Patents
Patents for G01V 1 - Seismology; Seismic or acoustic prospecting or detecting (27,288)
08/1978
08/01/1978US4104596 Instantaneous floating point amplifier
08/01/1978US4103756 Stress wave generator
08/01/1978US4103501 Device for embedding flexible elements of great length in the ground
07/1978
07/25/1978US4103280 Device for emitting acoustic waves in a liquid medium
07/25/1978US4102429 Apparatus for generating seismic waves
07/25/1978US4102428 No-flash seismic cord
07/25/1978US4102185 Acoustic-nuclear permeability logging system
07/18/1978US4101867 Method of determining weathering corrections in seismic operations
07/18/1978US4101866 Marine detector spread having arrays of different lengths
07/18/1978US4100991 Fast cycle seismic gas exploder and method
07/11/1978US4100470 Precision drive system for a chart recorder
07/04/1978US4098369 Underwater sound generator
06/1978
06/13/1978US4094304 Method and apparatus for measurement of acoustic impedance transitions in media such as human bodies
06/13/1978CA1033048A1 Implosion sound wave generating device
06/06/1978US4092858 Oceanographic sensor with in-situ cleaning and bio-fouling prevention system
05/1978
05/30/1978US4092629 Decentralized seismic data processing system
05/23/1978US4091358 Seismic detecting means for obtaining maximum signal enhancement
05/23/1978US4091356 Heave compensation system
05/16/1978US4090168 Solid filled vibration isolation module for a towed sonar array
05/16/1978CA1031451A1 Mechanical wave emitting device
05/02/1978US4087780 Offshore marine seismic source tow systems and methods of forming
05/02/1978US4086807 Quake-sensing starting device
04/1978
04/25/1978US4086600 Method for producing half-tone, variable-density seismic trace recordings
04/25/1978US4086561 Marine seismograph cable balancing
04/25/1978US4086504 Distributed data acquisition
04/11/1978US4084151 System for recording and processing seismic reflection signals
04/04/1978US4083031 Acoustic presence detection method and apparatus
03/1978
03/14/1978US4079353 Offshore seismic surveying technique
03/14/1978US4079315 Method and apparatus for measuring time interval between two pulse signals
03/07/1978US4078223 Geophone and seismic cable assembly
03/07/1978US4077304 Impact tools
03/07/1978US4077253 Apparatus and method for the imaging of the internal structure of a three-dimensional solid and/or liquid object
02/1978
02/28/1978CA1027225A1 Dispositif recepteur continu pour la prospection sismique terrestre
02/21/1978US4075601 Combined pipeline marker and test unit
02/21/1978US4075599 Undersea geophysical exploration
02/14/1978US4073363 Method and apparatus for generating a long sequence of seismic pulses
02/14/1978US4073362 Charging and ignition system for gas exploders
02/07/1978US4072923 Multichannel seismic telemeter system and array former
02/07/1978US4072922 Method for seismic exploration for enhanced results in simulated cylindrical or plane waves
02/07/1978US4072208 Method and apparatus for seismic prospecting
01/1978
01/24/1978US4070187 Color display of data
01/17/1978US4069471 Method of determining weathering corrections in seismic record processing
01/17/1978US4069470 Use of periodic signals for continuous wave seismic prospecting
01/17/1978US4069004 Device to emit shock waves, with adjustable capacity
01/10/1978US4068210 Seismic vibrator phase detector
01/10/1978US4068208 Marine streamer position determination system
01/03/1978US4066993 Limited-range seismic control system
01/03/1978US4066992 Seismic mine monitoring system
12/1977
12/27/1977US4065749 Geophysical prospecting methods
12/27/1977US4065746 Device for measuring the velocity of a body in an undersea environment
12/27/1977US4064964 Seismic signal generating apparatus
12/20/1977US4064481 Vibrator and processing systems for vibratory seismic operations
12/20/1977US4064480 Means and method for recording seismic signals
12/20/1977US4064479 Vertically directive arrays for marine seismic exploration
12/20/1977US4063613 Control means for pressure fluid vibrators for generating seismic waves in the earth
12/13/1977US4063216 Displaying seismic sections in isometric view
12/13/1977US4063213 Methods for accurately positioning a seismic energy source while recording seismic data
11/1977
11/22/1977US4059820 Seismic wave generator and method of geophysical prospecting using the same
11/22/1977US4059819 Detector assembly for seismic marine survey
11/22/1977US4059818 Periodic waveform interference eliminator
11/15/1977US4058791 Method and apparatus for processing seismic signals from low energy sources
11/15/1977US4058790 Method and apparatus for transmitting geophone signals over cables with minimum noise
11/15/1977US4058134 Interceptor actuated by seismic vibrations
11/08/1977US4057780 Method for describing fractures in subterranean earth formations
11/01/1977US4056164 Stabilized portable seismic signal transducer
11/01/1977US4056163 Tracking bandpass filter for conditioning vibrator accelerometer waveform
10/1977
10/25/1977US4055138 Underwater vehicle towing and recovery apparatus
10/11/1977US4053027 Use for a seismic energy pulse generator for generating and shaping a seismic energy pulse
10/04/1977US4052694 Method and apparatus for diagnosing faults in the geophone group of a geophysical data acquisition system
10/04/1977US4051918 Seismic energy source
09/1977
09/27/1977US4050540 Movable device for generating acoustic shear waves in the earth
09/20/1977US4049078 Marine acoustic pulse train signal generator
09/20/1977US4049077 Seismic vibrator control system
09/13/1977US4048612 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
09/13/1977US4047592 Self-driven underwater noisemaking device
09/13/1977US4047591 Air gun monitoring and synchronizing method and apparatus
09/06/1977US4047166 Electrostatically charged cable transducer
09/06/1977US4047148 Piston type underwater sound generator
09/06/1977US4046220 Method for distinguishing between single-phase gas and single-phase liquid leaks in well casings
08/1977
08/30/1977US4044606 Sensing thickness of a thin body disposed between two diverse surfaces
08/23/1977US4043420 High frequency gas detonator
08/23/1977US4043175 Automatic method and apparatus for digitally indicating response characteristics of geophones of a geophysical data acquisition system
08/16/1977US4042910 Method of seismic exploration
08/16/1977US4042907 Apparatus for preventing cycle skipping in processing acoustic well-logging signals
08/16/1977US4042906 Automatic data acquisition method and system
08/16/1977US4042905 Data acquisition, transport and storage system
08/16/1977US4042063 Air cushion shear wave vibrator
08/16/1977US4041774 Acoustic data acquisition device
08/09/1977US4041446 Capacitive-type displacement and pressure sensitive transducer
08/09/1977US4041445 Method of connecting flexible numbers of geophone flyer groups to data acquisition units
08/09/1977US4041444 Combination flyer-jumper and method of manufacture of same in which the jumper/flyer is associated with a geophysical data acquisition system that provides digital data in the field before recording
08/09/1977US4041443 Seismic recording apparatus having a time-varying sample
08/09/1977US4041442 Acoustic data acquisition system
08/02/1977US4040044 Dual line electret transducer
08/02/1977US4040003 Downhole seismic source
08/02/1977US4040002 Well depth matcher utilizing programmable shifting of well logging data
08/02/1977US4040001 Acoustic well logging with threshold adjustment
08/02/1977US4040000 Solid state high energy electrical switch for under-sea-water electric discharge seismic generator
08/02/1977US4039806 Synthesizer for testing elements of a geophysical data acquisition system
08/02/1977US4039042 Acoustical sparker probe apparatus