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Matches 1 - 50 out of 496

Document Document Title
WO/2020/249974A1
A method of measuring an acceleration using one or more trapped BECs and at least two atomic field modes within those BECs is described. A density distribution of at least one of the one or more BECs is modified by the acceleration, whic...  
WO/2020/197416A1
System are described for cargo transportation comprising a container adapted for the storage of cargo and adapted for transportation by UAV. The container has features of a shell defining and interior space adapted for the containment of...  
WO/2020/168314A1
An optomechanical inertial reference mirror combines an optomechanical resonator with a reflector that serves as an inertial reference for an atom interferometer. The optomechanical resonator is optically monitored to obtain a first iner...  
WO/2020/140378A1
Provided is a method for post-compensation of the motion error of a rotating accelerometer gravity gradiometer: in gravity gradient exploration on a moving base, recording the angular motion and linear motion of a gravity gradiometer; af...  
WO/2020/122892A1
Methods and systems of the present disclosure integrate time-lapse gravimetric data with dynamic reservoir modeling, whereby petrophysical constraints are applied to the inversion of the gravimetric data to constrain the resulting dynami...  
WO/2020/113327A1
A system, including one or more motion sensors, a microprocessor and one or more displays, for monitoring and displaying (in real time), forces experienced by a vessel and the crew, including peak and cumulative forces, and Whole Body Vi...  
WO/2020/109835A1
The present invention relates to a method for determining of an exploration or exploitation scheme for a real subsoil, this method comprising: - determining a first scoring value based on a determined geometry of the subsoil, said first ...  
WO/2020/079222A1
A sensor is disclosed which has a base plate (3), a support element (6), a mass element (4) supported on the base plate by means of the support element (6), and a measurement point (8). The support element (6) has at least one first port...  
WO/2020/042696A1
Disclosed are a device and method for compensating for an error of a moving-base rotating-accelerometer gravity gradiometer. A signal of the gravity gradiometer before demodulation is compensated by calculating an angular motion error, a...  
WO/2019/218889A1
Disclosed is a vertical superconductive magnetic spring oscillator with an adjustable inherent frequency, the oscillator comprising: a test mass (1), a negative-stiffness superconductive coil (3), and a positive-stiffness superconductive...  
WO/2019/200488A1
A sensor has an at least partially conductive material to which plural conductive contacts are connected. A processor causes circuits to be formed between pairs of the conductive contacts to measure an electrical property of the material...  
WO/2019/190504A1
A method and system for in-sit calibration of a gravimeter. A method may comprise disposing a downhole tool in a borehole, wherein the downhole tool comprises the gravimeter attached to a linear actuator, recording a first set of measure...  
WO/2019/173160A1
Example gravity gradiometers are described that utilize high precision resonant optical cavities to measure changes in gravitational forces at high sensitivities. In one example, a sensing system includes a gravity gradiometer and a cont...  
WO/2019/129746A1
The present invention relates to electromagnetic devices 1, 21 and associated methods for the directional emission and the detection of gravitational waves. The gravitational wave generating device 1 consists of a cavity 4 carrying elect...  
WO/2019/129745A1
The present invention relates to electromagnetic devices 1, 21 and associated methods for the directional emission and the detection of gravitational waves. The gravitational wave generating device 1 consists of a cavity 4 carrying elect...  
WO/2019/118188A1
A method may comprise obtaining, during drilling operations within a wellbore, two-dimensional accelerometer data with an accelerometer on a rotating downhole tool, determining a radial offset of the accelerometer based on the two-dimens...  
WO/2019/116047A1
The disclosure relates to a gravity gradiometer comprising a pair of magneto-optical traps for measuring a gravity gradient. Example embodiments include a cold atom gravity gradiometer system (100) comprising: first and second magneto-op...  
WO/2019/109638A1
A three-component gravimeter probe and a well gravimeter system. The three-component gravimeter probe comprises: X-axis, Y-axis and Z-axis gravity measuring modules with the same structure. Each uniaxial gravity measuring module comprise...  
WO/2019/109639A1
A method for fabricating a high precision MEMS inertial sensor using an SOI wafer and an accelerometer, wherein the method for fabricating a high precision MEMS inertial sensor comprises the following steps: 1. Processing an SOI wafer: f...  
WO/2019/104912A1
Disclosed are a method and apparatus for obtaining a residual gravity anomaly. The method comprises: obtaining a Bouguer gravity anomaly in a target region; determining a first pre-set range corresponding to each sampling point in the ta...  
WO/2018/232779A1
Disclosed is a MEMS gravimeter, comprising: a vibrator unit (1, 15, 16, 17), a shift sensing structure (2), a shift detection circuit (4), a chamber (7) and a horizontal adjusting base (10). The vibrator unit (1, 15, 16, 17) is provided ...  
WO/2018/161474A1
A gravity gradient measurement method and apparatus. In the gravity gradient measurement apparatus, a turntable (3) rotates horizontally around an earth-vertical axis, a vacuum layer (7) is disposed on the turntable (3), the vacuum layer...  
WO/2018/111335A1
A method of underground utility location and damage prevention that electronically registers together multi-layer underground and surface images of a surface volume with buried utilities and other infrastructures. Such method further com...  
WO/2018/102264A1
Described is a system for estimating a trajectory of a borehole. The- system processes signals of sensor streams obtained from art inertial sensor system. Using the set of processed signals, the system determines whether a drill is in a ...  
WO/2018/071993A1
A sensing element (10) for an intrinsic gravity gradiometer (IGG) for use in sensing variation in a gravity field at a location. The sensing element (10) is flexible, elongate and has unfixed opposed ends (12, 14) when part of the gravit...  
WO/2018/064716A1
Provided is an aircraft 10 which has been configured for conducting airborne gravimetry surveys, comprising a gravimeter 14, a global navigation satellite system (GNSS) receiver 18 arranged in signal communication with the gravimeter 14,...  
WO/2018/043006A1
Provided is a gravity measuring device which is capable of autonomous navigation and hovering in water and which is grounded on a body-of-water bottom to measure gravity. The gravity measuring device comprises: a gravity measuring unit f...  
WO/2018/022842A1
In some examples, a sensor device is to mount to a barrier pivotable between an open position and a closed position, the barrier being on a moveable platform. The sensor device includes an accelerometer to measure acceleration data and a...  
WO/2017/212272A1
A gravimeter or inertial sensor system and method of operating such a system is provided. The system comprises a variable frequency signal source (100, 101, 102) configured to provide first and second signals, a resonant sensor (103) con...  
WO/2017/191408A1
The invention relates to a pumped-down optical apparatus (1) including a vacuum chamber (2), the vacuum chamber including walls bounding a sealably closed interior space (5), wherein an internal surface of the walls (3, 4) includes a lay...  
WO/2017/135183A1
[Problem] To estimate a surface density distribution that allows application of terrain correction values having high spatial resolution, in which surface terrain, layer thickness, and density are taken into consideration, in analyzing a...  
WO/2017/131848A1
Example computer-implemented methods, computer-readable media, and computer systems are described for performing gravity modeling. In some aspects, survey data that includes gravity data of a rifted continental margin is accessed. A valu...  
WO/2017/131449A1
An electronic device is provided. The electronic device includes a display positioned on at least a surface of a housing of the electronic device, at least one sensor configured to sense a bend of the display and a mount of the electroni...  
WO/2017/111610A1
A system (100) for monitoring a field (20) under a body of water, wherein the system (100) comprises a reference station (112) and a plurality of permanent seafloor sensors (120, 121). Each permanent seafloor sensor (120, 121) is fixed r...  
WO/2017/111611A1
A device (110) for performing measurements on a seabed (3), comprises a chamber (111) containing a sensor (120) and a fluid (115) at a constant temperature and at an ambient pressure. This removes the need for calibration in large ranges...  
WO/2017/099727A1
Gravity surveys of subterranean formations may be based on the simultaneous measurement of gravity and its derivatives to produce a higher resolution formation map or wellbore log. For example, a method of performing a gravity survey may...  
WO/2017/049116A1
Embodiments of the present invention may be generally related to methods, devices, and systems which measure a gravitational field. The methods and devices may utilize an interferometer to measure tilt of a pendulum, where the tilt of th...  
WO/2017/025801A1
Systems and methods for calculating gravity and gravity gradient terrain effects. The method includes a step (1700) of receiving a digital relief model (DRM) and gravity and/or gravity gradient data recorded at observation stations; a st...  
WO/2015/027299A3
The present invention relates to the problem of quantum gravity, and more particularly to registering quantum gravitational radiation. The essence of the proposed invention is that a non-spherical proof mass is prepared from a non-magnet...  
WO/2016/138266A1
A gravitational radiation communication system. The system includes a gravitational radiation transmitter and a gravitational radiation receiver. Each of the transmitter and the receiver includes a first cylindrical superconducting cavit...  
WO/2016/132046A1
The invention relates to a method for measuring an external parameter (a) by means of atomic interferometry using two sets of atoms (11, 12) that belong to different species. Two measurements are taken simultaneously at the same location...  
WO/2016/132047A1
The invention relates to a method for measuring an external parameter (a) by atomic interferometry, using two sets of atoms (11, 12) that belong to different species. Two measurements are taken simultaneously at the same location, but in...  
WO/2016/097332A1
Coherent spectroscopic methods are described, to measure the total phase difference during an extended interrogation interval between the signal delivered by a local oscillator (10) and that given by a quantum system (QS). According to o...  
WO/2016/077915A1
An airborne gravity-based transducer is disclosed as two embodiments with similar physical structures but different operating principles. The first design includes a particle acting as an active interface characterized by internal vibrat...  
WO/2016/030435A1
An acceleration measuring device is disclosed, for use as a gravimeter or gradiometer for example. The device has a support and a proof mass, connected to each other by at flexures allowing displacement of the proof mass relative to the ...  
WO/2016/028189A1
The method and apparatus for remote gravimetric sounding relate to the field of geophysics and are intended for determining a resulting radius-vector of gravitational acceleration gz, the three-dimensional characteristic gφ thereof and ...  
WO/2016/022996A1
A gravimeter for measuring the gravitational field of the Earth without an inertial reference comprises accelerometer pairs disposed on a platform where the sensitive axis of each accelerometer is arranged on the platform to measure plum...  
WO/2016/019020A1
An apparatus for estimating gravitational properties includes an optical source, a first interferometer including a fixed reference reflector and a first reflector coupled to a first moveable mass, a second interferometer including the f...  
WO/2015/199683A1
A gravitational logging method includes obtaining gravitational field measurements from a permanent array of downhole or subsea sensor units. The method also includes inverting the gravitational field measurements as a function of positi...  
WO/2015/199684A1
A gravitational logging method includes optically obtaining gravitational field measurements from one or more downhole or subsea sensor units. The method also includes inverting the gravitational field measurements as a function of posit...  

Matches 1 - 50 out of 496