Patents
Patents for G01V 1 - Seismology; Seismic or acoustic prospecting or detecting (27,288)
09/1999
09/07/1999US5947199 Method of monitoring a mineral reservoir
09/01/1999EP0939195A2 Apparatus and method for determining a drilling mode to optimize formation evaluation measurements
09/01/1999EP0938687A1 Method of reduction of noise from seismic data traces
09/01/1999EP0938686A1 Detection of ground roll cone
09/01/1999CN1227634A Sampling and reconstruction of propagating wavefields
08/1999
08/31/1999US5946271 For monitoring changes in characteristics of a subsurface geologic reservoir
08/31/1999US5945602 Apparatus for monitoring a self-service transaction terminal
08/31/1999US5944124 Fiber impregnated with polymer
08/31/1999CA2187843C Swinging-weight vibrator for seismic exploration
08/31/1999CA2021661C Method and system for vertical seismic profiling by measuring drilling vibrations
08/26/1999WO1999042857A1 Single well system for mapping sources of acoustic energy
08/26/1999DE19807665A1 Measuring system for recording hydrological parameters
08/25/1999EP0937997A1 Method and device for permanent seismic surveillance of a subsurface environment
08/25/1999EP0937267A1 Method for time lapse reservoir monitoring
08/25/1999EP0875125A4 Flexible interlink for hydrophone array
08/25/1999EP0666992B1 An improved method for reverberation suppression
08/25/1999CN2335154Y Universal direction device for geophone
08/24/1999US5943641 Method and device for recovering a wanted acoustic signal from a composite acoustic signal including interference components
08/24/1999US5943428 Accident sound detector
08/24/1999US5943293 Hydrophone; housed in elongated flexible tube
08/19/1999WO1999041623A1 Method for enhancing seismic data
08/19/1999CA2325874A1 Method for enhancing seismic data
08/18/1999EP0936764A2 Method and apparatus for calibration of digital down converters in a signal processing system
08/18/1999EP0936477A2 Evaluating stoneley waves and formation parameters
08/18/1999EP0935766A1 Method and system for increasing fold to streamer length ratio
08/18/1999CN1226318A Method of locating hydrophones
08/17/1999US5940825 Adaptive similarity searching in sequence databases
08/17/1999US5940778 Method of seismic attribute generation and seismic exploration
08/17/1999US5940777 Automatic seismic pattern recognition method
08/17/1999US5937782 Underwater device with a sacrificial latch mechanism
08/17/1999CA2182973C Method of filter generation for seismic migration using remez algorithm
08/12/1999WO1999040455A1 Seismic signal processing method and apparatus
08/11/1999EP0934538A1 Seismic acquisition system using wireless telemetry
08/11/1999CN2333044Y Earthquake magnetic alarm
08/10/1999US5936913 Acoustic formation logging system with improved acoustic receiver
08/10/1999US5934373 Apparatus and method for monitoring underground fracturing
08/10/1999CA2259671A1 Method and apparatus for calibration of digital down converters in a signal processing system
08/04/1999EP0932843A1 Seismic sensor units
08/04/1999EP0758456A4 Sediment classification system
08/04/1999EP0658252B1 Quality assurance of spatial sampling for dmo
08/04/1999EP0624256B1 Borehole logging tool
08/03/1999US5933790 Data compression for seismic signal data
08/03/1999CA2206773C Method of and apparatus for marine seismic surveying
08/03/1999CA2009175C Method for determining induced fracture azimuth in formations surrounding a cased well
07/1999
07/30/1999CA2260480A1 Seismic synchronization system
07/29/1999WO1999038032A1 Multiple transducer mwd surface signal processing
07/28/1999EP0932054A2 Downhole telemetry system and method for remote communication
07/28/1999CN2331001Y Seismic exploration seismic source well explosive protective cap
07/27/1999US5930731 Method and system for acquisition and processing of marine seismic data
07/27/1999US5930730 Method for the exploration of hydrocarbons
07/27/1999US5930199 Imaging system and associated method for surveying underwater objects
07/27/1999US5929767 Earthquake detector and alarm
07/22/1999WO1999036800A1 Method of prestack 3-d migration
07/22/1999WO1999036799A1 Geophone and method for the study of elastic wave phenomena
07/22/1999CA2318453A1 Method of prestack 3-d migration
07/21/1999EP0929882A2 Device for detecting the intrusion of a body in a predetermined space
07/21/1999EP0734536B1 Method for analyzing and processing reflection seismic data
07/21/1999CN2329979Y Emulsified seismic focus explosive column
07/20/1999US5926437 Method and apparatus for seismic exploration
07/20/1999US5925822 Microelectromechanical cantilever acoustic sensor
07/15/1999WO1999035513A2 Marine devices
07/15/1999WO1999035490A1 Method and apparatus for ultrasonic imaging of a cased well
07/15/1999WO1999023465A3 Power switching for marine seismic systems
07/15/1999WO1999010755A8 Optical pulse induced acoustic mine detection
07/14/1999EP0766836A4 Uniform subsurface coverage at steep dips
07/13/1999US5924049 Methods for acquiring and processing seismic data
07/13/1999US5923616 Communication coil housing for a solid marine seismic cable
07/13/1999US5923166 Electrically insulating cantilever magnetometer with mutually isolated and integrated thermometry, background elimination and null detection
07/08/1999WO1999034238A1 Marine seismic system
07/08/1999CA2315854A1 Marine seismic system
07/07/1999EP0927369A1 High fidelity vibratory source seismic method with source separation
07/07/1999EP0731928A4 Surface seismic profile system and method using vertical sensor arrays
07/07/1999CN2328022Y Earth sound detector with steel pipe acoustic counter
07/07/1999CN2328021Y Explosive pillars for earthquake source
07/07/1999CN1221884A Magnetic ring type earthquake demodulator
07/06/1999US5920828 For processing geophysical seismic data from a seismic acquisition system
07/06/1999US5920524 Hydrophone arrangement and bunker for housing same
07/06/1999US5920520 Characteristic discriminating landmine hand proder
07/06/1999CA2067931C Geophysical prospecting
07/01/1999WO1999032903A1 Method of stacking seismic traces
07/01/1999CA2309140A1 Method of stacking seismic traces
06/1999
06/30/1999EP0926657A1 Method and apparatus for acoustic detection of a signal with a low signal-to-noise ratio, in the presence of a noise source
06/30/1999EP0925457A1 Compact actuator and controller and pumping apparatus for same
06/30/1999CN2326966Y Detachable boosting type focus explosive column
06/29/1999US5917775 Apparatus for detecting the discharge of a firearm and transmitting an alerting signal to a predetermined location
06/29/1999US5917160 Single well system for mapping sources of acoustic energy
06/29/1999CA2088475C Zebra mussel (dreissena polymorpha) and other aquatic organism control
06/24/1999WO1999031760A1 Seismic data acquisition radio antenna
06/24/1999WO1999031615A1 A method and system of simulating and optimizing land seismic operations
06/24/1999WO1999031528A1 Seismic data acquisition method
06/24/1999WO1999031354A1 Method to determine self-calibrated circumferential cased bond impedance
06/24/1999CA2315171A1 Seismic data acquisition method
06/24/1999CA2312172A1 A method and system of simulating and optimizing land seismic operations
06/23/1999EP0923764A1 Method for detecting and/or determining characteristics related to remarkable points of an image
06/23/1999EP0923745A1 Method for reconstructing seismic wavefields
06/23/1999CN1220733A Method for charting drillable zones in oilfield avoiding anomaly zones
06/22/1999US5913280 Method and system for towing multiple streamers
06/22/1999CA2218772A1 Water hammer driven vibrator
06/17/1999WO1999030186A1 Method for detecting geological discontinuity in an environment using an optical flow
06/17/1999WO1999010755A9 Optical pulse induced acoustic mine detection