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