Patents
Patents for G01V 1 - Seismology; Seismic or acoustic prospecting or detecting (27,288)
06/1992
06/23/1992US5124952 Formation fracture detection using instantaneous characteristics of sonic waveforms
06/23/1992CA1304147C Method for depth imaging multicomponent seismic data
06/17/1992CN1017095B Detecting method of hydrocarbon with seismic prospecting
06/17/1992CN1017094B Bandwidth enhancing seismic acquistion system
06/17/1992CN1017093B Anti-bounce device for preventing multiple shocks of moving mass after first impact against another element
06/17/1992CN1017092B Improved device for generating acoustic waves of seismic prospecting
06/16/1992CA1303720C Borehole televiewer mudcake monitor
06/10/1992CN1016999B Hydrocarbons detecting method of prospecting earthquake
06/09/1992US5121365 Cutting sound enhancement system for mining machines
06/09/1992US5121363 Fracture detection logging tool
06/09/1992CA1303201C Three-axis sensor
06/03/1992CN1016902B Method for receiving electromagnetic radiation before seism and equipment thereof
06/02/1992US5119345 Geophone
06/02/1992US5119343 Transducers for acoustic logging tool
06/02/1992US5119089 Downhole seismic sensor cable
05/1992
05/27/1992CN2105696U Dometic (factory) alarm for earthquake
05/27/1992CN1016822B Bandwidth enhancing seismic acquisition system and method
05/26/1992USRE33937 Active vibration isolation system
05/26/1992US5117400 Optical calibration of towed sensor array
05/26/1992US5117396 Large, air deployable, volumetric hydrophone array
05/26/1992US5115881 Anti-bounce device for a mass striking a target element
05/26/1992US5115880 Piezoelectric seismic vibrator with hydraulic amplifier
05/20/1992CN2105078U Domestic emergency earthquake alarming device
05/19/1992US5113966 Downhole hydraulic seismic generator
05/19/1992CA1301328C System for acquiring and recording signals from a set of sensors in well probes
05/19/1992CA1301303C Method and apparatus for detecting the peak of an analog signal
05/19/1992CA1301302C Method and device for increasing the transmission coefficient to geological formations of the energy generated by a seismic source in a well
05/19/1992CA1301301C Borehole imaging apparatus
05/19/1992CA1301300C Simultaneous performance of multiple seismic vibratory surveys
05/13/1992EP0485261A1 Downhole acoustic transducer
05/13/1992CN2104454U 地震枪发射装置 Earthquake gun emitting device
05/12/1992US5113377 Receiver array system for marine seismic surveying
05/12/1992US5113376 Method for conducting seismic surveys in waters covered with ice
05/12/1992US5113375 Method and apparatus for testing geophones
05/12/1992US5111903 Signal receiving system able to be coupled with the wall of a well or drilling
05/12/1992CA1300436C Arrangement for deployment of seismic cables
05/06/1992CN2103822U Earthquake signal sensor
05/06/1992CN1016570B Piezoelectric sensor comprising at least one pair of flexible sensitive elements of great length
05/06/1992CN1016569B Tubular piezo-electric sensor with high sensitivity
05/05/1992US5111437 Method for positioning seismic sources to flatten CDP fold in VSP surveys
05/05/1992US5111399 Seismic apparatus and method including use of transputers for real time processing of data
05/05/1992US5109947 Distributed seismic energy source
05/05/1992US5109698 Monopole, dipole, and quadrupole borehole seismic transducers
04/1992
04/30/1992WO1992007285A1 Method and pneumatic source for generation of seismic signal
04/28/1992US5109362 Remote seismic sensing
04/28/1992CA1299727C Acoustic detection apparatus
04/28/1992CA1299724C Device for borehole sismic data acquisition and transmission to a central monitoring and recording system
04/22/1992EP0481585A2 Seismic surveying
04/21/1992CA1299278C Device for generating acoustical waves
04/19/1992CA2044934A1 Method for cement evaluation using acoustical logs
04/16/1992WO1992006391A1 Method for maeasuring propped fracture height using acoustic logs
04/15/1992EP0296209B1 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
04/14/1992US5105391 Method for high-resolution seismic recording using detectors planted at shallow depths
04/14/1992US5105390 Acoustic measuring device
04/14/1992US5105356 Method for curve correlation
04/10/1992CA2053117A1 Technique for reducing whirling of a drill string
04/10/1992CA2027192A1 Downhole ultrasonic transit-time flowmetering means and method
04/08/1992EP0479543A2 Obtaining seismic data from well borehole
04/07/1992US5103429 Homeomorphical imaging method of analyzing the structure of a medium
04/07/1992US5103428 Method for optimizing well production rates
04/02/1992CA2052479A1 Telemetry network for downhole multistation seismic recording tools
04/01/1992EP0478422A1 Armowed sheath particularly for a seismic streamer
03/1992
03/31/1992US5101195 Discriminating earthquake detector
03/25/1992EP0477077A1 Synchronizing the sampling of signals with an external event
03/25/1992CN2099985U Domestic multifunctional seismic alarm
03/24/1992US5099455 Passive acoustic aquatic animal finder apparatus and method
03/24/1992US5099236 Borehole televiewer system depth encoding and decoding method
03/19/1992WO1992004590A1 A method to operate with a wire-guided, in air or water, movable vehicle and a device for carrying out the method
03/19/1992CA2088362A1 Method to operate with a wire-guided, in air or water, movable vehicle and a device for carrying out the method
03/18/1992CN2099322U Cone type seism alarm
03/17/1992US5097452 Analysis of migration velocity by migration of velocity spectra
03/17/1992CA1297579C Piezo-electric transducer with several coaxial sensitive elements
03/17/1992CA1297577C Monitoring of movable components
03/11/1992EP0474542A2 Apparatus and method for recognizing carpets and stairs of cleaning robot
03/11/1992EP0474225A2 Acoustic method for localizing subterranean pipes
03/11/1992CN1015835B Method for evaluating and suppressing anomalous noise amplitudes in seismic data
03/11/1992CN1015834B Accurate position seismic wave transmission device
03/11/1992CN1015833B Utilization of satellite thermal infrared abnormality for three-essential on-shock prediction of earthquake
03/10/1992US5095466 Marine seismic prospecting
03/10/1992US5095465 In situ testing with surface seismic waves of materials having properties that change with time
03/10/1992US5095464 Hydrophone checker
03/05/1992DE4129247A1 Short circuit arc welding system - includes second parallel welding current circuit to help control the arc spread and plasma during the arcing phase
03/03/1992USRE33837 Method and apparatus for acoustic well logging
03/03/1992US5093811 Fracture investigation by resonance sweeping technique
03/03/1992US5093660 Acquisition method and device allowing to precisely digitize analog signals
03/03/1992CA1296805C Acquisition device for digitizing high dynamic range signals
03/03/1992CA1296775C Process and apparatus for semi-sequential transmission using several radiofrequencies simultaneously and used to link an earthquake-detecting device to a central control and recording laboratory
03/01/1992WO1992004644A1 Method for acoustically transmitting well drilling data
03/01/1992CA2072128A1 Method for acoustically transmitting well drilling data
03/01/1992CA2048527A1 Method for borehole televiewer analog interface for video cassette recorders
03/01/1992CA2048526A1 Borehole televiewer system depth encoding and decoding method
02/1992
02/26/1992EP0294440B1 Probe and its multidirectional anchoring device in a well
02/26/1992CN1015672B Method for removing doppler phase disersion from seismic data
02/26/1992CN1015671B Oil deposit-described method by earthquake date
02/26/1992CN1015670B Improved method for estimating shear wave reflection data from acquired compressional wave reflection data
02/26/1992CN1015669B Seismic prospection method providing improved knowledge of geological discontinuities of subsoil
02/25/1992US5091891 Seismic pulse generation
02/25/1992US5090245 Three dimensional imaging device using filtered ellipsoidal backprojection
02/25/1992CA1296411C Method and apparatus for detecting unwanted liquid contamination in oil drums prior to their filling
02/22/1992CA2049545A1 Method of mapping a seismic trace