Patents
Patents for G01V 1 - Seismology; Seismic or acoustic prospecting or detecting (27,288)
04/1979
04/24/1979US4150576 Mine roof and wall inspection apparatus and method
04/17/1979CA1052902A1 Pressurized gas discharging apparatus for use as a down-bore seismic impulse source
04/17/1979CA1052900A1 Multichannel seismic telemeter system and array former
04/10/1979US4148375 Seismic vibration source
04/10/1979CA1052473A2 Methods and apparatus for recording well logging measurements
04/10/1979CA1052465A2 Method and system for sonic well logging
04/03/1979US4148006 Seismic cable for use with array terminal type acquisition systems
04/03/1979US4147228 Methods and apparatus for the generation and transmission of seismic signals
03/1979
03/27/1979US4146872 Combination flyer-jumper associated with a geophysical data acquisition system and method of manufacture
03/27/1979US4146871 Determination of reflectivity and water depth for firing marine sources as an inverse distortion operator
03/27/1979US4146870 Seismic exploration for dipping formations
03/20/1979US4144949 Bit positioning while drilling system
03/20/1979CA1051099A1 Method and apparatus for the determination of start time difference and overall phase shift between two signals
03/13/1979US4144520 Geophone having electromagnetic damping means
03/13/1979US4144518 Stabilized-transducer driving device for underwater ultrasonic detection system
03/13/1979US4143737 Rotating eccentric weight seismic sources and a seismic exploration method
03/13/1979US4143736 Seismic transducer construction
03/13/1979US4143585 Impact tool
03/13/1979CA1050651A1 Apparatus for measuring the velocity of mechanical low frequency vibrations
03/06/1979US4143350 Signal enhancement system
03/06/1979CA1050150A1 Self propelled array system
03/06/1979CA1050148A1 Seismic group recorder control system
02/1979
02/27/1979US4142188 Method and apparatus for monitoring sound-conducting media
02/27/1979US4142171 Efficient apparatus for projecting acoustic waves
02/27/1979US4142148 Remote transducer monitoring system
02/27/1979US4141431 Determination of firing times of acoustic pulses
02/20/1979US4140994 Method and apparatus for acoustic well logging of earth boreholes
02/20/1979US4140993 Method of providing a series of flyer groups connected to a remote digital acquisition and telemetering circuit unit (RDATC) of a field seismic data acquisition system
02/13/1979US4139835 Device for transmitting acoustic waves through a liquid medium
02/13/1979US4139074 Seismic exploration system for ice covered areas
02/06/1979US4138658 Recording ocean bottom device, such as a seismograph
01/1979
01/30/1979US4136754 Process for seismic exploration by means of a directive source
01/30/1979CA1047651A2 Methods and apparatus for recording well logging measurements
01/30/1979CA1047596A1 Methods and apparatus for recording well logging measurements
01/23/1979US4136326 Apparatus for obtaining seismic data
01/23/1979US4135599 Base plate and earth coupling assembly for shear-wave transducers
01/23/1979US4135598 Lift and isolation system for seismic vibrator
01/23/1979CA1046897A1 Impact tools
01/16/1979US4135141 Marine seismic streamer with depth sensor calibrating means
01/16/1979CA1046624A1 Method and system for achieving vibrator phase lock
01/09/1979US4134099 System for land seismic cable fault location
01/09/1979US4134098 Multiple reflection suppression in marine seismic exploration with long source and detector arrays
01/09/1979US4134097 Combination geophone-hydrophone
01/09/1979US4133409 Vibrator hold-down plate
01/02/1979US4132974 Method for seismic marine survey
01/02/1979CA1045719A1 System for audibly recognizing an aurally unclassifiable signal
12/1978
12/26/1978US4131875 Method and apparatus for acoustic logging of a borehole
12/26/1978US4131178 Seismic source for use under water
12/19/1978US4130816 Circumferential acoustical detector
12/19/1978US4130078 Floating device connected to a ship, for towing a submerged member with a lateral shift thereof with respect to the ship route
12/19/1978CA1044796A2 Transportable seismic transducer and method of operating same
12/05/1978US4128011 Investigation of the soundness of structures
11/1978
11/28/1978US4127788 Piezoelectric stress indicator for mine roofs
11/28/1978CA1043456A1 Seismic source with no reaction mass
11/28/1978CA1043455A1 Automatic data acquisition method and system
11/21/1978US4126203 Air-coupled seismic detector
11/07/1978US4124841 Motion detection device
11/07/1978US4124090 Bounceless seismic wave generator
10/1978
10/31/1978US4123744 Method and apparatus for dynamically investigating a borehole
10/31/1978CA1041654A1 Multiplexer commutated high pass filter
10/31/1978CA1041653A1 Multiplexed digital transmission with seismic signal shitf
10/31/1978CA1041651A1 Method and system for sonic well logging
10/24/1978US4122433 Fluid tight geophone case
10/24/1978US4122431 Method of seismic survey
10/24/1978CA1041208A1 Seismic data telemetering system
10/17/1978US4121297 Apparatus for correlating two time series
10/17/1978US4121191 Seismic data tape recording system
10/17/1978US4120389 Proximity sensor
10/10/1978US4119173 Optical seismograph
10/10/1978US4118994 Movable device for generating acoustic shear waves in the earth
10/03/1978US4117780 Linear ejection underwater charge launcher
09/1978
09/26/1978US4117496 Earthquake recording device
09/26/1978US4117449 Fluid resistant geophone and cable enclosure
09/26/1978US4117448 Seismic telemetric system for land operations
09/26/1978US4116301 Rotary air modulator
09/26/1978US4116300 Vibrator tilt control system for vehicle mounted seismic vibrators
09/26/1978US4116299 T-bar base plate for a seismic signal transducer
09/26/1978CA1039397A1 Heave compensation system
09/19/1978US4115753 Fiber optic acoustic array
09/19/1978US4114723 Pneumatic seismic signal generator with independent firing control pressure
09/19/1978US4114722 Broadband seismic energy source
09/19/1978US4114721 Method and system for acoustic noise logging
09/19/1978CA1038956A1 Distributed data acquisition system
09/05/1978US4112412 Digital seismic telemetry system
09/05/1978CA1037763A1 Color display of geophysical and other data
08/1978
08/29/1978US4110731 Vibration transducer with improved viscous damping
08/29/1978US4110730 Rate sensitive system for a seismic sensing range containment apparatus
08/29/1978US4110729 Reflection seismic exploration: determining interval velocity in a subsurface layer
08/29/1978US4110728 Seismic data processing apparatus for obtaining alpha values from seismic data
08/29/1978US4109757 Self-erecting geophone unit and method and system for using same
08/22/1978US4109233 Proximity sensor
08/22/1978US4108272 Rapid fire air gun
08/22/1978US4108271 Seismic land source
08/22/1978US4108270 Hydraulic stabilization system to position and isolate a seismic vibrator
08/15/1978US4107660 Intrusion detection system
08/15/1978US4107643 Unidirectional horizontal seismometer
08/15/1978US4106586 Hydraulic vibrator
08/15/1978US4106585 Air gun firing control
08/08/1978US4105993 Method for determining elastic constants of geological formations
08/01/1978US4104611 Suppressing constant frequency noise in seismic records