| Patents for G01V 1 - Seismology; Seismic or acoustic prospecting or detecting (27,288) |
|---|
| 10/22/1991 | US5060204 Method of layer stripping to determine fault plane stress build-up |
| 10/22/1991 | US5060203 Method of layer stripping to predict subsurface stress regimes |
| 10/22/1991 | US5060202 Method for removing coherent noise from seismic data through T-K filtering |
| 10/17/1991 | WO1991015784A1 Junction for towed submarine linear acoustic antenna |
| 10/17/1991 | WO1991015783A1 Enhanced detection of seismic diffractor targets |
| 10/16/1991 | CN1055427A Seismic early-warning lamp |
| 10/16/1991 | CN1014340B Image method for well log |
| 10/15/1991 | US5058082 Linear hydrophonic antenna and electronic device to remove right/left ambiguity, associated with this antenna |
| 10/15/1991 | US5058081 Method of formation of channels for a sonar, in particular for a towed-array sonar |
| 10/15/1991 | US5058080 Multiple transmission path seismic telemetering system |
| 10/15/1991 | US5058079 Geophysical exploration using velocity picking from trial velocity function sorted time-coherency traces |
| 10/15/1991 | US5058078 Method and apparatus for determining compressional first arrival times from waveform threshold crossing provided by apparatus disposed in a sonic well tool |
| 10/15/1991 | US5058077 Compensation technique for eccentered MWD sensors |
| 10/15/1991 | CA1290843C Hanging structure for coupling sismic sources with bonehole walls |
| 10/15/1991 | CA1290842C Acoustic well logging method and system for obtaining a measure of formation anisotropy |
| 10/08/1991 | US5056066 Method for attribute tracking in seismic data |
| 10/08/1991 | US5056065 System for deploying horizontal line array |
| 10/03/1991 | WO1991015089A1 Transducers for acoustic logging tool |
| 10/02/1991 | EP0448680A1 Directional sensor for terrestrial sound. |
| 10/02/1991 | CN1055067A Multifold vertical seismic profile acquisition method and technique for imaging flank of salt dome |
| 10/01/1991 | US5054006 Seismic-acoustic detection device |
| 10/01/1991 | US5053747 Ultrasonic air-in-line detector self-test technique |
| 10/01/1991 | US5052814 Shallow marine seismic system and method |
| 09/25/1991 | EP0447783A2 Hydroacoustic ranging system |
| 09/25/1991 | CN1014097B System for acquiring and recording signals delivered by set of sensors disposed in well probes |
| 09/25/1991 | CN1014096B Marine seismic source frame |
| 09/25/1991 | CN1014095B Coaxial, dual chamber seismic air gun |
| 09/25/1991 | CN1014094B Downhole electromagnetic seismic source |
| 09/24/1991 | US5051966 Fastening means for seismic equipment |
| 09/24/1991 | US5051965 Acousto-optical marine sensor array |
| 09/24/1991 | US5051963 Process for cancelling stationary sinusoidal noise in seismic data |
| 09/24/1991 | US5051962 Computerized truck instrumentation system |
| 09/24/1991 | US5051961 Method and apparatus for seismic survey including using vertical gradient estimation to separate downgoing seismic wavefield |
| 09/24/1991 | US5051960 Method of removing records of multiple reflection events from seismic data |
| 09/18/1991 | EP0447249A2 Seismic trace interpolation |
| 09/17/1991 | US5050131 Quantitative method for evaluating velocity model quality |
| 09/17/1991 | US5050130 Signal processing to enable utilization of a rig reference sensor with a drill bit seismic source |
| 09/17/1991 | US5050129 Marine seismic data conditioning |
| 09/17/1991 | CA1289235C Method and apparatus for generating seismic waves |
| 09/16/1991 | CA2021674A1 Method for seismic trace interpolation |
| 09/11/1991 | EP0446113A1 Method and apparatus for well logging using directional means for emission and/or reception |
| 09/11/1991 | EP0445907A2 A collision detector for a vehicle |
| 09/10/1991 | US5047997 Sonar projector with liquid mass loading for operation at lower frequency |
| 09/10/1991 | US5047995 Detection of moving objects |
| 09/10/1991 | US5047992 Electromagnetically induced acoustic well logging |
| 09/10/1991 | US5047991 Lithology identification using sonic data |
| 09/10/1991 | US5047933 Full wave form restoration of optically digitized seismic traces |
| 09/10/1991 | US5046443 Steel-fiberglass float |
| 09/10/1991 | CA1288612C Support member for pressure sensor |
| 09/07/1991 | CA2037655A1 Lossing device and method using directional emission and/or reception means |
| 09/04/1991 | EP0445019A2 Acoustic vibration reduction |
| 09/04/1991 | EP0444802A2 Apparatus for imparting seismic signals into the earth |
| 09/04/1991 | EP0444576A2 Method for the determination of hydrocarbon containing underground layers |
| 09/04/1991 | EP0444183A1 Method for modelling a surface and device for implementing same. |
| 09/03/1991 | US5046057 Marine streamer cable |
| 09/03/1991 | US5046056 Self-orienting vertically sensitive accelerometer |
| 09/03/1991 | US5046055 Modification to towed array bulkheads |
| 09/03/1991 | US5046054 Apparatus for distributing lubricant to air guns in a single airline air gun subarray |
| 09/03/1991 | US5044462 Focused planar transducer |
| 09/03/1991 | US5044461 Decoupled borehole sensor |
| 09/03/1991 | US5044460 Downhole seismic exploration device and apparatus |
| 09/03/1991 | US5044160 Mechanism for obtaining a motion of translation in a marine environment |
| 08/29/1991 | DE4006173A1 Investigating underground hydrocarbon-contg. strata - by determining sand and clay contents by reflection-seismic measurement |
| 08/29/1991 | CA2034810A1 Apparatus for imparting seismic signals into the earth |
| 08/28/1991 | EP0443858A2 Ultrasonic scanning of well borehole |
| 08/28/1991 | EP0443234A1 Method for multifold vertical seismic profile data acquisition and processing |
| 08/28/1991 | EP0442980A1 Transducers and alarm systems incorporating them |
| 08/28/1991 | CN2083758U Shallow stratum focus gun & bullet |
| 08/27/1991 | US5043952 Monopole transmitter for a sonic well tool |
| 08/27/1991 | US5043949 Data signal transmission cable and method |
| 08/27/1991 | US5043948 Borehole televiewer system |
| 08/27/1991 | US5042611 Method and apparatus for cross-well seismic surveying |
| 08/23/1991 | WO1991013373A1 Electrooptical sensor system for marine seismic data acquisition |
| 08/23/1991 | CA2075997A1 Electrooptical sensor system for marine seismic data acquisition |
| 08/23/1991 | CA2010842A1 Multifold vertical seismic profile acquisition method and technique for imaging the flank of a salt dome |
| 08/21/1991 | EP0442812A1 Downhole seismic source and method for generating sound waves in a borehole |
| 08/21/1991 | EP0442719A2 Constant offset migration velocity analysis |
| 08/20/1991 | US5041752 Apparatus for detecting and signalling the fall of bodies in water, particularly swimming pools |
| 08/14/1991 | EP0441546A2 System for acoustic logging of subsurface formations |
| 08/14/1991 | EP0408667A4 Acoustic data transmission through a drill string |
| 08/14/1991 | DE4004228A1 Remote inconsistency or foreign body location - uses opto-thermal-acoustic technique to measure surface oscillation and identify target locations |
| 08/14/1991 | CN1013538B Acquisition device for digitizing high dynamic signals |
| 08/14/1991 | CN1013521B Method of seismic prospecting with very high resolution in horizontal borehols |
| 08/14/1991 | CA2035556A1 Constant offset migration velocity analysis |
| 08/14/1991 | CA2009977A1 Downhole doppler flowmeter |
| 08/08/1991 | WO1991011737A1 Earthquake sensor |
| 08/07/1991 | EP0440460A2 Seismic air gun |
| 08/07/1991 | EP0263148B1 Downhole electromagnetic seismic source |
| 08/07/1991 | CA2035606A1 Borehole acoustic logging system having synchronization of acoustic transducer rotation and output |
| 08/06/1991 | US5036945 Sonic well tool transmitter receiver array including an attenuation and delay apparatus |
| 07/31/1991 | EP0324785A4 Atmospheric variable compensation for an automated inspection system |
| 07/31/1991 | CN1013412B Method and apparatus for acoustic dipole shear wave well logging |
| 07/30/1991 | US5036497 Method and apparatus for detecting location of a subterranean pipe |
| 07/30/1991 | US5036496 Method for cement evaluation using acoustical logs |
| 07/30/1991 | US5035297 Anti-bounce device for a mass striking a target element |
| 07/30/1991 | CA1287160C Method and device for the installation of seismic sensors in a producer oil well |
| 07/24/1991 | EP0438307A2 Method of acoustic well logging |
| 07/24/1991 | EP0438306A2 Method for identifying hyrocarbonbearing zones in subsurface formations |
| 07/24/1991 | EP0230415B1 Electroacoustic pulse source for high resolution seismic prospectings |
| 07/24/1991 | CN1053297A Nondestructive seismic vibrator source and processes of utilizing vibrator to obtain information about geologic formations |