Patents
Patents for G01V 1 - Seismology; Seismic or acoustic prospecting or detecting (27,288)
12/1982
12/21/1982US4364446 Generating pulses
12/15/1982EP0066923A2 Aircraft structural integrity assessment system
12/14/1982US4364033 Alarming seismometer
12/14/1982CA1137634A1 Method and device for amplifying multiplexed signals
12/08/1982EP0066423A1 Method of determining the signatures of arrays of marine seismic sources, and of accumulating data for use in such methods
12/08/1982EP0066390A1 Method and apparatus for indicating a time-break on a seismic record
12/07/1982US4363115 Low frequency, log-periodic acoustic array
12/07/1982US4363113 Seismic exploration with simulated plane waves
12/07/1982US4363112 Apparatus and method for determining the position of a gas-saturated porous rock in the vicinity of a deep borehole in the earth
12/07/1982CA1137205A1 Body motion compensation filter
12/07/1982CA1137204A1 Method and apparatus for producing shear waves for subsurface geophysical investigation
11/1982
11/30/1982US4361045 Vibration sensor
11/23/1982US4360729 Seismic cable connector with optical transceiver
11/23/1982CA1136259A2 Broadband seismic energy source
11/23/1982CA1136258A1 Device for implosion injection of sound waves in a liquid medium
11/23/1982CA1136256A1 Method and apparatus for detecting the location of a marine pipeline or cable
11/23/1982CA1136255A1 Body motion compensation filter with pitch and roll correction
11/23/1982CA1136254A1 Bi-directional impulse shear wave generator and method of use
11/16/1982US4359766 Method for reconnaissance geophysical prospecting
11/16/1982US4359131 Method of generating a seismic signal employing a water piston
11/02/1982US4357689 Seismic data gathering method
11/02/1982US4357577 Instantaneous floating point amplifier
10/1982
10/28/1982WO1982003695A1 Arrangement for carrying out seismic prospection of the sea bed
10/19/1982US4355379 Continuous automatic migration of seismic data with waveform preservation
10/19/1982US4355378 Logging system depth recorder
10/19/1982US4354572 Portable seismic energy source
10/19/1982US4354381 Sonic attenuating method for distinguishing between oil, water and gas
10/12/1982US4353431 Recoil reducing system for gas guns
10/12/1982US4353199 Stone detector for harvesting machines
10/12/1982CA1133629A2 Broadband seismic energy source
10/05/1982US4353122 Differential noise logging method and apparatus
10/05/1982US4353121 High resolution, marine seismic stratigraphic system
10/05/1982CA1133110A1 Mobile device for propagating transverse acoustic waves in the earth
10/05/1982CA1133109A1 Mobile device for propagating transverse acoustic waves in the ground
09/1982
09/28/1982CA1132701A1 Geophone springs
09/21/1982US4351036 Submarine cable connector link
09/21/1982US4351035 Method of and apparatus for locating disturbances in a mineral seam
09/15/1982EP0060029A2 A method of determining the ratio of the velocities of compressional and shear waves in subterranean formations
09/14/1982US4349896 Digital acoustic logging method and apparatus
09/07/1982US4348749 Phase correcting seismic traces
09/07/1982CA1131338A1 Radio frequency seismic gathering system employing an airborne blimp
09/07/1982CA1131208A1 Pressure pulse detection apparatus
08/1982
08/31/1982US4346954 Connector for elongated underwater towed array
08/31/1982US4346779 Vapor implosion in a closed flexible enclosure
08/24/1982US4346462 Seismic prospecting method providing for the determination of the flank dip of subterranean layers and device for carrying out the same
08/24/1982US4346461 Seismic exploration using vibratory sources, sign-bit recording, and processing that maximizes the obtained subsurface information
08/24/1982US4346460 Method and apparatus for deriving compensated measurements in a borehole
08/24/1982US4345473 Vertical component accelerometer
08/17/1982US4344810 Apparatus for making tape transducer
08/17/1982CA1129980A1 Air release control in seismic energy source air gun
08/10/1982US4344158 Noise-suppression method
08/10/1982US4343186 Vibration pickup
08/03/1982CA1129066A1 Method and apparatus for acoustically investigating a casing and casing cement bond in borehole penetrating an earth formation
07/1982
07/27/1982US4341282 Carrier vehicle for seismic vibrational system
07/27/1982CA1128641A2 Transmitting well logging data
07/20/1982CA1128193A2 Broadband seismic energy source
07/20/1982CA1128192A2 Broadband seismic energy source
07/20/1982CA1128191A2 Broadband seismic energy source
07/20/1982CA1128189A1 Field fan filter
07/20/1982CA1128188A1 Distributed charge for seismic prospecting
07/13/1982US4339810 Method of compensating seismic data for effects of frequency dependent attenuation
07/13/1982CA1127751A2 Broadband seismic energy source
07/13/1982CA1127748A1 Apparatus for the generation of acoustic signals in marine environments
07/07/1982EP0055634A1 Method of recording a physical characteristic of a borehole casing
06/1982
06/29/1982US4336639 Method of making a seismic apparatus
06/29/1982CA1126848A1 Method and apparatus for demodulating signals in a logging while drilling system
06/24/1982WO1982002074A1 Device for pressing geophysical devices against the wall of a bore hole
06/15/1982US4335452 Electro-acoustic device for the underwater signalling and identification of a vessel
06/15/1982US4334592 Sea water hydraulic fluid system for an underground vibrator
06/15/1982US4334591 Transporter for low energy seismic source
06/15/1982CA1125905A1 Shear wave method of seismic prospecting
06/15/1982CA1125904A1 Broadband seismic energy source
06/09/1982EP0053525A1 Method and apparatus for seismic exploration using the vertical seismic profiling technique
06/08/1982US4334296 Seismic method and apparatus
06/08/1982CA1125361A1 Electrically actuated time delay device
06/01/1982US4333029 Piezoelectric seismic sensor for intrusion detection
06/01/1982CA1124828A1 Device to generate accoustical in a fluid through implosion
05/1982
05/25/1982US4332017 Mechanoacoustic transducer for use in transmitting high acoustic power densities into geological formations such as oil-saturated sandstone or shale
05/25/1982CA1124384A1 Stable fiber-optic hydrophone
05/19/1982EP0051916A1 Seismic prospecting using a continuous shooting and continuous recording system
05/18/1982US4330873 Aplanatic geophysical exploration system
05/18/1982US4330872 Common-offset-distance seismic trace filtering
05/18/1982US4330871 Detecting subterranean hydrocarbon accumulations
05/04/1982US4328567 Methods and apparatus for acoustic logging in earth formations
05/04/1982US4327814 Rotating eccentric weight apparatus and method for generating coded shear wave signals
05/04/1982US4327813 Generation of seismic sources
04/1982
04/28/1982EP0050560A2 Seismic cable junction with flat connections
04/20/1982US4326275 Directional transducer
04/20/1982US4326271 Method and apparatus for determining acoustic properties in the earth
04/20/1982US4326262 Universal signal generator and signal parameter comparator
04/20/1982CA1122315A1 Rotating eccentric weight seismic sources and a seismic exploration method
04/14/1982EP0049644A1 Apparatus for automatic reflection-coefficient determination starting from a seismic signal
04/13/1982US4324311 Actuator for an air gun having a reciprocating shuttle valve
04/13/1982US4324310 Seismic apparatus
04/13/1982US4324193 Method for snubbing or restraining a cable
04/13/1982US4324182 Apparatus and method for selectively activating plural electrical loads at predetermined relative times
04/06/1982US4323994 Geophone spring
04/06/1982US4323990 Seismic exploration system
04/06/1982US4323989 Wide seismic source
04/06/1982US4323876 Method for reducing multiple events in a seismic record