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)
03/1982
03/31/1982EP0048623A2 Underwater seismic testing
03/31/1982EP0048317A2 Apparatus and method for geophone sensor string placement
03/30/1982US4322829 Fiber optic accelerometer and method of measuring inertial force
03/30/1982US4322828 Seismic aircraft maneuver classifier
03/30/1982US4321981 Combination shear wave and compressional wave seismic energy vibrator
03/30/1982CA1121042A1 Directional transducers for sonic logging
03/23/1982US4321675 Method and apparatus for increasing the dynamic range of a data acquisition system at low frequencies without reducing high frequency gain
03/23/1982CA1120543A1 Apparatus and method for determining characteristics of subsurface formations
03/17/1982EP0047704A2 Well logging fiber optic communication system
03/17/1982EP0047547A2 A method for marine seismic exploration
03/16/1982US4320472 Digital geophone system
03/16/1982US4320471 Seismic surveying method
03/16/1982US4320470 Method and apparatus for acoustic well logging
03/16/1982US4320468 Method for testing a seismic marine cable
03/10/1982EP0047100A2 Improvements in or relating to determination of far field signatures, for instance of seismic sources
03/09/1982US4319348 Method and apparatus of surveying nodular targets on the sea floor
03/09/1982US4319347 Seismic method and system of improved resolution and discrimination
03/09/1982US4319346 Acoustic frequency spectrum logging
03/09/1982US4319345 Acoustic well-logging transmitting and receiving transducers
03/09/1982CA1119708A1 Electrodynamic generator for generating transverse elastic waves in the ground
03/09/1982CA1119707A1 Method of and apparatus for the generation and transmission of signals for echolocation and other signalling purposes, such as in geophysical exploration
03/02/1982US4317501 Apparatus for the production of seismic shocks
03/02/1982CA1119283A1 Method and apparatus for dynamically investigating a borehole
02/1982
02/23/1982US4317185 Streamer cable towing link
02/23/1982US4316521 Pivoted elevator mounting for mobile land seismic energy source
02/17/1982EP0046116A1 Seismic-wave generator
02/17/1982EP0046101A2 System for borehole logging by detection of slow compressional waves
02/16/1982US4316268 Method for interpretation of seismic records to yield indication of gaseous hydrocarbons
02/16/1982US4316267 Method for interpreting events of seismic records to yield indications of gaseous hydrocarbons
02/16/1982US4316266 Method of reflection point correlation seismic surveying
02/09/1982CA1118087A1 Method and apparatus for reducing ground current interference with electrical signals representative of seismic wave signals
02/04/1982WO1982000365A1 High resolution,marine seismic stratigraphic system
02/02/1982US4314364 Long sweep vibroseis record production
02/02/1982US4314363 Marine seismic cable handler
02/02/1982US4314347 Seismic signal processing machine and method for noise removal
02/02/1982US4313392 System for deploying and retrieving seismic source assembly from marine vessel
02/02/1982US4313380 Distributed charge for seismic prospecting
01/1982
01/19/1982US4312052 Method for identifying weak sands
01/19/1982US4312051 Data display
01/19/1982US4312050 Multidimensional amplitude scaling of seismic data
01/19/1982US4312049 Method of identifying gas, oil and water zones in a subsurface formation
01/19/1982CA1116738A1 Seismic refraction exploration
01/19/1982CA1116737A1 Method for acoustic signal detection
01/13/1982EP0043669A1 Method and apparatus for seismic surveying utilising enhanced friction technique
01/12/1982US4310904 Ambient sea noise elimination method and apparatus
01/12/1982US4310066 Torsional shear wave generator
01/12/1982CA1116285A1 Seismic method and apparatus including liquid filled accelerometers
01/05/1982US4309763 Digital sonobuoy
01/05/1982US4308751 Method for investigating an anchored rod-like body having an accessible end, and apparatus for carrying out the method
01/05/1982CA1115824A1 Measuring and recording device for monitoring vibrations caused by blasting
12/1981
12/29/1981US4308598 Simplified roll along switching
12/29/1981US4308597 Selsmic field recording technique
12/29/1981US4307790 Weight-drop seismic exploration system
12/29/1981CA1115373A1 Well survey system modulation technique
12/23/1981EP0042209A2 Gas discharge device for generating acoustic pulses
12/22/1981USRE30827 Process and device for the determination of the characteristics of the geological formations traversed by a borehole
12/22/1981CA1114938A1 Mass on target percussion device for generating seismic waves
12/22/1981CA1114937A2 Seismic delineation of oil and gas reservoirs using borehole geophones
12/22/1981CA1114682A1 Submerged device with automatic depth control for oceanographic apparatus
12/15/1981US4305274 Waveform generator
12/15/1981CA1114490A1 Seismic exploration with simulated plane waves
12/15/1981CA1114489A1 Measurement and control of the output force of a seismic vibrator
12/08/1981US4304189 Telescopic launch and retrieval chute
12/01/1981US4303141 Liquid slug projector apparatus
11/1981
11/24/1981US4302825 Rotating eccentric weight apparatus and method for generating coded shear wave signals
11/24/1981US4302824 Seismic survey apparatus
11/24/1981US4301888 Bi-directional impulse shear wave generator and method of use
11/24/1981US4301887 Acceleration-responsive apparatus for sensing firing instant of an air gun
11/18/1981EP0040113A2 Seismometer
11/17/1981US4301523 Measurement and compensation system for beam forming array
11/17/1981US4301521 Method and apparatus for data acquisition and transport
11/17/1981US4300654 Undersea implosion device
11/17/1981US4300653 Seismic source array firing controller
11/17/1981US4300254 Release mechanism for underwater device, such as seismograph
11/17/1981CA1112753A1 Sonar for obtaining a topographic representation of an immersed surface and underlying layers
11/10/1981US4300220 Three component detector and housing for same
11/10/1981US4300218 Free flooding hydrophone mounting
11/10/1981US4300135 Seismic alarm system
11/10/1981CA1112349A1 Open-ended seismic source
11/03/1981US4298969 Method and apparatus for testing the impedances of geophone channels
11/03/1981US4298968 Digital reflection searching and section plotting
11/03/1981US4298967 High resolution downhole-crosshole seismic reflection profiling to resolve detailed coal seam structure
11/03/1981US4298966 Removal of surface layer anomaly effects
11/03/1981US4298939 Method and apparatus for applying a regulated voltage
11/03/1981US4298086 Coupling means for horizontal vibrator
11/03/1981CA1111958A1 Digital motor control method and apparatus for measuring-while-drilling
10/1981
10/29/1981WO1981003081A1 Impulse noise generator
10/27/1981US4297745 Gain ranging amplifier
10/27/1981US4297690 Earthquake alarm system
10/27/1981US4296828 Mobile device for generating acoustic shear waves
10/27/1981US4296827 Air-gun fire time sensor
10/27/1981CA1111542A1 Method for determining the degree of change of material properties of underground strata
10/20/1981US4296487 Pressure sensitive line transducer
10/20/1981US4296485 Tilt alarm in a seismic exploration system
10/20/1981US4296484 Data display system
10/20/1981US4296483 Method and means for measuring geophone parameters
10/20/1981US4296481 Streamer bulkhead
10/20/1981US4296442 On-board analog reproducer unit for ocean-bottom seismometer
10/20/1981US4295542 Seismic exploration with disposable seismic detectors
10/20/1981US4295361 Drill pipe tester with automatic fill-up
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