| Patents for G01V 1 - Seismology; Seismic or acoustic prospecting or detecting (27,288) | 
|---|
| 06/16/1999 | EP0922237A1 Method for producing a composite block from seismic recording blocks | 
| 06/16/1999 | EP0775323B1 Tactile-acoustic information detecting and measuring apparatus and method | 
| 06/15/1999 | CA2144546C Method and apparatus for passively detecting the depth and location of a spatial or temporal anomaly | 
| 06/10/1999 | WO1999028713A1 Interferometric sensing apparatus | 
| 06/10/1999 | WO1999028594A1 Measurement-while-drilling assembly using gyroscopic devices and methods of bias removal | 
| 06/10/1999 | DE19748580C1 Combination geotechnical depth probe with detachable probe head | 
| 06/09/1999 | EP0921416A1 Method for improved identification of seismic events in a subsurface area under oilfield production conditions | 
| 06/03/1999 | WO1999027388A1 Gas, smoke and earthquake detector | 
| 06/02/1999 | EP0670049B1 Multi-dimensional signal processing and display | 
| 06/02/1999 | DE19750835A1 Verfahren und Einrichtung zur Laufzeitdifferenzenbestimmung von akustischen Signalen Method and apparatus for determining time differences of acoustic signals | 
| 06/01/1999 | US5909655 Method for processing reflection seismic traces recorded for variable offsets | 
| 06/01/1999 | US5909188 Process control transmitter with adaptive analog-to-digital converter | 
| 06/01/1999 | CA2209947C A measurement-while-drilling acoustic system employing multiple, segmented transmitters and receivers | 
| 06/01/1999 | CA2175610C Method for predictive signal processing for wireline acoustic array logging tools | 
| 05/27/1999 | WO1999026179A1 Seismic data acquisition and processing using non-linear distortion in a groundforce signal | 
| 05/27/1999 | WO1999026167A2 Method and device for detecting and making signal shapes coincidental, said shapes being convertible into monotone and constant trajectories in a section by section manner | 
| 05/27/1999 | WO1999026085A1 Method of creating common-offset/common-azimuth gathers in 3-d seismic surveys and method of conducting reflection attribute variation analysis | 
| 05/27/1999 | CA2304242A1 Method of creating common-offset/common-azimuth gathers in 3-d seismic surveys and method of conducting reflection attribute variation analysis | 
| 05/26/1999 | EP0863833B1 Device for handling an assembly towed by a naval vessel | 
| 05/25/1999 | US5907132 To image the subterranean below the surface near a shot point | 
| 05/25/1999 | CA2114821C Improved arrangement of source and receiver lines for three dimensional seismic data acquisition | 
| 05/19/1999 | EP0916970A2 Method of borehole compensation of earth formation characteristic measurements using depth measurements | 
| 05/19/1999 | EP0916102A1 Method for producing images of reservoir boundaries | 
| 05/19/1999 | EP0916100A1 Acoustic isolator for acoustic well logging tool | 
| 05/19/1999 | EP0741873B1 A passive sensor system using ultrasonic energy | 
| 05/19/1999 | CN2319821Y Steel pipe sounding counter-type earth sound detecting instrument | 
| 05/18/1999 | US5905657 Performing geoscience interpretation with simulated data | 
| 05/18/1999 | US5904210 Apparatus and method for detecting a location and an orientation of an underground boring tool | 
| 05/14/1999 | WO1999023768A1 Radio repeater | 
| 05/14/1999 | WO1999023759A1 Apparatus for and method of synchronising oscillators within a data communication system | 
| 05/14/1999 | WO1999023512A1 Remote seismic data acquisition unit with common radio and gps antenna | 
| 05/14/1999 | WO1999023511A1 Apparatus and method for correcting for capacitance variations in hydrophones | 
| 05/14/1999 | WO1999023510A1 Acoustic positioning of seismic ocean bottom cable | 
| 05/14/1999 | WO1999023509A1 Simultaneous triggering of remote units | 
| 05/14/1999 | WO1999023465A2 Power switching for marine seismic systems | 
| 05/14/1999 | WO1999023355A1 Coiled tubing sensor system for delivery of distributed multiplexed sensors | 
| 05/12/1999 | EP0765485B1 Semi-dry marine seismic streamer cable section | 
| 05/12/1999 | EP0731927B1 Method for inputting and load balancing seismic data for seismic processing on a multiprocessor computer | 
| 05/12/1999 | EP0680616B1 Method for deriving water bottom reflectivity in dual sensor seismic surveys | 
| 05/11/1999 | US5903518 Multiple plasma channel high output variable electro-acoustic pulse source | 
| 05/11/1999 | US5903515 Spatial de-aliasing of the 3-D Kirchhoff DMO operator | 
| 05/11/1999 | US5903153 Apparatus and method for detecting underground liquids | 
| 05/11/1999 | US5902430 Process for manufacturing an acoustic linear antenna | 
| 05/11/1999 | CA2215341C Method and apparatus for automatically identifying fault cuts in seismic data using a horizon time structure | 
| 05/06/1999 | WO1999010755A3 Optical pulse induced acoustic mine detection | 
| 05/05/1999 | CN2317485Y Magnetic ring type geophone | 
| 05/04/1999 | US5901113 For obtaining information regarding a formation traversed by a borehole | 
| 05/04/1999 | US5901112 Signal energy enhancement for seismic exploration | 
| 05/04/1999 | US5899958 Logging while drilling borehole imaging and dipmeter device | 
| 04/29/1999 | WO1999021399A1 Combination seal and wear ring for an air gun | 
| 04/29/1999 | WO1999021398A1 Dual-port air gun having a single shuttle | 
| 04/29/1999 | WO1999021030A1 Acoustic landmine prodding instrument with force feedback | 
| 04/29/1999 | WO1999008131A3 Method for determining the presence of fluids in a subterranean formation | 
| 04/29/1999 | CA2272303A1 Combination seal and wear ring for an air gun | 
| 04/29/1999 | CA2271869A1 Dual-port air gun having a single shuttle | 
| 04/28/1999 | EP0911649A1 Underground acoustic wave transmitter, receiver, transmitting/receiving method, and underground exploration using this | 
| 04/28/1999 | EP0911648A2 Processing seismic exploration data | 
| 04/28/1999 | EP0910725A1 Wellbores utilizing fiber optic-based sensors and operating devices | 
| 04/22/1999 | WO1999019750A1 Method for seismic processing and in particular for three-dimensional seismic exploration using seismic data migration | 
| 04/22/1999 | WO1999019749A1 Seismic imaging using omni-azimuth seismic energy sources and directional sensing | 
| 04/22/1999 | WO1999019748A1 Prodder with force feedback | 
| 04/22/1999 | CA2251188A1 Horizontal and vertical receiver-consistent deconvolution for an ocean bottom cable | 
| 04/21/1999 | EP0909961A2 Wave separation procedure for borehole seismics with walk away acquisitions | 
| 04/21/1999 | EP0909701A2 Underwater device with a sacrificial latch mechanism | 
| 04/20/1999 | US5895437 Method for continuous updating in real time of bidimensional and tridimensional seismic images of a subsurface section using drilling well data | 
| 04/16/1999 | CA2218461A1 Acoustic landmine prodding instrument with force feedback | 
| 04/14/1999 | EP0907898A2 Method of locating hydrophones | 
| 04/14/1999 | CN2314388Y Straddle packer | 
| 04/14/1999 | CN2314387Y Seismic hammer for directional blasting for geological exploration | 
| 04/14/1999 | CN2314386Y Directional blasting delay superposition seismic sources for geological exploration | 
| 04/14/1999 | CA2218198A1 Prodder with force feedback | 
| 04/13/1999 | US5894451 Impulsive snap-through acoustic pulse generator | 
| 04/13/1999 | US5894450 Mobile underwater arrays | 
| 04/13/1999 | US5894417 Method and system for horizon interpretation of seismic surveys using surface draping | 
| 04/13/1999 | CA2128895C Removable piston bore liner for hydraulically actuated seismic vibrator | 
| 04/08/1999 | WO1999017473A1 Marine seismic source | 
| 04/08/1999 | CA2272706A1 Marine seismic source | 
| 04/07/1999 | EP0907087A2 Underwater cable arrangement | 
| 04/07/1999 | CN2313232Y Noval seismic detector | 
| 04/06/1999 | US5893100 System and method for tree ordered coding of sparse data sets | 
| 04/06/1999 | US5892733 Method and apparatus for installing electronic equipment below soft earth surface layer | 
| 04/06/1999 | US5892732 Method and apparatus for seismic signal processing and exploration | 
| 04/01/1999 | WO1999015913A1 Towing seismic streamer used in marine seismic surveying | 
| 04/01/1999 | WO1999015858A1 Fiber optic sensing system | 
| 04/01/1999 | WO1999004287B1 Method and apparatus for acoustic detection of mines and other buried man-made objects | 
| 04/01/1999 | CA2302593A1 Towing seismic streamer used in marine seismic surveying | 
| 03/31/1999 | EP0905676A2 Transmitting antenna for sonar apparatus | 
| 03/31/1999 | CN1212376A Monitor for measuring the globe corpuscular radiation | 
| 03/30/1999 | US5890094 Earthquake monitoring | 
| 03/30/1999 | US5889731 Vibration detector | 
| 03/30/1999 | US5889729 Well logging data interpretation systems and methods | 
| 03/25/1999 | WO1998052072A9 Seismic data acquisition system | 
| 03/23/1999 | US5886303 Method and apparatus for cancellation of unwanted signals in MWD acoustic tools | 
| 03/23/1999 | US5886255 Method and apparatus for monitoring mineral production | 
| 03/23/1999 | CA2011192C Acoustic borehole logging | 
| 03/18/1999 | WO1999013357A1 Method of determining the response caused by model alterations in seismic simulations | 
| 03/16/1999 | US5884229 Method for measuring lateral continuity at a specified subsurface location from seismic data | 
| 03/16/1999 | US5883857 Non-liquid filled streamer cable with a novel hydrophone | 
| 03/16/1999 | US5883856 Power switching method for marine seismic acquisition systems | 
| 03/16/1999 | CA2137846C System for collecting oceanographic data from a moving vessel |