Patents
Patents for G01V 1 - Seismology; Seismic or acoustic prospecting or detecting (27,288)
12/1998
12/16/1998CN1041239C Drive assembly for acoustic sources
12/15/1998US5850622 Computer based method of filtering geophysical time series
12/09/1998EP0882245A2 Spectral decomposition for seismic interpretation
12/09/1998EP0671017B1 Method for analising seismic traces using a statistical calibration technique for deduction of geological characteristics
12/09/1998CN1201530A Plural vibrator single step invertion separation method
12/09/1998CN1201529A High fidelity vibratory source seismc test method gathering vertical seismic profile data
12/09/1998CN1041075C Zebra mussel control
12/09/1998CA2239851A1 Method for deriving surface consistent reflectivity map from dual sensor seismic data
12/08/1998US5847975 Method of simulating a seismic survey
12/03/1998WO1998054600A1 Detecting concealed pipes and cables
12/01/1998US5844860 Continuous strength member
12/01/1998US5844799 Method for simulating the filling of a sedimentary basin
12/01/1998CA2036848C Programmable gain control for rotating transducer ultrasonic tools
12/01/1998CA2012307C Method for identifying formation fractures surrounding a well casing
11/1998
11/26/1998WO1998053345A1 Seismic probe comprising a seismic sensor and earth magnetic field sensor
11/26/1998WO1998053344A1 Geophysical exploration system using seismic vibrator source which provides a composite sweep
11/26/1998CA2288959A1 Seismic probe comprising a seismic sensor and earth magnetic field sensor
11/25/1998EP0880034A2 Seismic surveying
11/25/1998EP0880033A2 Towed device for sonar system
11/25/1998EP0879428A1 Improved method for migration before summation
11/25/1998CN2298527Y Improved vertical seismic profile logging instrument
11/25/1998CN1199862A Method and device for processing signals representative of waves reflected, transmitted or refracted by volume structure with view to exploring and analyzing this structure
11/24/1998US5842158 Method for adaptive filtering of well logging data
11/24/1998US5841737 For use with a liquid medium
11/24/1998US5841734 Rotating acoustic transducer head for cement bond evaluation tool
11/24/1998US5841733 Acoustic source array system for underwater operation
11/24/1998US5839508 Downhole apparatus for generating electrical power in a well
11/19/1998WO1998052072A1 Seismic data acquisition system
11/19/1998WO1998052033A1 Apparatus, system and method for processing acoustic signals to image behind reflective layers
11/19/1998DE19747251C1 Measuring device support for use on ocean bed
11/19/1998CA2288683A1 Apparatus, system and method for processing acoustic signals to image behind reflective layers
11/18/1998EP0877961A1 Borehole logging system
11/18/1998EP0877960A1 Sonic data logging system
11/18/1998EP0877959A2 Coil support device for an underwater cable
11/17/1998US5838634 Method of generating 3-D geologic models incorporating geologic and geophysical constraints
11/17/1998US5838633 Method for estimating formation in-situ stress magnitudes using a sonic borehole tool
11/17/1998US5838564 Apparatus for seismic signal processing and exploration
11/17/1998US5838157 Device for measuring electrical field gradient componets of the soil
11/15/1998CA2561328A1 Seismic data acquisition system
11/12/1998WO1998050681A1 Wellbores utilizing fiber optic-based sensors and operating devices
11/12/1998WO1998050680A2 Monitoring of downhole parameters and tools utilizing fiber optics
11/11/1998EP0877262A2 Towed device for sonar system
11/11/1998EP0856179A4 Method of dip moveout analysis on a massively parallel computer
11/11/1998EP0716752B1 Evaluation method and apparatus in seismics
11/11/1998EP0621958B1 Seismic source system utilizing a small diameter hose bundle
11/11/1998CN1198535A Method for transmission of compressed seismic detecting data
11/10/1998US5835883 Method for determining distribution of reservoir permeability, porosity and pseudo relative permeability
11/10/1998US5835882 Method for determining barriers to reservoir flow
11/10/1998US5835452 Reflected shear wave seismic processes
11/10/1998US5835451 Offshore seismic prospecting method using a hydrophone-geophone sensor pair
11/10/1998US5835450 Lead-in configuration for multiple streamers and telemetry method
11/10/1998US5834710 Acoustic pulse gun assembly
11/10/1998US5834646 Force sensor device
11/10/1998US5834552 Rubber composition and process for producing thereof
11/04/1998EP0875125A1 Flexible interlink for hydrophone array
11/04/1998EP0875004A1 Method and apparatus for reducing the effect of rough sea surface conditions on marine seismic sources
11/04/1998CN1198216A Physical attribute migration method for medium
11/04/1998CN1198215A Seismic reflection data acquisition and processing method and device for prospecting in tectonically complex environments
11/03/1998US5831935 Method for geophysical processing and interpretation using seismic trace difference for analysis and display
11/03/1998US5831934 Signal processing method for improved acoustic formation logging system
11/03/1998US5829242 Process for manufacturing a rope
10/1998
10/29/1998WO1998048301A1 A new efficient method of operating air-gun arrays
10/29/1998DE19818533A1 System positioning and anchoring explosive charge downhole for seismic exploration in the borehole
10/28/1998EP0873528A1 Noise filtering method for seismic data
10/28/1998EP0873527A1 Time-frequency processing and analysis of seismic data using very short-time fourier transforms
10/28/1998EP0873526A1 Compression method and apparatus for seismic data
10/28/1998EP0873525A1 Methods and devices for repairing marine seismic cables
10/28/1998EP0873465A1 Trenchless underground boring system with boring tool location
10/28/1998CN2296016Y Multi-component Rayleigh wave exploring instrument
10/27/1998US5828997 Method for converting a source signal to a symbolic signal
10/27/1998US5828570 Unconstrained 2-D transformation filter
10/27/1998US5828331 Vibration detection
10/22/1998WO1998038532A3 Method of earthquake prediction
10/22/1998WO1998036292A3 Method for determining barriers to reservoir flow
10/21/1998EP0872743A2 Seismic sensors
10/21/1998EP0872742A1 Method and system for processing signals representing reflected waves, transmitted or diffracted by a volumetric structure, for the purpose of effecting an investigation and an analysis of this structure
10/21/1998EP0871904A1 Method of monitoring quality of seismic data processing and method of processing vertical seismic profile data
10/21/1998EP0871903A1 Determination of formation properties from seismic attributes
10/21/1998CN1196488A Elastic wave exploration tool for wells
10/21/1998CN1040364C Method for analising seismic traces using statistical calibration technique for deduction of geological characteristics
10/20/1998US5825720 Combination seal and wear for an air gun
10/20/1998US5825719 Dual-port air gun having a single shuttle
10/20/1998US5825716 Method of reverberation removal from seismic data and removal of dual sensor coupling errors
10/20/1998CA2144347C Bayesian sequential indicator simulation of lithology from seismic data
10/14/1998EP0871021A2 Acoustic sensor
10/14/1998EP0870176A1 A system and a method for measuring a continuous signal
10/14/1998CN1196116A Method and device for controlling movable object
10/13/1998US5822273 Seismic acquisition and transmission system with functions decentralization
10/13/1998US5822269 Method for separation of a plurality of vibratory seismic energy source signals
10/13/1998US5819859 Apparatus and method for detecting an underground structure
10/07/1998EP0869375A2 Spatial de-aliasing of the 3-D Kirchhoff DMO operator
10/07/1998EP0868670A1 Signatures of marine seismic sources
10/07/1998EP0842482A4 Method for determining seismic data traveltime fields on a massively parallel computer
10/07/1998EP0799455B1 Data compression for seismic signal data
10/07/1998EP0786098A4 Method for deriving reservoir lithology and fluid content from pre-stack inversion of seismic data
10/07/1998EP0764304A4 Method for seismic data processing using depth slice decomposition
10/06/1998US5818795 Method of reduction of noise from seismic data traces
10/06/1998US5818341 Ultrasonic device in particular for detecting the presence of foreign bodies on the surface of a window
10/01/1998WO1998043189A1 Method of analyzing capabilities of migration and dmo computer seismic data processing
10/01/1998WO1998043117A1 Seismic surveying