Patents
Patents for G01V 1 - Seismology; Seismic or acoustic prospecting or detecting (27,288)
12/1980
12/30/1980US4242742 Process for eliminating longitudinal wave components in seismic exploration
12/30/1980US4242741 Floating shunt seismic amplifier
12/30/1980US4242740 Seismic refraction exploration
12/24/1980WO1980002877A1 Seismic gathering radio system
12/23/1980US4241429 Velocity determination and stacking process from seismic exploration of three dimensional reflection geometry
12/23/1980US4241428 Line compensated seismic amplifier
12/23/1980US4241427 Condition responsive cable with bendable coaxial sensor mount
12/23/1980US4240518 Method and apparatus for monitoring and controlling a multiplicity of air guns for seismic surveying
12/23/1980CA1092203A1 Gain ranging amplifier system
12/16/1980US4240070 Variable digital to analog converter
12/16/1980CA1091797A1 Method and apparatus for deriving compensated measurements in a borehole
12/09/1980US4238845 Geophone springs
12/09/1980CA1091338A1 Automatic liquid level monitor
11/1980
11/25/1980US4236234 Radio frequency seismic gathering system employing an airborne blimp
11/25/1980US4236233 Interactive multidimensional classification and sorting of seismic segment data
11/18/1980US4234938 Determination of reflectivity and water depth for marine seismic exploration
11/18/1980US4234053 Seismic exploration method using a rotating eccentric weight seismic source
11/18/1980US4234052 Method and apparatus for generating seismic impulses using high pressure water pump as the energizing source
11/18/1980CA1089972A1 Marine adaptive source system
11/12/1980EP0018376A1 A method for investigating an anchored rod-like body having an accessible end, and apparatus for carrying out the method
11/11/1980US4233677 Automatic system and method for testing marine streamers of seismic exploration systems
11/11/1980CA1089561A1 Exploration system for cross-steering and stacking seismic data using a sawtooth traverse of shot points centrally spaced between at least a pair of linear detector spreads
11/11/1980CA1089560A2 Apparatus for removal of condensation from a marine gas exploder device
11/04/1980US4232379 Automatic balancing system for seismic equipment
11/04/1980US4232378 Formation absorption seismic method
11/04/1980CA1089076A1 Stabilized-transducer driving device for underwater ultrasonic detection system
11/04/1980CA1089075A1 Methods for accurately positioning a seismic energy source while recording seismic data
10/1980
10/29/1980EP0018053A1 Means for marine seismic exploration and method of operating such means
10/28/1980US4231111 Marine cable location system
10/28/1980US4230201 Air release control in seismic energy source air gun
10/21/1980US4229810 Seismogram display and method
10/14/1980US4228529 Method for displaying seismic data
10/07/1980US4227198 Seismic triggered seismograph
09/1980
09/30/1980US4225954 Acoustical deverberator
09/30/1980US4225859 Method and apparatus for monitoring sound-conducting media
09/30/1980US4225009 Internal air release control apparatus air gun
09/30/1980CA1086853A1 Automatic method and apparatus for digitally indicating response characteristics of geophones of a geophysical data acquisition system
09/30/1980CA1086851A2 Seismic array
09/23/1980US4223759 Low energy source for seismic operation
09/23/1980US4223556 Body motion compensation filter
09/23/1980CA1086416A1 Vertically directive arrays for marine seismic exploration
09/17/1980EP0015329A1 Seismic transducer construction
09/16/1980US4223399 Seismic exploration method
09/16/1980US4223398 Method for acoustic signal detection
09/16/1980US4223319 Passive multielement shock recorder
09/16/1980US4222455 Vibration generators
09/16/1980US4222454 Bidirectional ground coupling means for inclined seismic source
09/16/1980US4222340 Cable depth control apparatus
09/16/1980US4222266 Body motion compensation filter with pitch and roll correction
09/02/1980US4220109 Device for controlling the depth of an element towed in water
08/1980
08/26/1980US4219810 Frequency division multiplex digital seismic telemetry system
08/26/1980US4219098 Internal passive air release control apparatus in seismic air gun
08/26/1980US4219097 External air release control in seismic air gun
08/26/1980US4219096 Submergible marine seismic source
08/26/1980US4219095 Acoustic transducer
08/19/1980US4218767 Transmission line seismic communications system
08/19/1980US4218766 Method of seismic wave amplitude normalization
08/19/1980US4218765 Two-dimensional frequency domain filtering
08/12/1980US4217659 Acoustic logging for examination of the cement bonding of well casing
08/12/1980US4217571 Stutter seismic source
08/12/1980CA1083719A1 Digital processor for selectively synthesizing sinusoidal waveforms say suitable for testing geophones or combinations of geophones of a geophysical data acquisition system
08/05/1980US4216537 Sonar for the topographic representation of a submerged surface and underlying strata
07/1980
07/29/1980US4215425 Apparatus and method for filtering signals in a logging-while-drilling system
07/29/1980CA1082796A1 Cableless seismic digital recording system
07/29/1980CA1082795A1 Geophysical exploration
07/22/1980USRE30347 Corrections for seismic data obtained from expanding-spread
07/22/1980US4214238 Seismic trigger
07/22/1980US4214226 System for plotting subsoil structure and method therefor
07/22/1980US4214128 Method and apparatus for demultiplexing multiplexed seismic data
07/22/1980CA1082349A1 Fast cycle seismic gas exploder and method
07/22/1980CA1082347A1 Method of connecting flexible numbers of geophone flyer groups to data acquisition units
07/22/1980CA1082346A1 Marine detector spread having arrays of different lengths
07/15/1980US4213194 Acoustic archeological mapping method
07/15/1980CA1081838A1 Combination flyer-jumper
07/08/1980US4212086 Measuring and recording device for monitoring vibrations caused by blasting
07/08/1980US4212005 Movement detector
07/08/1980US4211301 Marine seismic transducer
07/08/1980US4211300 Air gun with reciprocating shuttle
07/08/1980CA1081358A1 Airgun marine seismic survey method and apparatus
07/01/1980US4210968 Seismic exploration technique
07/01/1980US4210967 Method and apparatus for determining acoustic wave parameters in well logging
07/01/1980US4210966 Selectively combining segments of at least four acoustic well logging waveforms to automatically measure an acoustic wave parameter
07/01/1980US4210965 Acoustic well logging method and apparatus for detecting and measuring an acoustic wave
07/01/1980US4210897 Heave compensation system
07/01/1980US4210222 Air gun monitoring method and apparatus
06/1980
06/24/1980US4209855 Apparatus for controlling the transfer of seismic data from _magnetic tape storage to a photographic recording
06/24/1980US4209854 Method and system for enhancing primary seismic reflection signals in common depth point sets
06/24/1980CA1080342A1 Receiving seismic waves with an accelerometer and a hydrophone
06/24/1980CA1080339A1 Signal processing for detection
06/17/1980US4208737 Low frequency inertia balanced dipole hydrophone
06/17/1980US4208732 Apparatus and method for enhancement of the signal-to-noise ratio in seismic data
06/17/1980US4207962 Methods and apparatus for use in generating and transmitting acoustic signals
06/17/1980US4207961 Exciting method for logging by S wave
06/10/1980US4207619 Seismic well logging system and method
06/03/1980US4206509 Method of enhancing seismic reflection signals for nonsurface-consistent static time shifts
06/03/1980US4205731 Device for generating seismic waves by striking a mass against a target member
06/03/1980CA1078952A1 Apparatus and method for controlling the moment of firing a seismic source
05/1980
05/20/1980US4204279 Method for enhancing seismic data
05/20/1980US4204278 Methods and apparatus for the generation and transmission of signals for echo location and other signalling purposes, as in geophysical exploration
05/20/1980US4204188 Cable for sea seismic exploration