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)
10/1981
10/13/1981US4295213 Composite seismic signal
10/13/1981US4295212 Linear acoustic array
10/13/1981US4294328 Device for emitting acoustic waves in a liquid medium by implosion
10/06/1981US4293935 Method of seismic exploration
10/06/1981US4293934 Circumferential acoustic device
10/06/1981US4293933 Well logging apparatus and method: synthetic logs and synthetic seismograms with extrapolated reflector dip from log measurements
09/1981
09/29/1981US4291780 Apparatus for wires in the ground
09/15/1981US4290124 Remote control cable depth control apparatus
09/15/1981US4289032 Method of discriminating kinds of golf balls
09/15/1981CA1109143A1 Marine cable location system
09/09/1981EP0035421A1 Logging sonde housing and process for its manufacture
09/09/1981EP0035318A1 Improvements in electroacoustic transducers
09/09/1981EP0035015A1 High frequency reaction mass and hydraulic cylinder assembly
09/09/1981EP0035014A1 Variable cylinder hydraulic vibrator and control system
09/08/1981CA1108744A1 Low frequency inertia balanced dipole hydrophone
09/08/1981CA1108741A1 Determination of lateral dip in subterranean strata
09/08/1981CA1108482A1 Depth servo for underwater trailing apparatus
09/02/1981EP0034585A1 Mobile high frequency vibrator system
09/01/1981US4286687 Air gun firing sensor apparatus and system
09/01/1981US4286520 Linear explosive charge with constant detonation velocity and synchronous booster charges
08/1981
08/26/1981EP0034145A1 Seismic transducer baseplate and housing assembly
08/25/1981US4286332 Method and apparatus for producing shear waves for subsurface geophysical investigation
08/25/1981US4285415 Acoustic impulse generator
08/25/1981CA1107851A1 Automatic system and method for testing marine streamers of seismic exploration systems
08/18/1981US4285054 Geophone
08/18/1981US4285052 Roll-along switch
08/18/1981US4284165 Acoustic pulse generator
08/18/1981US4284164 Acoustic pulse generator
08/18/1981US4284163 Coupling means for horizontal vibrator with tooth-like projections
08/18/1981US4283953 Method and apparatus for determining a granularity property of a subsurface formation around a borehole
08/12/1981EP0033552A1 Device for the detection of sheet-like objects
08/11/1981US4283779 Torsional wave generator
08/11/1981US4283778 Programmable seismic cable
08/11/1981CA1106957A1 Seismic delineation of oil and gas reservoirs using borehole geophones
08/04/1981US4282587 Method for monitoring the recovery of minerals from shallow geological formations
08/04/1981US4282484 Combination seismic/magnetic transducer with floating magnet
08/04/1981CA1106487A1 Device for the determination of relative positions relating to lengthwise elements towed by a ship
07/1981
07/28/1981US4281403 Seismic data recording method and apparatus
07/28/1981US4281402 Marine cable decoupler
07/28/1981CA1106052A1 Method for seismic exploration for enhanced results in simulated cylindrical or plane waves
07/28/1981CA1106051A1 Method and apparatus for the production of seismic shocks
07/21/1981US4280206 Seismometers
07/21/1981US4280201 Variable gap roll along switching
07/21/1981US4280200 Seismic method of mapping horizontal fractures in the earth
07/15/1981EP0031989A1 Shear wave acoustic well logging tool
07/14/1981US4279026 Seismographic data color display
07/14/1981US4279019 Method and apparatus for delay analysis of energy transmitted through a medium
07/14/1981CA1105124A1 Methods and apparatus for use in generating and transmitting acoustic signals
07/14/1981CA1105123A1 Methods and apparatus for the generation and transmission of signals for echo location and other signallig purposes, as in geophysical exploration
07/14/1981CA1105122A1 Seismic source for use under water
07/07/1981US4277834 Wave-signal-processing system with a two-dimensional recursive digital filter
07/07/1981CA1104704A1 Seismic source array firing controller
07/07/1981CA1104703A1 Seismic exploration system
07/01/1981EP0031196A1 Underwater seismic source and its use
06/1981
06/30/1981US4276620 Method and apparatus for obtaining a composite field response _to a variable source array using weighting coefficients
06/30/1981US4276619 Impedance and common mode rejection testing of a multi-channel seismic data gathering apparatus
06/16/1981US4273212 Oil and gas well kick detector
06/09/1981US4271925 Fluid actuated acoustic pulse generator
06/09/1981US4271924 Airgun apparatus providing high strength and high pressure capabilities
06/09/1981US4271923 Mobil device for generating acoustic shear waves in the earth
06/02/1981US4270626 Coupling means for horizontal vibrator
05/1981
05/19/1981CA1101534A1 Seismic exploration
05/12/1981US4267585 Device for determining the configuration and calibrating long, towed underwater structures
05/05/1981US4266287 Transducer systems with controlled damping
04/1981
04/28/1981CA1100223A1 Fluid operated seismic generator
04/14/1981US4262289 Seismic tremor sensor alarm
04/07/1981US4260211 Quick coupler for seismic streamer sections
04/07/1981CA1099039A1 Color dot display
03/1981
03/31/1981US4259733 Multi-dimensional seismic imaging
03/31/1981US4259563 Method for dynamically tuning a seismic transducer
03/17/1981US4257098 Computer to recording medium interface
03/11/1981EP0024805A1 Hydraulic vibrator
03/10/1981US4255798 Method and apparatus for acoustically investigating a casing and cement bond in a borehole
03/03/1981US4254480 Frequency independent directionally sensitive array in seismic surveying
03/03/1981US4254479 Sonic logging method for determining the need for sand consolidation treatment
03/03/1981US4253539 Device for generating acoustic waves in a fluid by implosion
03/03/1981US4253538 Broadband seismic energy source
03/03/1981US4253337 Ultrasonic nondestructive testing method
03/03/1981CA1096964A1 Multiple reflection suppression in marine seismic exploration with long source and detector arrays
03/03/1981CA1096963A1 Seismic exploration for dipping formations
02/1981
02/25/1981EP0024262A1 Electroacoustic signalisation and submarine identification device of a ship
02/25/1981EP0024117A2 Seismic transducer baseplate and housing assembly
02/25/1981EP0024116A2 Mobile high frequency vibrator system
02/24/1981US4253164 Multi-purpose seismic transducer
02/24/1981US4252210 Methods of and apparatus for generating seismic waves
02/24/1981US4252209 Downhole liquid pressure seismic source and bit positioning system
02/19/1981WO1981000461A1 Variable cylinder hydraulic vibrator and control system
02/19/1981WO1981000460A1 High frequency reaction mass and hydraulic cylinder assembly
02/19/1981WO1981000459A1 Mobile high frequency vibrator system
02/19/1981WO1981000458A1 Seismic transducer baseplate and housing assembly
02/03/1981US4248324 Seismic vibrator and method for improving the output of a seismic vibrator
02/03/1981CA1095160A1 Method and means for measuring and identifying up- and down traveling waves in underground formations
01/1981
01/27/1981US4247923 Method and apparatus for detecting the location of a marine pipeline or cable
01/27/1981US4247847 Vibration-detecting intrusion alarm
01/27/1981US4246979 Internal sleeve air release control apparatus in seismic air gun
01/20/1981US4246652 Seismic source signatured evaluation apparatus
01/13/1981US4245329 Elongated seismic receiver of continuous structure
01/13/1981US4244437 Apparatus for generating waves in the ground
01/06/1981US4243116 Fail-safe mechanism for generating a pulse indicating the precise moment of firing of an air gun
01/06/1981CA1093199A1 Methods and apparatus for the generation and transmission of seismic signals
1 ... 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273