| Patents for G01V 1 - Seismology; Seismic or acoustic prospecting or detecting (27,288) |
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| 04/26/1989 | CN1032591A Improved method for estimating shear wave reflection data from acquired compressional wave reflection data |
| 04/25/1989 | US4825421 Signal pressure pulse generator |
| 04/20/1989 | WO1989003536A1 Bandwidth enhancing seismic acquisition system and method |
| 04/19/1989 | EP0312263A2 Method for geophysical exploration |
| 04/19/1989 | CN1032459A Method for removing doppler phase dispersion from seismic data |
| 04/18/1989 | US4823326 Seismic data acquisition technique having superposed signals |
| 04/18/1989 | US4823325 Streamer retrieval system and method |
| 04/11/1989 | US4821246 Electromagnetic vibrator for seismic and civil-engineering applications |
| 04/11/1989 | US4821242 Depositional reconstruction for petroleum location |
| 04/11/1989 | US4821241 Use in a body of water |
| 04/11/1989 | US4821164 Process for three-dimensional mathematical modeling of underground geologic volumes |
| 04/11/1989 | US4819759 Telescoping actuator for impulsive seismic source |
| 04/05/1989 | EP0310253A2 A method for removing doppler phase dispersion from seismic data |
| 04/05/1989 | CN1032240A Receiver of alternative electric information for premonition of earthquake |
| 04/04/1989 | US4819216 Integrated hydrophone preamplifier telemetry assembly |
| 04/04/1989 | US4819214 Sonic logging system |
| 04/04/1989 | US4817755 Suspended structure for coupling seismic sources to the walls of a borehole |
| 03/29/1989 | EP0309152A2 Improved method for estimating shear wave reflection data from acquired compressional wave reflection data |
| 03/29/1989 | EP0309151A2 Improved method for estimating shear wave reflection data from acquired compressional wave reflection data |
| 03/29/1989 | EP0308718A2 Apparatus for marking particular spots of a submarine construction |
| 03/28/1989 | US4817062 Method for estimating subsurface porosity |
| 03/28/1989 | US4817061 Seismic surveying technique for the detection of azimuthal variations in the earth's subsurface |
| 03/28/1989 | US4817060 Process for directly detecting the presence of hydrocarbons in a rock formation |
| 03/28/1989 | US4817059 Borehole logging methods for detection and imaging of formation structural features |
| 03/28/1989 | US4815557 Down hole seismographic source |
| 03/28/1989 | CA1251851A1 Method for suppressing noise in seismic data |
| 03/22/1989 | EP0308222A2 Point location determination at or close to the surface of the sea |
| 03/21/1989 | US4815044 Seismic signal transmission system using relay radios |
| 03/21/1989 | US4814711 Survey system and method for real time collection and processing of geophysicals data using signals from a global positioning satellite network |
| 03/21/1989 | CA1251551A1 Method for monofrequency noise removal |
| 03/21/1989 | CA1251550A1 Response waveform characterization of geophysical data |
| 03/14/1989 | USRE32888 Apparatus and method for selectively activating plural electrical loads at predetermined relative times |
| 03/14/1989 | US4813029 Geophone apparatus and a seismic exploration method |
| 03/14/1989 | US4813028 Acoustic well logging method and apparatus |
| 03/14/1989 | US4813027 Method and apparatus for enhancing seismic data |
| 03/14/1989 | US4813026 Method for logarithmic analysis of seismic reflection signals |
| 03/14/1989 | US4812978 Reduction of data logging in seismic data processing |
| 03/14/1989 | US4811815 Process and a device for hydrodynamic sound pulse generation in a liquid |
| 03/14/1989 | US4811814 Measuring device for a seismic profile within a well-bore |
| 03/08/1989 | EP0305367A1 Method for selection of mining and drilling sites using synthesized three dimensional seismic data |
| 03/08/1989 | CN1031604A Oscillating orbital vibrator |
| 03/07/1989 | US4811311 Seismic detector assembly having polarized terminals |
| 03/07/1989 | US4811308 Seismo-acoustic detection, identification, and tracking of stealth aircraft |
| 03/07/1989 | US4810913 Increased sensitivity piezoelectric hydrophones |
| 03/07/1989 | US4809554 Ultrasonic insect detector |
| 03/07/1989 | CA1250944A1 Method for lithology detection |
| 03/01/1989 | EP0305240A1 Method and device for modifying the transmission coefficient of the energy created by a borehole's seismic source towards geological formations |
| 03/01/1989 | EP0304988A1 Method and apparatus for producing pressure variations in a drilling fluid |
| 03/01/1989 | CN2033516U 沼泽检波器 Marsh geophone |
| 02/28/1989 | US4809245 Seismic detector housing assembly |
| 02/28/1989 | US4809244 Support member for pressure sensor |
| 02/28/1989 | US4809243 Streamer cable |
| 02/28/1989 | US4809240 Method for interpreting seismic data |
| 02/28/1989 | US4809239 Method for evaluating parameters related to the elastic properties of subsurface earth formations |
| 02/28/1989 | US4809238 Method for restoring the background appearance of two-dimensional filtered seismic data |
| 02/28/1989 | US4809237 Method for monitoring the goodness of the cement bond to a borehole casing |
| 02/28/1989 | US4809236 Method and apparatus for determining the magnitude of components of measurements made from inside a borehole |
| 02/28/1989 | US4809235 Method for removing doppler phase dispersion from seismic data |
| 02/28/1989 | US4808996 Simultaneous digitizing apparatus for an acoustic tool |
| 02/22/1989 | CN1031283A Acoustic-wave transmitting system for automatically controlling the deflection of acoustic beam by phase-shift method |
| 02/22/1989 | CN1031282A Method and device for improving coefficient of transmission to geological formations of energy created by well seismic source |
| 02/21/1989 | US4807200 Method and apparatus for gathering seismic data and selectively controlling isolated distributed recorders in an isolated distributed recording system |
| 02/21/1989 | US4807199 Bottom shear modulus profiler |
| 02/21/1989 | US4806931 Sound pattern discrimination system |
| 02/21/1989 | US4805727 Down hole periodic seismic generator |
| 02/21/1989 | US4805726 Controlled implosive downhole seismic source |
| 02/21/1989 | US4805725 Nondestructive downhole seismic vibrator source and processes of utilizing the vibrator to obtain information about geologic formations |
| 02/15/1989 | EP0303536A1 A method of coupling a seismic detector module to the wall of a borehole, and a sonde for implementing the method |
| 02/15/1989 | EP0303326A2 Apparatus for detecting unwanted liquid contamination in oil drums prior to their filling |
| 02/15/1989 | EP0302929A1 Videosystem |
| 02/15/1989 | CN1031135A Suspension type eddy seismonmeter |
| 02/14/1989 | US4805160 Data transmission method for ocean acoustic tomography |
| 02/14/1989 | US4805156 System for acoustically determining the quality of the cement bond in a cased borehole |
| 02/14/1989 | US4804062 Baseplate assembly for seismic wave generator |
| 02/14/1989 | CA1250041A1 Data processing |
| 02/14/1989 | CA1250040A1 Electroacoustic pulse-source for high resolution seismic prospectings |
| 02/08/1989 | EP0302152A1 Oscillating orbital vibrator |
| 02/07/1989 | US4803669 Three-component three-dimensional seismic data acquisition |
| 02/07/1989 | US4803668 Method of 3-D seismic imaging for structures with approximate circular symmetry |
| 02/07/1989 | US4803666 Multisource multireceiver method and system for geophysical exploration |
| 02/07/1989 | CA1249876A1 Method and apparatus for automatically producing representations of three-dimensional horizons from processed seismic data |
| 02/07/1989 | CA1249875A1 Directional acoustic logger apparatus and method |
| 01/31/1989 | US4802147 Method for segregating and stacking vertical seismic profile data in common reflection point bins |
| 01/31/1989 | US4802146 Method for moveout correction and stacking velocity estimation of offset VSP data |
| 01/31/1989 | US4802145 Method and apparatus for determining cement conditions |
| 01/31/1989 | US4802144 Hydraulic fracture analysis method |
| 01/31/1989 | US4801838 Method and device for improving the sensitivity and the signal to noise ratio of piezo-electric transducers having a plurality of sensors combined in parallel |
| 01/31/1989 | US4800981 Stabilized reference geophone system for use in downhole environment |
| 01/25/1989 | EP0300477A2 Method of analysing the structure of a medium, particularly useful for seismic prospecting |
| 01/24/1989 | US4800539 Method and apparatus for seismic dip filtering |
| 01/24/1989 | US4800538 Method of and systems for seismic exploration |
| 01/24/1989 | US4800537 Method and apparatus for determining cement conditions |
| 01/24/1989 | US4800267 Optical fiber microbend horizontal accelerometer |
| 01/24/1989 | US4799572 Amphibious seismic source |
| 01/18/1989 | EP0299862A2 Method for evaluating parameters related to the elastic properties of subsurface earth formations |
| 01/18/1989 | EP0201576B1 Method for detecting the position of the band edge of a material sheet |
| 01/17/1989 | US4799201 Methods and apparatus for reducing correlation sidelobe interference in seismic profiling systems |
| 01/17/1989 | US4799200 Method of acoustically detecting fractures in a borehole |
| 01/17/1989 | US4798261 Small powerful hydro gun |
| 01/17/1989 | US4798156 Arrangement for deployment of seismic cables |