transducer
02/19/1985US4500978 Seismographic method and apparatus using scaled sound sources
02/19/1985US4500976 Seismic exploration
02/19/1985CA1182900A1 Tuned air gun array
02/19/1985CA1182897A1 Assembly for use in seismic surveys of the sea bed
02/13/1985EP0132753A1 Float recovery system
02/12/1985US4499565 Method and apparatus for recording broad-band seismic data
02/12/1985CA1182533A1 Well logging fiber optic communication system
02/05/1985US4498157 Method of determining weathering corrections in seismic operations
02/05/1985US4497873 Isentropic compressive wave generator impact pillow and method of making same
01/1985
01/29/1985US4497046 Long line hydrophone
01/29/1985US4497045 Seismic system with signal multiplexers
01/29/1985US4497044 Seismic wave generator
01/29/1985US4495816 Process and system for analyzing discontinuities in reasonably homogeneous medium
01/29/1985US4495804 Method of and apparatus for mining analysis
01/29/1985CA1181642A1 Sleeve shuttle air gun
01/22/1985US4495606 Method and apparatus for combined cement bond and acoustic well logging
01/22/1985US4495605 Method for determining the dip angle of geological formations traversed by a borehole
01/16/1985EP0131351A2 A method of determining the permeability of a formation
01/15/1985CA1181159A1 Method for determining source and receiver statics in marine seismic exploration
01/08/1985US4493067 Seismic vibrator control system
01/08/1985US4493063 Method and apparatus for seismic geophysical exploration
01/08/1985US4493061 Stacked marine seismic source
01/08/1985US4492285 Mobile high frequency vibrator system
01/02/1985CA1180435A Seismic prospecting using a continuous shooting and continuous recording system
01/02/1985CA1180434A Hiline interference elimination apparatus
01/01/1985US4491939 Hydrophone cable
12/1984
12/27/1984EP0129337A2 Mechanical spacer for towed acoustic array
12/19/1984EP0128874A2 An improvement in sensor devices, particularly but not exclusively underground laid ones, operating on the principle of capacitive state changes and generally useful to warn of heavy masses passing by, and related systems for operating the device
12/18/1984US4488597 For use with a well-logging tool
12/18/1984CA1179764A1 Impulse noise generator
12/18/1984CA1179762A1 Method of determining the ratio of the velocities of compressional and shear waves in subterranean formations
12/18/1984CA1179761A1 Method and apparatus for use in marine seismic data gathering
12/11/1984US4488270 Acoustic impedance log obtained from seismograms
12/05/1984EP0127548A2 Low frequency sonic logging
12/05/1984EP0127338A1 Air release in seismic source air gun
12/04/1984US4486866 Seismic exploration using non-impulsive vibratory sources activated by stationary, Gaussian codes, and processing that results in distortion-free final records particularly useful in stratigraphic trap determination
12/04/1984US4486865 Pressure and velocity detectors for seismic exploration
12/04/1984US4486864 Method for marine seismic exploration
12/04/1984US4486863 Circular seismic acquisition system
12/04/1984US4486861 Transponder telemetry
12/04/1984US4485889 Valve means for compressed air powered acoustic pulse generator
11/1984
11/27/1984US4484657 Acoustic pulse generator
11/27/1984US4484656 Carrier vehicle for seismic vibrational system
11/27/1984US4484638 Liquid inertia tool
11/27/1984CA1178696A1 System for laterally positioning a towed marine cable and method of using same
11/20/1984US4484314 Cop switch-position encoder, method and apparatus
11/20/1984US4484313 System for measuring shear wave travel times
11/20/1984US4483411 Tunable marine seismic source
11/20/1984CA1178363A1 Seismic exploration system
11/13/1984CA1177949A1 Acoustic method and device for well logging
11/06/1984US4481612 Seismic surveying using shear waves
11/06/1984US4481611 Seismic cable compass system
11/06/1984US4480574 Marine oil and gas geophysical exploration apparatus
11/06/1984CA1177571A1 Method for determining the attitude of geological formations crossed by a borehole
11/06/1984CA1177570A1 Apparatus and method for determining the position of a gas-saturated porous rock in the vicinity of a deep borehole in the earth
11/06/1984CA1177569A1 Current impulse method and apparatus for testing geophone strings
10/1984
10/31/1984EP0123455A2 Acoustic receiver transducer
10/30/1984CA1176972A1 Logging method and apparatus using a sonde equipped with measuring pads
10/24/1984EP0122824A1 Seismic data optimizing method and system
10/24/1984EP0122704A2 Pipeline pig tracking
10/23/1984US4479205 Method of migrating seismic data without dependency on velocity
10/23/1984US4479204 In a mineral recovery program
10/23/1984US4479183 Method of editing seismic traces, as say gathered by large multichannel collection systems
10/16/1984US4477888 Microwave system for particle and shock velocity measurement in a geological type material
10/16/1984US4477887 Low noise mounting for accelerometer used in marine cable
10/09/1984US4476553 Method of determining the signatures of arrays of marine seismic sources
10/09/1984US4476552 Geophysical prospecting methods
10/09/1984US4476551 Suppressing noise in seismograms representing reflection of seismic energy
10/09/1984US4476550 Determination of far field signatures, for instance of seismic sources
10/03/1984EP0120091A1 Apparatus and method for logging wells while drilling
10/02/1984US4474250 Measuring while drilling
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