Patents
Sitemap › G01 - Measuring; Testing › G01V - Geophysics; Gravitational measurements; Detecting masses or objects; Tags › G01V 7 - Measuring gravitational fields or waves; Gravimetric prospecting or detecting
Patents for G01V 7 - Measuring gravitational fields or waves; Gravimetric prospecting or detecting (1,315)
09/1995
09/27/1995EP0673479A1 Mechanical linear guide.
09/21/1995WO1995025266A1 Optical fiber gravity meter
09/12/1995US5448912 Borehole gravity density measuring system
08/1995
08/16/1995EP0666990A1 Method of monitoring deformation of geological structures and predicting geodynamic events.
08/15/1995US5440928 Nulling and measuring system
03/1995
03/28/1995US5402340 Gradiometer based terrain estimation
02/1995
02/23/1995WO1995005615A1 Air-borne gravity and differential gravity surveying system
02/23/1995WO1995005614A1 Laplace gravity gradiometer
02/23/1995WO1995005576A1 Isolation of environmental accelerations and tilts on moving platform
02/19/1995CA2104354A1 Air-borne gravity and differential gravity surveying system
02/17/1995CA2104179A1 Isolation of environmental accelerations and tilts on moving platform
02/14/1995US5390114 Isostatically corrected gravity displays
10/1994
10/25/1994US5357802 Rotating accelerometer gradiometer
09/1994
09/27/1994US5351122 Absolute gravity inline measuring apparatus incorporating improved operating features
09/13/1994US5345685 For use with a borehole
08/1994
08/30/1994US5341681 Stepped gravity gradiometer
07/1994
07/21/1994WO1994016296A1 Very low amplitude microvibration sensing device
07/21/1994CA2152601A1 Very low amplitude microvibration sensing device
07/13/1994EP0372059B1 Apparatus and method for leveling a gravity measurement device
06/1994
06/23/1994WO1994013976A1 Mechanical linear guide
05/1994
05/18/1994EP0451171B1 Gravity gradiometer
04/1994
04/28/1994WO1994009384A1 Method of monitoring deformation of geological structures and predicting geodynamic events
01/1994
01/25/1994US5282132 Method of geophysical exploration using satellite and surface acquired gravity data
08/1993
08/24/1993CA1321482C Three-axis superconducting gravity gradiometer
07/1993
07/13/1993CA1320123C Analyzing a hydrocarbon reservoir by determining the response of that reservoir to tidal forces
06/1993
06/15/1993US5218864 Layer density determination using surface and deviated borehole gravity values
06/08/1993US5216920 Multifold shipboard gravity upgraded with still readings
04/1993
04/20/1993US5204568 Superconducting bearing for borehole and survey gravimeters
03/1993
03/24/1993EP0436017A4 Analyzing a hydrocarbon reservoir by determining the response of that reservoir to tidal forces
12/1992
12/09/1992EP0486624A4 Atomic interferometry gyroscopes, accelerometers, and gravity gradiometers
11/1992
11/03/1992US5159833 Determining connectivity between wells within a reservoir
08/1992
08/11/1992US5137830 Observing gravitional acceleration on earth surface, compensating for variation in acceleration, locating crustal tension; aid to oil/ gas and mineral exploration, evalution of polluted sources
05/1992
05/27/1992EP0486624A1 Atomic interferometry gyroscopes, accelerometers, and gravity gradiometers
05/06/1992EP0451171A4 Gravity gradiometer
12/1991
12/24/1991CA1293557C Gravimetry logging
10/1991
10/31/1991DE4013570A1 Ascertaining earth's gravitational field from on-board aircraft - continuously measuring acceleration and integrating resultant signal twice to derive signal resembling height
10/16/1991EP0451171A1 Gravity gradiometer.
08/1991
08/20/1991US5040414 Analyzing a hydrocarbon reservoir by determining the response of that reservoir to tidal forces
07/1991
07/10/1991EP0436017A1 Analyzing a hydrocarbon reservoir by determining the response of that reservoir to tidal forces
05/1991
05/29/1991CN2078007U Data acquisition micro-computer control device for gravimeter
05/08/1991DE4040869A1 Gravitation rotary balance - is for demonstrating mass attraction and measuring gravitation constant and has movable screens which can be introduced between fixed and su
03/1991
03/19/1991US5001634 Method for mapping of sea level undulations with applications to hydrocarbon prospecting
03/13/1991CN1049915A Analyzing hydrocarbon reservoir by determining response of that reservoir to tidal forces
02/1991
02/20/1991EP0294464B1 Prospecting method
02/12/1991US4992656 for measuring the spatial gradient
02/11/1991WO1991002444A1 Atomic interferometry gyroscopes, accelerometers, and gravity gradiometers
01/1991
01/10/1991WO1991000414A1 Analyzing a hydrocarbon reservoir by determining the response of that reservoir to tidal forces
01/09/1991EP0406677A2 Method and apparatus for the highly accurate determination of acceleration
09/1990
09/11/1990US4955232 Floated gravity gradiometer and method
06/1990
06/28/1990WO1990007131A1 Gravity gradiometer
06/19/1990US4935883 Apparatus and method for leveling a gravity measurement device
04/1990
04/24/1990US4920313 Gravitational mass detector
04/19/1990DE3834885A1 Method and device for generating gravitational waves
04/18/1990CN1007660B Instrument for calibrating gravimeter
01/1990
01/25/1990DE3824950A1 Measuring instrument for recording gravitational (gravity) fields
11/1989
11/30/1989WO1989011666A1 Apparatus and method for leveling a gravity measurement device
10/1989
10/17/1989US4874942 Rotation, acceleration, and gravity sensors using quantum-mechanical matter-wave interferometry with neutral atoms and molecules
06/1989
06/27/1989US4841772 Three-axis superconducting gravity gradiometer
06/27/1989CA1256537A1 Airborne gravity surveying method
06/15/1989WO1989005462A1 Improved three-axis superconducting gravity gradiometer
04/1989
04/11/1989US4819486 Optoelectronic accelerometer
03/1989
03/07/1989US4809545 Gravimetry logging
12/1988
12/14/1988EP0294464A1 Prospecting method.
11/1988
11/09/1988CN88212008U Measuring device for gravity accelerated velocity
07/1988
07/12/1988US4756191 Temperature compensated gravity measuring apparatus
06/1988
06/30/1988WO1988004784A1 Prospecting method
03/1988
03/08/1988CA1233661A1 Method and apparatus for gravity gradient logging
01/1988
01/12/1988US4718274 Gravity meter digitizer
12/1987
12/09/1987EP0248549A2 Gravimetry logging
02/1987
02/17/1987CA1218013A1 Method of and system for conducting a borehole gravimetry survey
12/1986
12/16/1986CA1215246A1 Borehole gradiometer
12/02/1986US4625547 Borehole gravimetry logging
07/1986
07/29/1986US4602508 Of an earth formation
06/1986
06/24/1986US4596139 Depth referencing system for a borehole gravimetry system
06/10/1986CN85101893A Instrument for calibrating gravimeter
05/1986
05/06/1986CA1204158A1 Airborne gravity surveying
04/1986
04/22/1986CA1203397A1 Automated borehole gravity meter system
04/15/1986US4581932 For detecting variations of gravity gradient
04/09/1986EP0177196A2 A method and apparatus for gravity gradient logging
02/1986
02/05/1986CN85201071U Instrument for measuring gravitational acceleration
11/1985
11/05/1985US4550601 Method for determining the magnitude of earth's gravity
09/1985
09/24/1985CA1194111A1 Borehole azimuth determination using magnetic field sensor
06/1985
06/18/1985CA1188980A1 Method of determining residual oil saturation
04/1985
04/30/1985US4513618 Gravity gradiometer and method
02/1985
02/05/1985US4497206 Gravimeter
10/1984
10/09/1984US4475386 Borehole gravimetry system
09/1984
09/25/1984US4472884 Borehole azimuth determination using magnetic field sensor
07/1984
07/03/1984US4457168 Automated borehole gravity meter system
07/03/1984US4457077 Borehole gradiometer
05/1984
05/01/1984US4445371 Gravity meter and method
03/1984
03/13/1984US4435981 Airborne gravity surveying
12/1983
12/27/1983US4422329 Apparatus and method for measuring changes in ambient gravity fields
12/13/1983US4419891 Support gravity measurement instrument
08/1983
08/23/1983US4399694 Gravity gradiometer compass
08/23/1983US4399693 Applications of borehole gravimetric techniques to determine residual oil saturation
08/09/1983US4397181 Method for determining fluid saturation in a subsurface formation
01/1983
01/25/1983US4369657 Gravimeter
07/1982
07/13/1982CA1127417A1 Dipole mass laser-based gravity gradiometer
06/1982
06/08/1982US4333341 Determination of the acceleration of gravity
01/1982
01/05/1982CA1115544A1 Ring laser gravity gradiometer
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