Patents
Patents for G01V 1 - Seismology; Seismic or acoustic prospecting or detecting (27,288)
05/1998
05/05/1998US5747749 Acoustic logging to identify oil flow rate
05/01/1998CA2217427A1 Systems and methods for forward modeling of well logging tool responses
04/1998
04/30/1998WO1998018293A1 Three-axis seismic vibrator
04/30/1998WO1998018025A1 Earthquake forecast method and apparatus
04/30/1998WO1998018024A1 Device for measuring electrical parameters of soil
04/30/1998WO1998018022A1 Seismic acquisition system using wireless telemetry
04/30/1998CA2266099A1 Three-axis seismic vibrator
04/30/1998CA2219599A1 Auto-orienting motion sensing device
04/29/1998EP0748454B1 Method of determining the position of an object relative to the background using ultrasonics
04/29/1998EP0742923A4 Method and apparatus for identifying fault curves in seismic data
04/29/1998EP0686269B1 Method for carrying out marine seismic measurements and seismic cable
04/29/1998EP0666992A4 An improved method for reverberation suppression.
04/29/1998EP0666991A4 Method for seismic exploration in arctic regions.
04/29/1998CN1180471A Self-centering dual shuttle air gun
04/28/1998US5745436 Semi-dry marine seismic streamer cable section
04/28/1998US5745392 Method for reducing data storage and transmission requirements for seismic data
04/28/1998US5745384 System and method for detecting a signal in a noisy environment
04/28/1998US5744715 Tactile-acoustic information detecting and measuring apparatus and method
04/23/1998WO1998016854A1 Cancellation of tool mode signal from combined signal
04/22/1998EP0837217A2 Downhole tool
04/22/1998EP0836670A2 Method and system for logging mechanical parameters of formations crossed through by a borehole
04/22/1998CN1179831A Compact sleeve air gun
04/21/1998US5742740 Adaptive network for automated first break picking of seismic refraction events and method of operating the same
04/21/1998US5742562 Hydrophone array
04/21/1998US5742560 Seismic imaging using wave equation extrapolation
04/21/1998US5742559 Hydrophone and array thereof
04/21/1998US5742235 Vertical, unidirectional seismic switch
04/21/1998US5742166 Seismic activity predictor including a dielectric for receiving precursor seismic electromagnetic waveforms
04/21/1998US5741962 Apparatus and method for analyzing a retrieving formation fluid utilizing acoustic measurements
04/16/1998WO1998015930A2 Device for detecting the intrusion of a body in a predetermined space
04/16/1998WO1998015850A1 Method of obtaining improved geophysical information about earth formations
04/16/1998WO1998015849A1 Method of generating a fold distribution and of evaluating a seismic survey
04/16/1998WO1998007049A3 Reservoir acquisition system with concentrator
04/14/1998US5740125 Method of determining continuity of earth formations between wellbores
04/14/1998US5740124 Method for determining acoustic velocity of earth formations by simulating receiver waveforms for an acoustic array well logging instrument
04/14/1998US5739686 Electrically insulating cantilever magnetometer with mutually isolated and integrated thermometry, background elimination and null detection
04/11/1998CA2217596A1 Apparatus and method for borehole seismic exploration
04/09/1998WO1998014800A1 Land seismic data acquisition method and seismic cable and cable spool vehicle therefor
04/08/1998CN1178382A Acceleration responsive switch and method of making the same
04/07/1998US5737431 Methods and apparatus for source location estimation from microphone-array time-delay estimates
04/07/1998US5737277 Method for computing borehole geometry from ultrasonic pulse echo data
04/07/1998US5737220 Method of characterizing anisotropic properties of an earth medium
04/07/1998US5737219 Method of monitoring deformation of geological structures and predicting geodynamic events
04/02/1998WO1998014031A1 Flexible interlink for hydrophone array
04/02/1998WO1998013707A1 Method for generating seismic shearing waves in a subterranean formation
04/02/1998DE19640605A1 Sound detection device e.g. for medical application
04/02/1998CA2266451A1 Method for generating seismic shearing waves in a subterranean formation
04/01/1998EP0833171A1 Spatially distributed signal sampling method
04/01/1998EP0832442A1 Method and apparatus for seismic signal processing and exploration
04/01/1998CN2277525Y Electronic seismic warner
03/1998
03/31/1998US5734829 Method and program for processing a volume of data on a parallel computer system
03/30/1998CA2216738A1 Well logging data interpretation systems and method
03/26/1998WO1998012579A1 Waveguide disturbance detection method
03/26/1998WO1998012578A1 High fidelity vibratory source seismic method with source separation
03/26/1998WO1998012577A1 Seismic sensor units
03/25/1998CN1177411A 地震传感器 Seismic sensors
03/25/1998CA2186297A1 Spatially distributed signal sampling method
03/24/1998US5732045 Fluctuations based digital signal processor including phase variations
03/24/1998US5731550 Acoustic dipole well logging instrument
03/24/1998US5730219 Production wells having permanent downhole formation evaluation sensors
03/19/1998WO1998011455A1 Method for time lapse reservoir monitoring
03/19/1998WO1998011357A1 Compact actuator and controller and pumping apparatus for same
03/19/1998CA2269585A1 Compact actuator and controller and pumping apparatus for same
03/18/1998EP0636252B1 Hydraulic seismic actuator
03/17/1998US5729506 3-D multiple attenuation
03/17/1998US5728978 Acoustic isolator for acoustic well logging tool
03/12/1998WO1998010312A1 Method for reconstructing seismic wavefields
03/11/1998EP0827593A1 A method for producing seismic pulses
03/11/1998EP0827592A1 A method for the automatic calibration of an operational passive acoustic listening system
03/10/1998US5726951 Standoff compensation for acoustic logging while drilling systems
03/10/1998US5725301 Earthquake detection device
03/05/1998WO1998009182A1 System for locating seismic events during earth fracture propagation
03/04/1998EP0826157A1 Drive assembly for acoustic sources
03/04/1998EP0826156A1 Seismic pulse generator
03/03/1998US5724315 Omnidirectional ultrasonic microprobe hydrophone
03/03/1998US5724311 Method and device for the long-term seismic monitoring of an underground area containing fluids
03/03/1998US5724310 Traveltime generation in the presence of velocity discontinuities
03/03/1998US5724309 For processing data of seismic traces for geophysical interpretation of earth
03/03/1998US5724308 Programmable acoustic borehole logging
03/03/1998US5724307 Method for improving the coupling response of a water-bottom seismic sensor
03/03/1998US5724306 Method for correcting dual sensor data for imperfect geophone coupling using production seismic data
03/03/1998US5724241 Distributed seismic data-gathering system
03/01/1998CA2184337A1 Discriminating earthquake detector
02/1998
02/26/1998WO1998008113A1 Method and apparatus for monitoring ground vibration and air-blast
02/26/1998WO1998007610A1 Information generator using elastic wave
02/25/1998EP0824710A1 Method for determining validity of seismic reflections below lateral velocity variations
02/25/1998EP0824709A1 High fidelity vibratory source seismic method
02/25/1998EP0824708A1 Seismometers and the like
02/24/1998US5721710 High fidelity vibratory source seismic method with source separation
02/24/1998US5720354 Trenchless underground boring system with boring tool location
02/19/1998WO1998007125A1 Rescue support apparatus
02/19/1998WO1998007050A1 Single vessel dragged array system and method for operation
02/19/1998WO1998007049A2 Reservoir acquisition system with concentrator
02/19/1998DE19653297C1 Method of testing functional characteristics of geophysical motion detectors esp. geophones
02/18/1998CN2274779Y Miniature earthquake alarm
02/17/1998US5719823 Ground penetrating sonar
02/17/1998US5719822 Seismic data radon dip moveout method
02/17/1998US5719821 Method and apparatus for source separation of seismic vibratory signals
02/17/1998CA2130217C Underwater pulse tracking system
02/12/1998WO1998005982A1 Method for producing images of reservoir boundaries