Patents for G01V 1 - Seismology; Seismic or acoustic prospecting or detecting (27,288) |
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01/08/1991 | US4982811 Fluid driven torsional dipole seismic source |
01/08/1991 | CA1278852C Method and apparatus for filtering seismic data |
01/08/1991 | CA1278851C Method of acoustic well logging |
01/02/1991 | EP0406080A1 Method and apparatus for registering analogue data allowing accurate digitization |
01/01/1991 | US4982382 Method of modeling subsurface formations |
01/01/1991 | US4982381 Method and device for acquiring and processing signals obtained in wells and particularly in horizontal wells |
01/01/1991 | US4982374 Method of source coding and harmonic cancellation for vibrational geophysical survey sources |
12/29/1990 | CA2020096A1 Acquisition method and device giving an accurate digitization of analog signal |
12/27/1990 | CA1278368C Method and device for improving the sensitivity and the signal-to-noise ratio and piezoelectric transducers comprising a mulitiplicity of parallel mounted sensors |
12/25/1990 | US4980874 Method and apparatus for maximizing seismic shear wave production |
12/25/1990 | US4980866 Common offset depth migration with residual moveout correction |
12/25/1990 | US4980674 Acoustic ash deposition monitor apparatus and method |
12/25/1990 | US4980644 Earthquake detecting magnetometer with movable magnetic compass needle and method of using same |
12/25/1990 | US4979585 Compound suspension linkage |
12/19/1990 | CN1047924A Utilization of satellite thermal infrared abnormality for three-essential on-shock prediction of earthquake above medium intensity |
12/18/1990 | US4979152 Device for transmitting signals by radio and cable between a central control and recording system and data acquisition devices |
12/18/1990 | US4979151 Method and apparatus for investigating stand-off in a borehole |
12/18/1990 | US4979150 System for attenuation of water-column reverberations |
12/18/1990 | US4978948 Combined earthquake sensor and night light |
12/18/1990 | CA1278085C Method and device for locating submerged objects in relationship to a towing ship |
12/18/1990 | CA1278084C Method of seismic exploration including processing and displaying shear wave seismic data |
12/18/1990 | CA1278083C Device for generating simultaneously, in the ground, longitudinal and transversal acoustic waves |
12/18/1990 | CA1278082C Pressure wave sensing device of the continuous structure piezoelectric type and method for fabricating said device |
12/18/1990 | CA1278081C Device for generating acoustic waves by means of percussion in a well |
12/11/1990 | US4976333 Method for reshaping acoustical pressure pulses |
12/11/1990 | CA1277768C Log processing system |
12/11/1990 | CA1277760C Process for directly detecting the presence of hydrocarbons in a rock formation |
12/11/1990 | CA1277759C Method and apparatus for the generation and transmission of signals for echo location and other signaling purposes, particularly in geophysical exploration |
12/05/1990 | EP0400776A2 Marine seismic surveying utilizing dual streamers |
12/05/1990 | EP0400775A2 Marine seismic surveying |
12/05/1990 | EP0400769A2 Real-time simulation of the far-field signature of a seismic sound source array |
12/04/1990 | USRE33472 Rod-type multipole source(for) and receiver for acoustic well logging |
12/04/1990 | US4975891 Vehicle sensing device and method |
12/04/1990 | US4974671 Down-hole seismic source with containment |
12/04/1990 | CA1277412C Seismic and logging tool and method |
12/04/1990 | CA1277411C Ultrasonic mine survey probe |
11/30/1990 | CA2004941A1 Time variant suppression of coherent noise signals in a seismic section |
11/28/1990 | EP0399122A1 Anti-rebounce apparatus for avoiding multiple impacts of a mass after a first impact against another element |
11/27/1990 | US4974216 Acoustic energy source |
11/27/1990 | US4974212 Method for processing marine seismic data |
11/27/1990 | US4972578 Method of making a cable mounted magnetostrictive line hydrophone |
11/22/1990 | EP0398071A2 Method for reshaping acoustical pressure pulses |
11/20/1990 | US4972384 Method for identifying hydrocarbon-zones in subsurface formations |
11/20/1990 | US4972383 Method of obtaining a model representative of a heterogeneous medium, and particularly the sub-soil |
11/20/1990 | US4972382 Time variant suppression of coherent noise signals in a seismic section |
11/20/1990 | CA1276671C Electromagnetic vibrator for seismic and civil- engineering applications |
11/15/1990 | WO1990013831A1 Process for automatic plotting and assistance in interpretation of seismic cross-sections in particular using image analysis techniques |
11/15/1990 | WO1990013830A1 Seismic source |
11/14/1990 | EP0397318A2 Energy source for seismic surveying |
11/14/1990 | EP0397313A2 Comprehensive system for evaluation of velocities of acoustical energy of sedimentary rocks |
11/14/1990 | EP0252971B1 System for marine seismic exploration |
11/14/1990 | CN1046983A Oil deposit-described method by earthquake data |
11/13/1990 | US4970704 Acoustical generator |
11/13/1990 | US4970699 Method for color mapping geophysical data |
11/13/1990 | US4970697 Vertical marine seismic array |
11/13/1990 | US4970696 Method for conducting three-dimensional subsurface and marine seismic surveys |
11/13/1990 | US4970695 In situ calibration of a sensor |
11/13/1990 | US4970046 Marine seismic source frame |
11/13/1990 | CA1276280C Seismic source firing control system |
11/06/1990 | US4969130 System for monitoring the changes in fluid content of a petroleum reservoir |
11/06/1990 | US4969129 Coding seismic sources |
11/06/1990 | US4969128 Borehole acoustic logging system having synchronization |
11/06/1990 | US4967870 Alignment restoration means for use in seismic apparatus |
11/01/1990 | WO1990013051A1 Device for generating elastic waves in a body and for seismic prospecting |
10/31/1990 | EP0395500A2 Method of filtering sonic well logging data |
10/31/1990 | EP0395499A2 Method and apparatus for the acoustic investigation of a casing cemented in a borehole |
10/31/1990 | CN1046609A Device for generating elastic waves in body and for seismic prospecting |
10/30/1990 | US4967401 Method of acquiring and interpreting seismic data to obtain lithological parameters |
10/30/1990 | US4967400 Digital marine seismic system |
10/30/1990 | CA1275724C Method and device for measuring vibrational stresses and velocities of waves propagated within formations surrounding a wellbore |
10/24/1990 | EP0393988A2 Borehole acoustic transmitter |
10/24/1990 | EP0393881A2 Seismic pulse generation |
10/24/1990 | EP0393880A2 Seismic pulse generation |
10/24/1990 | EP0393261A1 Method and apparatus for the suppression of bubble oscillations in underwater seismic exploration |
10/24/1990 | EP0393070A1 Bandwidth enhancing seismic acquisition system and method. |
10/23/1990 | US4965778 Helical magnetostrictive core line hydrophone |
10/23/1990 | US4965774 Method and system for vertical seismic profiling by measuring drilling vibrations |
10/23/1990 | US4965773 Method for recording seismic data |
10/23/1990 | CA1275489C External bubble suppression |
10/20/1990 | CA2015054A1 Antibounce device for a solid hitting a target element |
10/18/1990 | WO1990012333A1 Acoustic sub-surface interrogator |
10/18/1990 | WO1990012332A1 Improved method and apparatus for detonation of distributed charges |
10/17/1990 | EP0392106A1 Method for the suppression of bubble oscillations in underwater seismic exploration utilising an internal gas injection |
10/16/1990 | US4964103 Three dimensional before stack depth migration of two dimensional or three dimensional seismic data |
10/16/1990 | US4964102 Method for enhancing and evaluating seismic data |
10/16/1990 | US4964101 Method for determining fluid mobility characteristics of earth formations |
10/16/1990 | US4964099 Method of establishing a stratigraphic model of the subsurface from an acoustic impedance profile and a seismic section |
10/16/1990 | US4964098 Method for seismic trace interpolation |
10/16/1990 | US4964097 Three dimensional image construction using a grid of two dimensional depth sections |
10/16/1990 | US4964096 Method for inversion of seismic data to yield estimates of formation lithology |
10/16/1990 | US4964089 Method for derivation of internal velocities from post-migration parts |
10/16/1990 | US4964088 Method for tomographically laterally varying seismic data velocity estimation |
10/16/1990 | US4964087 Seismic processing and imaging with a drill-bit source |
10/16/1990 | US4964086 Method for characterizing velocity estimates |
10/16/1990 | CA1275320C Vent means for closed air system impact-type seismic source |
10/11/1990 | DE3910906A1 Method for direction forming in the case of a towed acoustic underwater antenna |
10/10/1990 | EP0391809A1 Method and apparatus for seismic prospecting in wells, especially in deviated wells |
10/10/1990 | EP0390987A1 Latching mechanism |
10/10/1990 | CN1009968B Process for detection of heterogeneities and/or for determination of petrophisical charaeteristics |
10/10/1990 | CN1009967B Borehole seismic receiver |