Patents
Patents for G01V 1 - Seismology; Seismic or acoustic prospecting or detecting (27,288)
12/1986
12/09/1986US4628492 Method of avoiding aliasing in slant stacking of seismic data
12/09/1986US4628491 Time variant filter for range dependent tuning
12/09/1986CA1215161A1 Marine seismic system
12/03/1986EP0203227A1 Method and apparatus for analysing geophones
12/02/1986US4627036 Vertical seismic profiling
12/02/1986CA1214857A1 Device for determining the position of a long underwater towed element
11/1986
11/27/1986EP0110901A4 Data synchronization.
11/26/1986EP0202745A2 Method for moveout correction and stacking velocity estimation of offset vertical seismic profile data
11/26/1986EP0202246A1 Seismic generator
11/25/1986US4625302 Acoustic lens for marine seismic data multiple reflection noise reduction
11/25/1986CA1214541A1 Method and apparatus for the detection of fractures by means of ultrasonic echosounding
11/25/1986CA1214404A1 Mechanical spacer for towed acoustic array
11/20/1986EP0201643A1 Seismic noise suppression
11/20/1986EP0201576A1 Method for detecting the position of the band edge of a material sheet.
11/18/1986US4623991 Delta-shaped geophone spring
11/18/1986US4623033 Air release in seismic source air gun
11/12/1986EP0201297A2 Downhole memory gauge
11/12/1986CA1213969A Method and device for making geophysical measurements within a wellbore
11/11/1986US4622519 For consolidating information signals
11/05/1986EP0199877A1 Combination seismic cable
11/05/1986EP0199749A1 Device for producing shear waves in a solid medium.
11/05/1986CN85103582A Method and device for monitoring drilling
11/04/1986US4621347 Method of attenuating sea ice flexure noise during seismic surveys of permafrost regions involving a precursor aerial and/or satellite mapping step
11/04/1986US4621262 Method of and a system for remote control of electronic equipments
11/04/1986CA1213667A1 Method for determining and displaying the shear- velocity reflectivities of a geologic formation
10/1986
10/29/1986EP0198966A1 Distributed digital mux
10/22/1986CN85103629A Ground electric spark-shock origin
10/21/1986US4618949 Self-orienting directionally sensitive geophone
10/15/1986EP0197112A1 Seismic detector and method
10/15/1986CN86102257A Distributed marine seismic source control system and method
10/14/1986CA1212754A1 Marine seismic sensor
10/14/1986CA1212753A1 Air release in seismic source air gun
10/08/1986EP0196754A2 Internal secondary bubble pulse suppression
10/07/1986US4616352 Vibrator seismic source having distortion limiting control system
10/07/1986US4616348 Method of attenuating sea ice flexure noise during seismic surveys of permafrost regions
10/07/1986US4616320 Seismic strong-motion recorder
10/01/1986EP0195850A2 Active vibration isolation system
09/1986
09/30/1986US4615022 Symmetrically-suspended vertical-swing long-period pendulum means
09/30/1986US4614250 Logging method and apparatus using a sonde equipped with measuring pads
09/23/1986US4613980 System for high accuracy remote decoding
09/23/1986US4613960 Method for constructing and using an optimal pilot trace in surface consistent statics estimations
09/23/1986US4613752 Fiber optic force measuring device
09/23/1986CA1211830A1 High damping polymer compositions
09/16/1986US4612506 Method of forecasting seismic activity responsive to earth currents
09/16/1986US4611685 Acoustic logging in low velocity formations
09/16/1986CA1211553A1 Method and a system for signal improvement in marine seismic exploration
09/16/1986CA1211552A1 System and method of seismic exploration
09/16/1986CA1211551A1 Seismic pulse generator for a borehole
09/10/1986EP0194088A2 Vehicle for seismic surveying
09/09/1986US4611312 Method of seismic collection utilizing multicomponent receivers
09/09/1986US4611311 Method of seismic processing involving converted P- or S-wave data
09/09/1986US4611171 Location indicator for a marine seismic cable comprising operator controlled saturable core magnetometers
09/03/1986EP0193314A2 External secondary bubble pulse suppression
09/03/1986EP0193215A2 Streamer levelling device
09/02/1986US4610006 Automatic control system for acoustic logging
09/02/1986US4609066 Mixed device for generating longitudinal or shear waves
09/02/1986CA1210849A1 Shear wave logging using guided waves
09/02/1986CA1210848A1 Vertical seismic profiling
09/02/1986CA1210688A1 Bore hole plug
08/1986
08/27/1986CN85109033A Method and apparatus for detecting and evaluating borehole wall fractures
08/26/1986US4608675 Land seismic source method and apparatus
08/26/1986US4608673 Minimum phase bandpass filtering of seismic signals
08/26/1986US4608636 Slew rate filter for logging cable signal pick-off
08/26/1986CA1210494A1 Seismic method for identifying low velocity subsurface zones
08/26/1986CA1210492A1 Indirect shearwave determination
08/26/1986CA1210449A1 Downhole instrument and methods of manufacturing and using the same
08/20/1986EP0191510A1 Self-diagnostic ultrasonic intrusion detection system
08/19/1986US4607353 Seismic exploration using non-impulsive vibratory sources activated by stationary, Gaussian codes to simulate an impulsive, causal generating, recording and pre-processing system and processing the results into distortion-free final records
08/19/1986US4607352 Method and apparatus for obtaining a display of a characteristic of the periphery of a well
08/19/1986CA1210125A1 Down hole periodic seismic generator
08/19/1986CA1210062A1 Apparatus and method for logging wells while drilling
08/14/1986WO1986004672A1 Method and device for controlling in situ movement processes in solid media
08/13/1986EP0190861A2 Marine seismic vibrator
08/12/1986US4606014 Acoustic dipole shear wave logging device
08/12/1986US4605089 Method of and apparatus for generating shear seismic waves
08/12/1986CA1209683A1 Method and apparatus for indirect determination of shear velocity from guided modes
08/06/1986EP0189968A2 Method and apparatus for locating severed seismic streamers
08/05/1986US4604738 Method and apparatus for classification of a moving terrestrial vehicle as light or heavy
08/05/1986US4604734 Seismic exploration in areas where p waves are converted to s waves
08/05/1986US4604706 Apparatus for failure prediction of earth structures
08/05/1986US4604699 Computer system for monitoring analog signals
08/05/1986CA1209239A1 System for sorting seismic data in marine surveys
07/1986
07/30/1986EP0189333A2 Marine seismic transducer
07/30/1986EP0188936A2 Method and apparatus for acoustic dipole shear wave well logging
07/30/1986EP0188928A1 System using one or more remotely controlled boats for conducting operations at sea
07/30/1986CN85100288A Seismic survey method by broad band emitting-narrow band accepting
07/29/1986US4603409 Marine seismic acoustic source
07/29/1986US4603407 Rotational geophone
07/29/1986CA1208756A1 Seismic recording
07/29/1986CA1208755A1 Method of editing seismic traces, as say gathered by large multichannel collection systems
07/29/1986CA1208754A1 Method and system for well velocity shooting and vertical seismic profiling
07/29/1986CA1208535A1 Method for hydrocarbon reservoir identification
07/29/1986CA1208428A1 Method for determining the position of a marine seismic receiver cable
07/23/1986EP0188014A2 Geophone spring
07/23/1986EP0187782A1 Borehole plug and method
07/23/1986EP0159314A4 Noise subtraction filter.
07/22/1986CA1208349A1 Integrated acoustic network
07/16/1986EP0187599A1 Apparatus driven by hydraulic pressure for conducting logging and work-over operations in a deviated well during injection or production
07/16/1986CN85108418A Entropy guided deconvolution of seismic signals
07/15/1986US4601024 Borehole televiewer system using multiple transducer subsystems