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)
10/1990
10/10/1990CN1009966B Apparatus for generating elliptically polarized shear waves
10/10/1990CN1009965B Method and apparatus for generating seismic waves
10/09/1990US4962490 Acoustic logging method for determining the dip angle and dip direction of a subsurface formation fracture
10/09/1990US4962489 Acoustic borehole logging
10/04/1990CA2013726A1 Hydraulic impedance test method
10/04/1990CA2013725A1 Fracture investigation by resonance sweeping technique
10/03/1990EP0390560A2 Suppression of noise from seismic vibrators
10/03/1990EP0390526A2 Method for identifying formation fractures surrounding a well casing
10/03/1990EP0390501A2 Acoustic borehole logging
10/03/1990EP0271537B1 Method for determining the geometry of a multisource seismic wave emission device
10/02/1990US4961175 Low frequency sound source for acoustic sweeps
10/02/1990US4961143 Method of predicting volcanic eruptions
10/02/1990US4960183 Seismic source firing control system
10/02/1990US4960181 Method and device for improving the coefficient of transmission to geological formations of energy created by a well seismic source
09/1990
09/30/1990CA2010900A1 Suppression of air-coupled noise produced by seismic vibrators
09/25/1990US4959818 Apparatus for generating elliptically polarized shear waves
09/25/1990CA1274618A1 Finding the direction of a sound
09/25/1990CA1274617A1 Device for receiving acoustic waves in a well
09/20/1990WO1990010866A1 Acoustic detection apparatus
09/19/1990EP0388316A2 A sonic well tool transmitter and receiver array including an attenuation and delay apparatus
09/19/1990EP0388315A1 Process and device for logging using a sensor making a circumferential sweep of the wall of the borehole, in particular to calibrate this sensor
09/18/1990US4958333 Shielding for seismic cables
09/18/1990US4958331 Towed sonar receiving array
09/18/1990US4958328 Marine walkaway vertical seismic profiling
09/18/1990CA1274298A1 Apparatus and method for locating towed siesmic floats
09/11/1990US4956822 Method and apparatus for seismic exploration
09/11/1990US4955952 Seismic energy source array
09/11/1990CA1274014A1 Borehole seismic receiver
09/11/1990CA1273850A1 Arrangement in a floating body for use during borehole-seismic measurements
09/05/1990EP0305367A4 Method for selection of mining and drilling sites using synthesized three dimensional seismic data
09/04/1990US4955012 Seismic streamer cable
09/04/1990US4955004 Liquid acoustic waveguide tube
09/04/1990US4954998 Method for reducing noise in drill string signals
09/04/1990US4953657 Time delay source coding
09/04/1990US4953398 Method and apparatus for detecting acoustic vibrations in a borehole
08/1990
08/28/1990US4953146 Streamline seismic streamer-cable casing
08/28/1990US4953144 Third-party detection around pipelines
08/28/1990US4953142 Model-based depth processing of seismic data
08/28/1990US4953140 Method of subterranean mapping
08/28/1990US4953139 Method for restoring and extrapolating seismic traces
08/28/1990US4953138 Enhancing seismic reflection events
08/28/1990US4953137 Method for determining earth stresses in formations surrounding a cased well
08/28/1990US4953136 Downhole seismic exploration device and apparatus
08/23/1990DE3904914A1 Method and device for error reduction in the measurement of three-dimensional movement of measurement points, by means of ultrasound signals
08/22/1990EP0383649A1 Apparatus for detecting and signalling articles dropping into the water
08/22/1990EP0382979A2 Inclinable vibratory seismic source
08/21/1990US4951267 Method and apparatus for multipole acoustic logging
08/21/1990US4951266 Method of filtering sonic well logging data
08/21/1990US4951265 Oil fill procedure for seismic marine streamer
08/21/1990US4951264 Method of measuring the shear modulus profile of a seabed
08/17/1990CA2004260A1 Inclinable vibratory seismic source
08/16/1990DE3903788A1 Acoustic sensor
08/15/1990CN2060556U Domestic earthquake alarm
08/14/1990US4949319 Sonar transducer joint seal
08/14/1990US4949315 Marine acoustic source
08/09/1990DE4004669A1 Seismic vibration meter - with silicone oil filled cube monitored by three=dimensional light barriers
08/08/1990EP0381367A2 Marine vibrator tuneable array
08/07/1990US4947480 Multichannel signal enhancement
08/07/1990US4945987 Method and device for taking measurements and/or carrying out interventions in a sharply inclined well section and its application to production of seismic profiles
08/01/1990EP0380022A2 Marine acoustic source
07/1990
07/31/1990US4945519 Method of geophysical exploration
07/31/1990US4945347 Motion and orientation responsive device for seismic, intrusion, and tilt alarms and the like
07/25/1990EP0378934A1 Mechanism for providing translatory movement in a marine environment, and sonar device equipped with such a mechanism
07/24/1990WO1990008332A1 Method for reducing noise in drill string signals
07/24/1990US4944036 Signature filter system
07/24/1990US4943950 Method for migrating seismic data
07/24/1990US4943918 Seismic data processing method
07/18/1990EP0378021A1 Signal receiver insensitive to static pressure variations
07/17/1990US4942557 Marine seismic system
07/17/1990US4941356 Process for detecting insects
07/17/1990US4941349 Coaxial coiled-tubing cable head
07/12/1990DE3900458A1 Method and device for seismic ground investigations
07/11/1990EP0377017A1 Method for determining the position of seismic streamers in a reflection seismic measuring system.
07/11/1990CN1043845A Signal sensor insensible to static pressure change
07/11/1990CN1043791A Method and apparatus for performing acoustic investigations in a borehole
07/10/1990USRE33257 Mounting and control means for full waveform seismic source
07/10/1990CA1271543A1 Active vibration isolation system employing an electro-rheological fluid
07/04/1990EP0376580A2 Method for acoustically measuring wall thickness of tubular goods
07/04/1990EP0375872A1 Fuze triggered by a tracked vehicle
07/03/1990US4939704 Method, system and apparatus producing powerful seismic energy impulses by implosion useable in wells in the earth
07/03/1990US4939702 Barrier sonar
07/03/1990CA1271128A1 Borehole imaging apparatus
06/1990
06/29/1990CA2005553A1 Method for acoustically measuring wall thickness of tubular goods
06/27/1990EP0375549A2 Method and apparatus for performing acoustic investigations in a borehole
06/27/1990EP0375498A1 Directional linear modular hydrophonic antenna
06/27/1990EP0375304A2 Hydrophone and similar sensor
06/27/1990EP0375118A2 Improvements in or relating to couplings for reducing the transfer of vibration forces
06/27/1990EP0374984A1 Process for predicting the performance quality of an oil bore hole cementation and evaluating this performance
06/27/1990EP0374902A2 Microphone system for determining the direction and position of a sound source
06/27/1990CN1043395A Method of earthquake forecasting at last moment
06/26/1990US4937794 Seismic noise suppression method
06/26/1990US4937793 Processing method for marine seismic surveying utilizing dual streamers
06/26/1990US4937555 Piezoelectric apparatus and process for detection of insect infestation in an agricultural commodity
06/26/1990CA1270937A1 Method and device for determining the long range emission signature of a set of seismic emissions
06/23/1990CA2006565A1 Signal sensor insensitive to static pressure variations
06/20/1990EP0373421A2 Method and apparatus for forcasting seismic events
06/20/1990CN1043185A Method of determining depth of hydraulic fracuture zone in earth
06/20/1990CA2005757A1 Mechanism for obtaining a translation motion in a marine environment and sonar equipped with said mechanism
06/20/1990CA2005756A1 Directional modular linear hydrophonic antenna
06/19/1990US4935908 Finding the direction of a sound
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