Patents
Patents for G01V 1 - Seismology; Seismic or acoustic prospecting or detecting (27,288)
05/1988
05/10/1988US4744065 Reinforcing device in the inner portion of seismic cables
05/10/1988US4744064 Method and apparatus for seismic exploration
05/10/1988US4742998 Viscous damper
05/10/1988CA1236558A1 Method and system for depth sounding
05/04/1988EP0266138A2 Three-axis sensor
05/04/1988EP0266054A1 Simultaneous performance of multiple seismic vibratory surveys
05/03/1988US4742497 Method of processing seismic data
05/03/1988US4742496 Method of evaluating gravel packs
05/03/1988US4742495 Acoustic energy transmitter for borehole logging
05/03/1988US4742402 Seismoelectric signal recording device
05/03/1988US4742230 X-ray image detecting apparatus
05/03/1988CA1236207A1 Method for identifying arrival times of waveforms on acoustic borehole well logs
04/1988
04/27/1988EP0264509A1 Optical seismic detector
04/27/1988EP0247187A4 Tubular article.
04/26/1988US4740930 Surface processing and display of borehole televiewer signals
04/26/1988US4740929 Method for suppressing noise in seismic data
04/26/1988US4740928 Sonic logging system
04/26/1988US4739859 For transmitting powerful seismic energy impulses into the earth
04/26/1988US4739858 Spectrally-shaped air gun arrays
04/26/1988US4739857 Seismic source using self-propelled projectile
04/26/1988US4739830 Acoustic Emission/Microseismic Activity
04/26/1988CA1235786A1 Marine seismic streamer coupler
04/20/1988EP0264323A2 Method and apparatus for multipole acoustic logging
04/20/1988CN86104003B Narrow-band short sequence seismical system
04/19/1988CA1235473A1 Matching p wave and shear wave sections in seismic exploration
04/19/1988CA1235472A1 Method of geophysical prospecting for polymineral ore bodies
04/19/1988CA1235471A1 Method and means for determining the subsurface position of a blowing well with respect to a relief well
04/14/1988DE3701039A1 Seismic pulse source transducer
04/13/1988EP0263149A1 Nondestructive downhole seismic vibrator source and processes of utilizing the vibrator to obtain information about geologic formations.
04/13/1988EP0263148A1 Downhole electromagnetic seismic source.
04/12/1988US4737938 Seismic prospecting method using vehicles moving in opposite directions
04/12/1988US4737937 Marine seismic streamer employing variable hydrophone density
04/12/1988US4736796 Tamp hole plug system and method
04/06/1988EP0263028A2 Method for cementation evaluation using acoustical coupling and attenuation
04/06/1988EP0262951A2 Floats for use in seismic surveys of sub-sea geology
04/05/1988USH462 Marine cable geophone assembly
04/05/1988US4736349 Method for estimating shear wave reflection data from acquired compressional wave reflection data
04/05/1988US4736348 Method and apparatus for logging the characteristics of materials forming the walls of a borehole
04/05/1988US4736347 Multiple stacking and spatial mapping of seismic data
04/05/1988US4736346 System for interconnecting elements of a receiving device of great length, whereby the number of recording traces corresponding to the sensed signals can be doubled
04/05/1988US4736345 Compliant spacer for a marine seismic streamer
04/05/1988US4736299 Reflection seismograph method and apparatus
04/05/1988US4735281 Internal bubble-suppression method and apparatus
04/05/1988US4735280 For generating and coupling into an earth medium
04/05/1988US4735088 For identifying changes in geometrical characteristics of objects
03/1988
03/30/1988EP0261825A2 Method and apparatus for acoustic logging of boreholes
03/30/1988EP0261253A1 Hydroacoustic apparatus
03/30/1988EP0093767B1 Method for determining source and receiver statics in marine seismic exploration
03/29/1988US4734894 Electroacoustic pulse source for high resolution seismic prospectings
03/29/1988US4734891 Aft drogue module for towed sonar array
03/29/1988US4733747 System and method for eliminating wave form distortion in multi-unit seismic source prospecting
03/29/1988US4733567 Method and apparatus for measuring in situ earthen stresses and properties using a borehole probe
03/29/1988CA1234617A1 Pneumatically-operated liquid slug projector apparatus
03/24/1988WO1988001911A1 Atmospheric variable compensation for an automated inspection system
03/22/1988US4733382 Pneumatically-operated liquid slug projector apparatus
03/22/1988US4733380 Apparatus and method for acoustically investigating a casing set in a borehole
03/22/1988US4733379 Line array transducer assembly
03/22/1988US4732041 Automobile theft sensor
03/22/1988CA1234426A1 Seismic data transcription system
03/22/1988CA1234425A1 Method and apparatus for multi-line seismic exploration
03/16/1988EP0260173A1 Piezo-electric hydrophones with improved sensitivity
03/16/1988EP0260165A1 Process and apparatus for initiating data acquisition devices, in particular those for seismic data
03/16/1988EP0260078A2 Data transmission method for ocean acoustic tomography
03/15/1988US4730692 Underwater vibrator
03/10/1988WO1988000711A3 Seismic processing apparatus
03/08/1988US4729429 Hydraulic pressure propelled device for making measurements and interventions during injection or production in a deflected well
03/02/1988EP0257231A2 Method and apparatus for the generation and transmission of signals for echo location and other signaling purposes, particularly in geophysical exploration
03/02/1988CN87103812A Method & apparatus for inducing elliptically polarized shear waves in earth medium
03/02/1988CN87103769A Apparatus for generating elliptically polarized shear waves
03/02/1988CN87103768A Method of seismic exploration using elliptically polarized shear waves
03/01/1988US4729101 Method for identifying and separating the effects of elastic and anelastic formation properties in seismic data
03/01/1988US4729066 Method and apparatus for the generation and transmission of signals for echo location and other signaling purposes, particularly in geophysical exploration
03/01/1988US4727956 Method and apparatus for signal improvement in marine seismic exploration
02/1988
02/24/1988EP0256627A2 Apparatus for generating shear waves in an earth medium
02/24/1988EP0256626A2 Method and apparatus for inducing elliptically polarized shear waves in an earth medium
02/24/1988EP0256625A2 Method of seismic exploration using elliptically polarized shear waves
02/24/1988CN87100214A Predictor for forecasting weather and earthquake within the future 18 hours
02/23/1988US4727521 Seismic amplifier means and method
02/23/1988US4727488 Method and apparatus for detecting seismic events by identifying crossings in the Nth derivative of a waveform
02/23/1988US4726315 Apparatus for towing arrays of geophysical devices
02/16/1988US4725995 Cartridge retention system for use with a seismic streamer
02/16/1988US4725992 Adaptive seismometer group recorder having enhanced operating capabilities
02/16/1988US4725991 Method for controlling blasting operations
02/16/1988US4725990 Marine shear cable
02/16/1988US4725950 Marine seismic signal processor with D.C. offset compensation method
02/16/1988CA1232774A1 Multisensor ground-force measuring means for vibroseis
02/09/1988US4724532 Vibrator response linearization circuit
02/09/1988US4723501 Arrangement in a floating body for use during borehole-seismic measurements
02/02/1988USH435 Acoustic source
02/02/1988US4723231 Source tunable array for ground roll reduction
02/02/1988US4723230 High ambient liquid pressure-resistant electrical connector
02/02/1988US4722417 Seismic wave generation by a downhole source
02/02/1988US4722224 Ultrasonic sensor for the detection of gas bubbles
02/02/1988CA1232350A1 Phase of rectified trace seismic parameter
02/02/1988CA1232349A1 3-d underwater seismic survey
01/1988
01/28/1988WO1988000711A2 Seismic processing apparatus
01/27/1988EP0254325A2 Process for three-dimensional mathematical modeling of underground geologic volumes
01/26/1988US4721181 Base plate locator for seismic source
01/26/1988US4721180 Marine seismic source array
01/20/1988EP0252971A1 System for marine seismic exploration.