Patents for G01V 1 - Seismology; Seismic or acoustic prospecting or detecting (27,288) |
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10/07/1987 | CN87101987A Nondestructive downhole seismic vibrator source and processes of utilizing vibrator to obtain information about geologic formations |
10/07/1987 | CN87101970A Downhole electromagnetic seismic source |
10/06/1987 | US4698793 Methods for processing sonic data |
10/06/1987 | US4698792 Method and apparatus for acoustic dipole shear wave well logging |
10/06/1987 | US4698791 Acoustic well logging method for improved amplitude data acquisition |
10/06/1987 | US4698759 Process for structural geologic analysis of topography and point data |
10/06/1987 | US4697667 Debris ejector for a seismic vibrator |
10/06/1987 | US4697650 Method for estimating formation characteristics of the exposed bottomhole formation |
09/30/1987 | EP0239464A2 Seismic and logging tool and method |
09/30/1987 | EP0238736A1 Seismic pulse generation |
09/29/1987 | US4697255 Implosion type energy source for seismic exploration |
09/29/1987 | CA1227576A1 Method for removing noise from data |
09/29/1987 | CA1227557A1 Robust estimator method for determining, when subsequent data processing can include sign-bit representations of full-waveform seismic traces |
09/24/1987 | WO1987005708A1 Nondestructive downhole seismic vibrator source and processes of utilizing the vibrator to obtain information about geologic formations |
09/24/1987 | WO1987005707A1 Downhole electromagnetic seismic source |
09/23/1987 | EP0237616A2 Line array transducer assembly |
09/23/1987 | EP0237561A1 Audio and video digital recording and playback system |
09/22/1987 | US4695988 Underwater piezoelectric arrangement |
09/22/1987 | US4695987 Hydroacoustic apparatus |
09/22/1987 | US4695984 Method for establishing a surface consistent correction for the effects of the low velocity layer in seismic data processing |
09/22/1987 | US4695787 Device for detecting and locating penetration of water into a marine acoustic streamer |
09/16/1987 | EP0113369B1 Scaling of sound source signatures in underwater seismic exploration |
09/15/1987 | US4694438 Time-offset-frequency-amplitude panels for seismic identification of hydrocarbons |
09/15/1987 | US4694436 Noise-attenuating streamer-cable bulkhead |
09/15/1987 | US4694435 For receiving acoustic waves in water ar different depth levels |
09/15/1987 | US4694304 Earthquake displacement recorder |
09/15/1987 | US4694162 Sign bit optical-electrical geophone |
09/15/1987 | US4693336 Underwater seismic testing |
09/15/1987 | US4693335 Multi channel borehole seismic surveying tool |
09/15/1987 | CA1226931A1 Acoustic lens for marine seismic data multiple reflection noise reduction |
09/11/1987 | WO1987005404A1 Noise suppression during seismic exploration |
09/09/1987 | EP0236226A1 Hanging structure for coupling a seismic source to a bore hole wall |
09/09/1987 | EP0115717B1 Apparatus for radio and cable transmission of signals between a central control and recording system and data acquisition units |
09/09/1987 | CN86207534U Ultrasonic image logging detector with a gyroscope |
09/08/1987 | US4692912 Automatic force control for a seismic vibrator |
09/08/1987 | US4692910 Methods of determining lithological characteristics of an underground formation which utilize compressional velocity and shear velocity data |
09/08/1987 | US4692909 Adaptive seismic signal processor |
09/08/1987 | US4692908 Method and apparatus for investigating stand-off in a borehole |
09/08/1987 | US4692907 For use in a seismic cable |
09/08/1987 | US4692906 Ocean bottom seisometer |
09/08/1987 | US4692905 Method for geophysical prospecting of complex orebodies |
09/08/1987 | US4691803 Projectile powered piston |
09/08/1987 | CA1226621A1 Remote calibration for acoustic transducer array |
09/01/1987 | US4691307 AGC circuit for televiewer |
09/01/1987 | US4691306 Method for the processing of recordings of signals resulting from a seismic exploration of a medium |
09/01/1987 | US4689997 Motion detector suitable for detecting earthquakes and the like |
08/25/1987 | US4689777 Marine seismic cable |
08/25/1987 | US4689774 Seismic streamer section |
08/25/1987 | CA1226064A1 Method of seismic lithologic modeling |
08/20/1987 | DE3701189A1 Method and device for fitting seismic sensors in an oil production well |
08/20/1987 | DE3611374C1 Chain-shaped arrangement of several borehole probes |
08/19/1987 | EP0232646A1 Immobilizing device for a cardan-mounted detector set |
08/18/1987 | US4688198 Entropy guided deconvolution of seismic signals |
08/12/1987 | EP0232010A2 Acoustic energy transmitter for borehole logging |
08/12/1987 | EP0231690A1 Device for amplifying and sampling analog multiplex signals |
08/12/1987 | EP0231679A1 Device for amplifying and scanning signals with wide dynamic range |
08/11/1987 | US4686660 Assembly for use in seismic surveys of the sea bed |
08/11/1987 | US4686657 Matching P wave and shear wave sections in seismic exploration |
08/11/1987 | US4686655 Filtering system for processing signature signals |
08/11/1987 | US4686654 Method for generating orthogonal sweep signals |
08/11/1987 | US4686653 Method and device for making geophysical measurements within a wellbore |
08/11/1987 | US4686474 Survey system for collection and real time processing of geophysical data |
08/11/1987 | CA1225457A1 Wide band acoustic receiver transducer |
08/05/1987 | EP0231063A2 Borehole logging method for determining the damping of acoustic tube waves in subsurface formations along a borehole wall |
08/05/1987 | EP0230812A1 Seismic probe, in particular for use in a non-tubed borehole |
08/05/1987 | EP0230415A1 Electroacoustic pulse source for high resolution seismic prospectings. |
08/04/1987 | US4685094 Lateral compliance device for geophone springs |
08/04/1987 | US4685092 Method and apparatus for the acoustic inspection of a borehole fitted with casing |
08/04/1987 | US4685091 Method and apparatus for acoustic well logging |
08/04/1987 | US4685090 Tubular article |
08/04/1987 | US4684958 Seismic displacement recorder for base-isolated structures |
08/04/1987 | US4684947 Simultaneous digitizing apparatus for an acoustic tool |
07/30/1987 | EP0202246A4 Seismic generator. |
07/29/1987 | EP0230372A2 Vibratory seismic source for generating combined compressional and shear waves |
07/29/1987 | EP0230360A2 Apparatus for generating low frequency acoustic energy waves |
07/29/1987 | CN87100310A Process and device for installing seismic sensors inside petroleum production well |
07/28/1987 | US4683558 Control system for inclined impact-type surface seismic source |
07/28/1987 | US4683557 Acoustic logging method for identifying subsurface formation boundaries |
07/28/1987 | US4683556 Method for identifying arrival times of waveforms on acoustic borehole well logs |
07/28/1987 | US4682669 Transportable hydraulic seismic transducer |
07/21/1987 | US4682309 Device for generating acoustic pulses by implosion, inside a well |
07/21/1987 | US4682308 Rod-type multipole source for acoustic well logging |
07/21/1987 | US4682307 Underwater seismic testing |
07/21/1987 | US4682248 Audio and video digital recording and playback system |
07/16/1987 | WO1987004258A1 System for marine seismic exploration |
07/15/1987 | EP0228932A1 Apparatus for use in the seismic exploration of the sea for the receipt of seismic signals and their transmission to a central control and recording system |
07/15/1987 | EP0228832A1 Support member for pressure sensor |
07/14/1987 | US4680741 Method and apparatus for seismic exploration using non-linear sweeps |
07/14/1987 | CA1224263A1 Acoustic multipole compressional wave logging |
07/08/1987 | EP0228231A2 Method for seismic dip filtering |
07/08/1987 | EP0228134A2 Axial borehole televiewer |
07/08/1987 | EP0227710A1 Device for the hydrodynamic generation of acoustic pulses in a liquid volume. |
07/07/1987 | US4679174 Method for seismic lithologic modeling |
07/07/1987 | CA1223953A1 Distributed marine seismic source |
06/30/1987 | US4677598 Seismic data acquisition method |
06/30/1987 | US4677597 Method for enhancing common depth point seismic data |
06/30/1987 | US4677596 Method of detecting and correcting impulse noise errors in log data |
06/30/1987 | US4676337 Seismic vibrator baseplate |
06/24/1987 | EP0226366A2 Adaptive seismometer group recorder and method of seismic exploration |
06/24/1987 | EP0226224A2 Electromechanical transducer |