| Patents for G01V 1 - Seismology; Seismic or acoustic prospecting or detecting (27,288) | 
|---|
| 06/19/1990 | US4935905 Method and apparatus for seismic exploration | 
| 06/19/1990 | US4935904 Method for suppressing coherent noise in seismic data | 
| 06/19/1990 | US4935903 Reinforcement of surface seismic wavefields | 
| 06/13/1990 | EP0372908A2 Telemetry system | 
| 06/12/1990 | US4933913 Method of seismic surveying for resolving the effects of formation anisotropy in shear wave reflection seismic data | 
| 06/12/1990 | US4933912 Three dimensional seismic prospecting method | 
| 06/09/1990 | CA2003632A1 Towed array streamer | 
| 06/06/1990 | EP0371870A1 Method and apparatus for acquiring and treating signals obtained in boreholes, especially in horizontal boreholes | 
| 06/05/1990 | US4932004 Distributed geophone data acquisition system | 
| 06/05/1990 | US4932003 Acoustic quadrupole shear wave logging device | 
| 05/29/1990 | US4930113 Suppression of air-coupled noise produced by seismic vibrators | 
| 05/29/1990 | US4930111 Overlap correlator synthetic aperture processor | 
| 05/29/1990 | US4930110 Method for conducting three-dimensional subsurface seismic surveys | 
| 05/29/1990 | US4930109 Method and apparatus of measuring ultrasonic time travel information obtained from logging operations in a well borehole | 
| 05/29/1990 | US4928784 Anti-bounce device for preventing the multiple shocks of a moving mass after a first impact against another element | 
| 05/29/1990 | US4928783 Well borehole sound source | 
| 05/23/1990 | CN1042421A Marine seismic source frame | 
| 05/22/1990 | US4928269 Determining impedance of material behind a casing in a borehole | 
| 05/22/1990 | US4928263 Hydrophones and similar devices | 
| 05/22/1990 | US4928262 Marine seismic streamer retrieval system | 
| 05/22/1990 | US4928031 Pressure/temperature compensated transducer pad assembly | 
| 05/18/1990 | CA2003280A1 Demountable hydrophone cable connector | 
| 05/18/1990 | CA2003279A1 Construction of towed streamers | 
| 05/16/1990 | EP0368472A1 A fastening member and fastening arrangement for seismic equipment | 
| 05/16/1990 | EP0368440A2 Vibratory seismic source | 
| 05/15/1990 | US4926397 Hydrophone for use in a body of water | 
| 05/15/1990 | US4926394 Monte Carlo method for estimating lithology from seismic data | 
| 05/15/1990 | US4926393 Multifold vertical seismic profile acquisition method and technique for imaging the flank of a salt dome | 
| 05/15/1990 | US4926392 Method and apparatus for obtaining seismic vibrator reflection data | 
| 05/15/1990 | US4926391 Signal processing to enable utilization of a rig reference sensor with a drill bit seismic source | 
| 05/15/1990 | US4924950 Method of drilling a well by utilizing AE/MA measurement | 
| 05/15/1990 | CA1269166A1 Method and apparatus for determining cement conditions | 
| 05/09/1990 | EP0367349A2 Method for processing marine seismic data | 
| 05/09/1990 | CN1041979A Recognizing unwanted material in textile fibres | 
| 05/08/1990 | US4924449 Acoustic sub-surface interrogator | 
| 05/08/1990 | US4924390 Method for determination of earth stratum elastic parameters using seismic energy | 
| 05/08/1990 | US4923030 Device for generating acoustic waves by causing a falling mass to strike a target element coupled with the walls of a well | 
| 05/08/1990 | CA1268851A1 Method and apparatus for generating underwater acoustics | 
| 05/02/1990 | EP0366224A2 True-amplitude dip moveout correction | 
| 05/01/1990 | US4922473 Enclosure for suppression of air-coupled noise produced by seismic vibrators | 
| 05/01/1990 | US4922472 Apparatus for inducing elliptically polarized shear waves in an earth medium | 
| 05/01/1990 | US4922467 Acoustic detection apparatus | 
| 05/01/1990 | US4922466 Method and apparatus for presenting seismic traces | 
| 05/01/1990 | US4922465 Interpolation of severely aliased events | 
| 05/01/1990 | US4922362 Methods for deconvolution of unknown source signatures from unknown waveform data | 
| 05/01/1990 | US4921068 Internal bubble-suppression method and apparatus | 
| 05/01/1990 | US4920802 Ultrasonic check valve inspection | 
| 05/01/1990 | CA1268534A1 Vertical marine flute | 
| 04/30/1990 | CA2001763A1 Method for processing marine seismic data | 
| 04/25/1990 | EP0365270A2 Processing seismic data | 
| 04/25/1990 | EP0364786A1 Identification of foreign matter in textile fibres | 
| 04/24/1990 | US4920523 Hydrophone mount | 
| 04/24/1990 | US4919646 System for automatically balancing a centrifuge in operation | 
| 04/18/1990 | EP0364160A2 Improvements in or relating to arrays | 
| 04/17/1990 | US4918670 Method for interval velocity analysis and determination of reflector position from before stack seismic data | 
| 04/17/1990 | US4918669 Method and apparatus for sonic dip measurement | 
| 04/17/1990 | US4918668 Marine vibrator tuneable array | 
| 04/17/1990 | US4918666 Tubular piezo-electric sensor with high sensitivity | 
| 04/17/1990 | CA1267967A1 Hydraulic fracture analysis method | 
| 04/11/1990 | CN1007555B Entropy guided deconvolution of seismic signals | 
| 04/10/1990 | US4916673 Method and apparatus for detecting the peak of an analog signal | 
| 04/10/1990 | US4916648 Ultrasonic logging apparatus with improved receiver | 
| 04/10/1990 | US4916615 Method for stratigraphic correlation and reflection character analysis of setsmic signals | 
| 04/04/1990 | EP0361216A2 Loose rock detector | 
| 04/04/1990 | CN1041040A Liquid acoustic waveguide tube | 
| 04/03/1990 | US4914636 Method and device for acquisition of seismic data | 
| 04/03/1990 | CA1267469A1 Device for the reception of seismic signals and their transmission to a central-control and recording system | 
| 03/28/1990 | EP0360652A1 Signal reception system that can be linked to the wall of a well or borehole | 
| 03/28/1990 | CN1040869A Method for evaluating and suppressing anomalous noise amplitudes in seismic data | 
| 03/27/1990 | US4912684 Seismic streamer communication system | 
| 03/27/1990 | US4912683 Method for acoustically measuring wall thickness of tubular goods | 
| 03/27/1990 | US4912682 Point location determination at or close to the surface | 
| 03/27/1990 | US4911244 Marine casing suspension apparatus | 
| 03/27/1990 | US4911012 Sewer line detection system | 
| 03/21/1990 | EP0260165B1 Process and apparatus for initiating data acquisition devices, in particular those for seismic data | 
| 03/20/1990 | US4910718 Method and apparatus for acoustic emission monitoring | 
| 03/20/1990 | US4910716 Suppression of coherent noise in seismic data | 
| 03/20/1990 | US4910715 Marine seismic streamer cable | 
| 03/14/1990 | EP0358390A2 Piezoelectric transducer | 
| 03/14/1990 | CN1040412A Image method for well log | 
| 03/13/1990 | US4908803 Semi-sequential transmission method and system using simultaneously several radio transmission frequencies for connecting a seismic reception assembly to a central control and recording laboratory | 
| 03/13/1990 | US4908802 Apparatus for fiber optic seismic exploration system | 
| 03/13/1990 | US4908801 Real-time simulation of the far-field signature of a seismic sound source array | 
| 03/13/1990 | US4907670 Seismic exploration using compressional and shear waves simultaneously | 
| 03/07/1990 | EP0357539A2 Infra-sonic detector and alarm with self adjusting reference | 
| 03/07/1990 | EP0357268A2 Multicomponent transducer | 
| 03/07/1990 | CN1040269A Anti-bounce device for preventing multiple shocks of moving mass after first impact against another element | 
| 03/06/1990 | US4907206 Method for estimating formation lithology | 
| 03/06/1990 | US4907205 Method for attenuating multiple reflection events in seismic data | 
| 03/06/1990 | US4907204 Method for identifying formation fractures surrounding a well casing | 
| 03/06/1990 | US4905517 Multicomponent transducer | 
| 03/06/1990 | CA1266390A1 Small powerful hydro gun | 
| 02/28/1990 | EP0355954A2 Multi-barrel subsea air gun module | 
| 02/28/1990 | CN1040099A Hydrocarbon detecting method of prospecting earthquake | 
| 02/27/1990 | US4905209 Correlation match filter for passive signal detection | 
| 02/27/1990 | US4905205 Method for transmitting to a central recording device seismic data collected by acquisition apparatus distributed over the ground and a device for implementing same | 
| 02/27/1990 | US4905204 Method of suppressing noise from a related seismic traces | 
| 02/27/1990 | US4904956 Linear digital frequency sweep synthesizer | 
| 02/27/1990 | US4904943 Method for detecting long waves and predicting earthquakes | 
| 02/22/1990 | WO1990001712A1 A geophone system |