| Patents for G01V 1 - Seismology; Seismic or acoustic prospecting or detecting (27,288) |
|---|
| 01/17/1989 | CA1249051A1 Shared sub-array marine seismic source system |
| 01/17/1989 | CA1249050A1 Acoustic device for measuring rock permeability |
| 01/11/1989 | CN1030330A Piezoelectric transducer with multiple sensitive coaxial elements |
| 01/10/1989 | US4797862 Seismic generator |
| 01/10/1989 | US4797861 Method of processing seismic data |
| 01/10/1989 | US4797860 Method for shot point analysis of seismic reflection signals |
| 01/10/1989 | US4797859 Method for determining formation permeability by comparing measured tube waves with formation and borehole parameters |
| 01/10/1989 | US4797668 Acoustic well logging system having multiplexed filter digitizing |
| 01/10/1989 | US4796873 Active vibration isolation system |
| 01/10/1989 | US4796724 Process and devices for producing pressure - or shear-waves in a solid medium |
| 01/10/1989 | US4796723 System for transmitting energy through an apparatus usable for subsoil prospection, lowered inside a well or drill hole |
| 01/04/1989 | EP0297948A1 Piezoelectric transducer comprising several coaxial sensitive elements |
| 01/04/1989 | EP0297852A2 Method for real time display of marine seismic survey data coverage |
| 01/04/1989 | EP0297737A2 Three-dimensional iterative structural modeling of seismic data |
| 01/03/1989 | US4796238 System for measurement of the acoustic coefficient of reflection of submerged reflectors |
| 01/03/1989 | US4796237 Method for acoustic reverberation removal |
| 01/03/1989 | US4796026 Noise tool and method |
| 01/03/1989 | CA1248216A1 Active vibration isolation system |
| 01/03/1989 | CA1248215A1 Implosion crest phasing of several seismic sources |
| 01/03/1989 | CA1248212A1 Device for generating percussive acoustic impulses in a well |
| 12/28/1988 | EP0296987A2 Borehole logging methods for detection and imaging of formation structural features |
| 12/28/1988 | EP0296933A1 Method and means for seismic prospection using induced waves artificially generated in a well |
| 12/28/1988 | EP0296209A1 Method and device for taking measurements and/or carrying out interventions in a substantially inclined well portion and its application to the achievement of seismic profiles. |
| 12/28/1988 | CA1247730A Method for identifying and separating the effects of elastic and anelastic formation properties in seismic data |
| 12/27/1988 | US4794573 Process for separating upgoing and downgoing events on vertical seismic profiles |
| 12/27/1988 | US4794572 Acoustic well logging method and system for obtaining a measure of formation anisotropy |
| 12/27/1988 | US4794295 Acoustic transducer |
| 12/27/1988 | US4793435 Apparatus for generating multiple seismic signals in a wellbore |
| 12/21/1988 | EP0296041A1 Inversion of a vertical seismic profile by minimization of an entropy like function |
| 12/20/1988 | US4792931 Optical seismic detector |
| 12/20/1988 | CA1247226A1 Interpretation of seismic records |
| 12/14/1988 | EP0295096A2 Method of surveying and determining thicknesses and properties of subsurface ground layers without excavation |
| 12/14/1988 | EP0294440A1 Probe and its multidirectional anchoring device in a well. |
| 12/14/1988 | CN88103466A System for acquiring and recording signals delivered by set of sensors disposed in well probes |
| 12/13/1988 | US4791619 Method of detecting and characterizing features in a borehole |
| 12/13/1988 | US4791617 Motion sensing device |
| 12/13/1988 | CA1246731A1 Method for estimating formation characteristics of exposed bottomhole formation |
| 12/07/1988 | EP0294284A1 System for acquiring and recording signals from a group of sensors situated in sounding wells |
| 12/07/1988 | EP0294158A2 Method of vertical seismic profiling |
| 12/06/1988 | USH549 Apparatus and method for locating towed seismic apparatus |
| 12/06/1988 | US4789968 Method and system for seismic exploration employing a dual-dipole hydrophone streamer |
| 12/06/1988 | CA1246195A1 System using one or several remotely guided boats marine operations |
| 11/30/1988 | EP0292744A2 Procedure for determining the position of cable sections towed behind a ship |
| 11/30/1988 | EP0292541A1 Seismic processing and imaging with a drill-bit source. |
| 11/23/1988 | EP0292349A1 Geophone with a sensitive element of a piezoelectric polymer |
| 11/23/1988 | CN88201616U Electronic door bell for earthquake alarm |
| 11/22/1988 | US4787069 Device usable for offshore seismic prospection for receiving seismic signals and transmitting them to a central control and recording system |
| 11/17/1988 | EP0291388A1 Seismic prospection method for learning about subsoil geologic discontinuities |
| 11/16/1988 | CN88102697A Seismic prospection method providing improved knowledge of geological discontinuities of subsoil |
| 11/15/1988 | US4785431 Broad-band hydraulic vibrator |
| 11/15/1988 | US4785430 For generating controlled vibrations |
| 11/15/1988 | US4785196 Method and apparatus for converting seismic traces to synthetic well logs |
| 11/09/1988 | EP0290337A1 Seismic signals equalization method |
| 11/09/1988 | EP0290336A1 Seismic signal velocity filtering |
| 11/09/1988 | EP0289670A1 Method of suppressing vibration seismic signal correlation noise |
| 11/09/1988 | CN88102385A Method for estimating shear wave reflection data from acquired compressional wave reflection data |
| 11/09/1988 | CN88101749A Method for depth imaging multicomponent seismic data |
| 11/08/1988 | US4783771 Nondestructive downhole seismic vibrator source and processes of utilizing the vibrator to obtain information about geologic formations |
| 11/08/1988 | US4783770 Method of three-component reflection seismology |
| 11/08/1988 | US4783769 Method of determining position and dimensions of a subsurface structure intersecting a wellbore in the earth |
| 11/08/1988 | US4782911 Seismic recording |
| 11/08/1988 | US4782910 Bi-polar bender transducer for logging tools |
| 11/01/1988 | US4782446 Vibrator quality control method and system |
| 11/01/1988 | US4781140 Apparatus for towing arrays of geophysical devices |
| 10/26/1988 | EP0288154A2 Method for estimating shear wave reflection data from acquired compressional wave reflection data |
| 10/25/1988 | US4780863 Removable power supply for an ocean bottom seismometer |
| 10/25/1988 | US4780862 Borehole televiewer |
| 10/25/1988 | US4780859 Method of interpreting seismic data |
| 10/25/1988 | US4780858 Borehole televiewer mudcake monitor |
| 10/25/1988 | US4780857 Method for logging the characteristics of materials forming the walls of a borehole |
| 10/25/1988 | US4780856 Off-shore seismic prospection method using a coded vibratory signal and a device for implementing this method |
| 10/25/1988 | US4779702 Arrangement for the switching of devices in motor vehicles |
| 10/19/1988 | CN88101902A Apparatus for collecting seismic data and transmitting it to centre system of control and record while drilling |
| 10/18/1988 | US4779245 Long-life, low-maintenance air gun/hydro gun |
| 10/18/1988 | US4779238 Method for fast slant stack of seismic data |
| 10/18/1988 | US4779237 Method of geophysical exploration including processing and displaying seismic data to obtain a measure of subterranean formation rock properties |
| 10/18/1988 | US4779236 Acoustic well logging method and system |
| 10/18/1988 | US4779055 Device for amplifying and sampling high dynamic signals |
| 10/12/1988 | EP0286518A1 Method and system for acquisition and segregation of the effects of simultaneously arising sources of electromagnetic field and their application to prediction of earthquakes |
| 10/11/1988 | US4777629 Method and apparatus for detecting the peak of an analog signal |
| 10/11/1988 | US4776425 Method for improving coupling with the ground of land based seismic sources |
| 10/05/1988 | EP0285519A1 Apparatus for borehole seismic data acquisition and their transmission to a central control and recording system |
| 10/05/1988 | EP0285501A1 Improved apparatus for producing acoustic waves in water |
| 10/05/1988 | CN88101502A Coaxial, dual chamber seismic air gun |
| 10/04/1988 | US4775962 Marine seismic streamer employing variable aperture flow through spacers |
| 10/04/1988 | US4775960 Method and device for measuring vibrational stresses and velocities of waves propagated within formations surrounding a wellbore |
| 10/04/1988 | US4775028 Method and system for depth sounding |
| 10/04/1988 | US4775027 Seismic sound source |
| 10/04/1988 | US4775009 Process and device for installing seismic sensors inside a petroleum production well |
| 10/04/1988 | CA1242792A1 Method for the processing of recordings of signals resulting from a seismic exploration of a medium |
| 10/04/1988 | CA1242763A1 Parameter telemetering from the bottom of a deep borehole |
| 09/27/1988 | US4774696 Airgun valve with slidable valve seat |
| 09/27/1988 | US4774693 For acoustically logging an earth formation surrounding a borehole |
| 09/27/1988 | US4774474 Device for amplifying and sampling multiplexed analog signals |
| 09/27/1988 | US4773501 Device for generating seismic impulses inside a drilling through the fall of a weight onto an anchored target element |
| 09/22/1988 | WO1988007211A1 Method for selection of mining and drilling sites using synthesized three dimensional seismic data |
| 09/21/1988 | EP0282774A2 Ultrasonic check valve inspection |
| 09/21/1988 | CN88201364U Water-proof earthquake-centre bomb |
| 09/20/1988 | US4771858 Shear wave vibrator vehicle isolation system |
| 09/20/1988 | US4771857 Seismic vibrator support assembly |