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WO/2021/112779A1 |
A metal detector which comprises at least one sensor (5) for detecting the magnetic field created by a transmitter (3) and an error detection system that enables to determine the distortion by means of comparing the detected magnetic fie...
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WO/2021/108849A1 |
A magnetic susceptibility and conductivity tool (10) which incorporates a transmitter coil (4) energized with a time-varying current from a transmitter coil drive (13). The transmitter coil drive receives a clock signal and induces a dat...
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WO/2021/108091A1 |
Aspects of the present invention include a system and method for differentiating one or more objects detected behind an opaque surface, comprising, a plurality of sensors, controlled by one or more processors, configured to collect in pa...
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WO/2021/107328A1 |
Disclosed is a method for searching a peripheral environment by an electronic device wherein: when a sensor for searching a peripheral environment can emit a plurality of senor signals in a direction belonging to a first direction range,...
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WO/2021/108386A1 |
Methods for simulation of hydrocarbon systems having a sharply varying viscosity gradient include receiving, by a computer system, Neutron Magnetic Resonance (NMR) logs for hydrocarbon wells in an oilfield. The computer system identifies...
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WO/2021/103697A1 |
A submarine cable three-dimensional routing measurement method based on magnetic vector data. The method comprises the following steps: 1) a measurement ship starting from one end of a submarine cable to drag a water surface towed body (...
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WO/2021/100217A1 |
Provided is a metal detector that makes it possible to quickly and accurately ascertain a noise occurrence state. A metal detector 50 produces a magnetic field in an inspection area 14 and detects foreign matter in an object 12 under i...
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WO/2021/101555A1 |
Data is received downhole from a downhole logging tool to produce received data. The received data is processed to produce processed data. A binary formatting option is selected from a group of binary formatting options, wherein applying...
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WO/2021/098667A1 |
A full-coverage anti-interference controlled-source electromagnetic detection method, comprising the following steps: (1) determining the range and position of a detection area; (2) carrying out field reconnaissance, and determining the ...
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WO/2021/099217A1 |
The present invention relates to a dual-technology detecting system (1), comprising: - an archway (2), - a metal detector (3) housed in a first segment (8) of the side panels (5), - a millimetre-wave body scanner (4) housed in a second s...
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WO/2021/092704A1 |
A method for timing aperture synthesis arrays comprising the steps of: (a) coupling a plurality of independent crystal oscillators, each of the plurality of independent crystal oscillators having a unique output frequency; (b) digitally ...
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WO/2021/097198A1 |
A directional tool and method of surveying a wellbore with the directional tool in a borehole string. A first sensor of the directional tool is disposed in a non-homogeneous ambient magnetic field. A first applied magnetic field is appli...
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WO/2021/096877A1 |
Systems and methods for removing galvanic distortion caused by near-surface inhomogeneities from surface-to-borehole (STB) measurements are disclosed. Corrected STB measurements may provide for a representation of the resistivity of an o...
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WO/2021/091580A1 |
A method for identifying an operating frequency may comprise performing a frequency sweep using one or more injector electrodes disposed on a downhole tool, recording one or more measurements from the frequency sweep, identifying one or ...
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WO/2021/092304A1 |
Systems and methods are presented for reducing electrical interference in measurement-while-drilling ("MWD") data. An example may include, among other features a MWD data acquisition system including an analog data reception for receivin...
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WO/2021/092604A1 |
A method for deriving at least one pore or fluid relaxation parameter and endpoint selected from the group consisting of a longitudinal T1 pore surface relaxivity constant (ρ1), a transverse T2 pore surface relaxivity constant (ρ2), a ...
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WO/2021/092603A1 |
A method for partitioning NMR T1-T2 data may comprise: identifying modes in NMR T1-T2 data from a plurality of samples with a multimodal deconvolution or decomposition with regularized nonlinear inversion; deriving a modal properties vec...
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WO/2021/086845A1 |
A method for evaluating saturation of a kerogen bearing subterranean formation includes obtaining conductivity and permittivity values of the formation and providing an effective medium model relating the conductivity and the permittivit...
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WO/2021/086786A1 |
An electromagnetic tool using slotted dipole antennas is presented. The dipoles may be placed in slots on a drill collar. A receiver or transmitter antenna consists of one or more slots. A dipole consists of a ferrite rod with electric w...
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WO/2021/081382A1 |
A multi-purpose detection circuit for object detection and vehicle position determination is described. For example, the circuit is configurable for detecting foreign metallic objects, living objects, and a vehicle or type of vehicle abo...
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WO/2021/077234A1 |
A system and method of locating and ranging to an underground structure uses ground penetrating radar to determine time-of-flight (ToF) to and from the structure.
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WO/2021/079518A1 |
An object detection device (20) comprises an acquisition unit (210), a likelihood information generation unit (220), and a determination unit (230). The acquisition unit (210) acquires interface signals from an irradiation device (10) at...
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WO/2021/081359A1 |
Methods and systems are provided for clay detection, clay typing, and clay volume quantification using electromagnetic measurements on a porous media sample at a low frequency less than 5000 Hz. The electromagnetic measurements are used ...
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WO/2021/079517A1 |
An image processing device (20) at least has an acquisition unit (210), a processing unit (220), and an image generation unit (230). The acquisition unit (210) acquires an intermediate frequency signal from an irradiation device (10). Th...
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WO/2021/081451A1 |
Briefly, an advanced data collection and processing system is provided to collect multiple types of data from farm terrain to drive a farm management processes, including a crop yield simulation tool. The system has disparate sensors mou...
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WO/2021/073618A1 |
A capacitive intelligent workstation detection system, comprising a capacitance detection sensor (1), a capacitive sensing module (201), a microprocessor module (202), a remote management platform (3) and a mobile APP, the capacitance de...
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WO/2021/072922A1 |
An electronic price tag (1) positioning method, an electronic price tag assembly, and a system, the electronic price tag (1) positioning method comprising the following steps: A1: on each layer of a shelf, arranging a resistive wire (21)...
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WO/2021/072703A1 |
A foldable portable metal detector, comprising a detection coil plate (10), a waterproof circuit protection compartment (20), a circuit component (26), folding fixing components (18), fastening components (14), an extension rod (40), and...
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WO/2021/073421A1 |
Disclosed in the present invention are a concealed resource prediction method and a rock electromagnetic logging system, applied to the technical field of mineral and oil-gas resource exploration. According to the rock electromagnetic lo...
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WO/2021/071483A1 |
A method of determining wettability may include: measuring an electrical property of a drilling fluid; and correlating the electrical property to wettability.
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WO/2021/070485A1 |
[Problem] To provide an operating body detection device for improving the reliability of input detection by a capacitive sensor. [Solution] An operating body detection device comprising: a capacitive sensor having a capacitance detection...
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WO/2021/072071A1 |
Methods and systems are provided for optimizing well-logging using an optimized wait time determined by analysis nuclear magnetic resonance data to achieve faster and better quality borehole evaluation. The method comprises performing a ...
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WO/2021/064044A1 |
The invention concerns a submarine exploration system (1) comprising: a master submarine drone (2) designed to move autonomously according to a predetermined flight plan (E) and comprising a communication module (C) for transmitting comm...
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WO/2021/065177A1 |
Provided is a capacitance detection sensor capable of improving the accuracy of detecting whether or not an object such as a person is approaching and detecting the pressure received from said object. A pair of first electrodes 111, 112 ...
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WO/2021/064800A1 |
This magnetic detection device comprises a magnetic sensor capable of measuring the size of an X-direction component of a magnetic field. The magnetic detection device determines whether the timing at which a magnetic body moving in the ...
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WO/2021/061110A1 |
Aspects of the subject technology relate to systems and methods for identifying values of mud and formation parameters based on measurements gathered by an electromagnetic imager tool through machine learning. One or more regression func...
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WO/2021/061357A1 |
Hydrocarbon wells and methods for monitoring fracture morphology of a fracture that extends from a wellbore of the hydrocarbon wells are disclosed herein. The hydrocarbon wells include a wellbore, a fracture that extends from the wellbor...
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WO/2021/053969A1 |
This imaging device has a detection means that detects the position of the surface of an object by receiving second electromagnetic waves having a wavelength shorter than that of first electromagnetic waves, a focusing means that condens...
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WO/2021/054943A1 |
Systems and methods for determining fluid density include receiving calibration data for a fluid density measurement tool. The fluid density measurement tool can include a cantilever beam and at least one strain sensor that is coupled to...
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WO/2021/048319A1 |
There is disclosed in one implementation a method of or for use in or for detecting, measuring and/or determining at least one variable or characteristic in a space, such as a well, container or vessel. In one implementation the method c...
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WO/2021/042619A1 |
A marine instrument recovery indication apparatus and method. The marine instrument recovery indication apparatus comprises a power supply module (1), a detection module (2), a control module (3), and a wireless communication module (4)....
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WO/2021/042952A1 |
A method for extracting IP information in a transient electromagnetic response of a grounded wire source, comprising the following steps: 1) obtaining underground resistivity information by means of inversion of a vertical magnetic field...
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WO/2021/035881A1 |
A nuclear magnetic resonance coil array (1) and a decoupling method thereof, and a nuclear magnetic resonance detection device. The coil array (1) comprises: a coil resonance unit and a decoupling network unit, wherein the coil resonance...
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WO/2021/041364A1 |
A system and method of evaluating and correcting for the effects of a near-surface anomaly on surface-to-borehole (STB) measurement data in a geological halfspace comprises transmitting electromagnetic radiation from an EM source located...
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WO/2021/035434A1 |
Disclosed are a marine geomagnetic daily variation observation apparatus and a geomagnetic measurement method. The apparatus comprises an observation boat and a plurality of floating bodies (1) arranged on the observation boat, wherein a...
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WO/2021/036065A1 |
An underwater or underground geological structure pseudo-rotation implementation apparatus and method. The apparatus comprises a controller, a signal transmitter arranged under the underwater ground, and a signal receiver capable of perf...
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WO/2021/039045A1 |
A scanner for image reconstruction of a structure of a target object uses a neural network trained to classify each segment of a sequence of segments of a modified wave into one or multiple classes. The sequence of segments corresponds t...
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WO/2021/038816A1 |
This underground investigation device (1) for investigating an underground area while moving comprises a transmission unit (12) for transmitting pulse waves, a reception unit (14) for receiving a reflected signal, a memory (16) for stori...
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WO/2021/040739A1 |
A method may comprise disposing a nuclear magnetic resonance logging tool into a wellbore, identifying an upper limit of an amplitude for tool motion, identifying a frequency range based at least in part on the upper limit of the amplitu...
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WO/2021/036780A1 |
Provided are a three-dimensional collection method and apparatus for magnetotelluric data, and a terminal device. An interference zone center point is used as the center of symmetry, multiple points having a symmetric relationship thereb...
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