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WO/2023/011815A1 |
The invention relates to an electromagnetic system (10) for geophysical prospecting, comprising a transmitting antenna (20) and a receiving antenna (30), said transmitting antenna (20) comprising at least one set (40) of transmitting ele...
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WO/2023/014862A1 |
Examples described herein provide a method for drilling a wellbore by a wellbore operation system into a subsurface of the earth. The wellbore operation system includes a bottom hole assembly. The method includes conveying the bottom hol...
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WO/2023/014498A1 |
A resistivity imaging device and a method of operating the resistivity imaging device in a wellbore. The resistivity imaging device includes a first electrode, a second electrode, and a circuit electrically coupled to the first electrode...
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WO/2023/012377A1 |
The invention relates to the technical field of magnetic detection. In particular, it relates to a metal detector (100) for detecting at least one metal object exposed to a magnetic detection field. The invention provides a metal detecto...
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WO/2023/000193A1 |
A wall body metal detector and a target positioning method therefor, comprising a housing, a power supply, a controller, a transmitting coil (L1), receiving coils, and compensation coils. The receiving coils comprise a first receiving co...
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WO/2023/004392A1 |
Embodiments of the disclosure provide a method to propagate a set of petrophysical measurements in at least one well to a well not having a full set of petrophysical measurements. The method includes identifying a first data set for a fi...
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WO/2023/002589A1 |
A scanning system (100) according to the present disclosure comprises: a scanning device (2) that moves a ground surface and scans underground below the ground surface; and a scanning guide generation device (4). The scanning guide gener...
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WO/2023/002071A1 |
The present invention relates to an electric potential measurement system for detecting contaminants in the subsoil, comprising: a reference electrode (2); a vehicle (3); a measurement electrode (4), having - a contact electrode (7) form...
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WO/2023/284764A1 |
A method and apparatus for detecting a living body in a vehicle by means of a radar, and a terminal device. The method comprises: acquiring a time domain echo signal array that is obtained by means of a target radar performing detection ...
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WO/2023/287440A1 |
A nuclear magnetic resonance (NMR) tool for use in a subterranean region, the NMR tool comprising a magnet assembly to produce a magnetic field in a volume in the region, an antenna assembly to produce an excitation in the volume, and to...
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WO/2023/279168A1 |
A metal detector in a cover of a container, comprising: a first winding; an inner winding with a surface area that is less than that of the first winding; and an outer winding with a surface area that is greater than that of the first wi...
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WO/2023/283082A1 |
Downhole monitoring systems are described. The systems include a downhole string disposed in a borehole, the string having a downhole tool and the borehole has fluid therein. A sacrificial electrical sensor element is arranged in or on t...
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WO/2023/283581A1 |
In one example, a sensor comprising a vapor cell including a vapor of alkali atoms is disclosed. The sensor further comprises a system configured to direct electromagnetic (EM) radiation of one or more frequencies into the vapor cell and...
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WO/2023/279100A1 |
A system and techniques for detecting near-subsurface voids in the earth use a controlled source electromagnetic transmitter and a plurality of controlled source electromagnetic receivers. Signals received by the plurality of controlled ...
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WO/2023/278238A1 |
A method of estimating a wettability characteristic of a rock material includes acquiring a plurality of T2 distributions based on nuclear magnetic resonance (NMR) measurements of a rock material under a plurality of fluid saturated rock...
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WO/2023/275541A1 |
The application relates to apparatus and methods for the detection of conductive objects, especially metal objects and objects of other conductive material e.g. carbon, silicon, conductive plastic-based materials, and, in particular, con...
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WO/2023/278329A1 |
A method for making electromagnetic logging measurements in a curved section of a subterranean wellbore includes rotating an electromagnetic logging tool (including at least one transmitter and at least one receiver) in the curved sectio...
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WO/2022/268484A1 |
The invention relates to a sensor device (1) for sensing a magnetic field change caused by an object (11) approaching the sensor device (1). According to the invention, in order to design the sensor device (1) to also detect objects (11)...
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WO/2022/272231A1 |
A system and method for evaluating a subterranean formation includes a logging tool that includes transmitter and receiver antennae. The transmitter antenna transmits a first electromagnetic signal into the formation at a plurality of de...
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WO/2022/271693A1 |
A transmitter for an inground operation includes an antenna and a sensor section for generating sensor data. An antenna driver selectively drives the antenna to emit a locating signal such that the locating signal carries the sensor data...
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WO/2022/271909A1 |
A device for generating oscillating signals includes an energy transfer device configured to apply an oscillating signal to a sensitive volume, and a resonant tuning circuit including the energy transfer device. The tuning circuit includ...
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WO/2022/266188A1 |
A system (900) for analysis of a porous formation is disclosed. Such a system (900) can provide (492, 494) electrical signals for one or more of the porous formation or a representation of the porous formation; can determine (496), using...
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WO/2022/265600A2 |
The present invention relates to a method for determining the position of an object contained in electromagnetic launchers or coil-style structures, the feature of which is; the ejected object (2), placed in the coil (1), and coil (1), d...
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WO/2022/266514A1 |
A method for determining depth of a material is disclosed. The method includes transmitting a signal from an antenna at a location. The signal includes a fundamental frequency and the signal penetrates ground under the location. The loca...
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WO/2022/260725A1 |
A system may include an electromagnetic (EM) logging tool. The EM logging tool may include a mandrel, at least one low-frequency transmitter coil disposed on the mandrel, at least one-low frequency receiver coil disposed on the mandrel, ...
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WO/2022/260724A1 |
A system for inspecting a tubular may comprise an electromagnetic (EM) logging tool and information handling system. The EM logging tool may further include a mandrel, one or more sensor pads attached to the mandrel by one or more extend...
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WO/2022/256939A1 |
There is provided a probe including a tubular body having a bottom portion, a circuit board mounted within the tubular body and aligned with the bottom portion, a signal generator configured to produce driving signals, each having a freq...
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WO/2022/256527A1 |
A method is provided for evaluating logging while drilling (LWD) nuclear magnetic resonance (NMR) measurement quality. The method may include rotating a bottom hole assembly (BHA) in a wellbore to drill. The BHA may include an NMR tool d...
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WO/2022/256795A1 |
The systems and techniques described herein may allow for optimized boring through a variety of geologies. A plurality of different boring techniques may be utilized for boring through a geological formation, in order to suit the charact...
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WO/2022/251921A1 |
A geophysical data acquisition device (10) for acquiring and processing signals from different transducers is provided. The geophysical data acquisition device comprises a plurality of transducer signal receivers (12) configured to recei...
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WO/2022/252614A1 |
A real-time correction method for a constant-temperature crystal oscillator, and an electromagnetic receiver. The real-time correction method for a constant-temperature crystal oscillator comprises: performing frequency multiplication on...
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WO/2022/247992A1 |
The invention relates to a method for detecting objects in the ground which have a magnetic or electromagnetic signature and are situated within a measurement field. According to the method, the entire measurement field is probed by mean...
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WO/2022/250888A1 |
System and methods of petrophysical modeling are disclosed. Training data for modeling a reservoir formation surrounding a wellbore drilled within the reservoir formation is received via a network from one or more data sources. A machine...
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WO/2022/242205A1 |
A metal detection system for a flash recycling and conveying system of a hollow molding machine, relating to the technical field of electrical control of waste recycling. A circuit breaker (1) is connected to a switching power supply (2)...
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WO/2022/246082A1 |
A method for generating a drilling plan for drilling a wellbore at a field includes receiving data. The data includes one or more of geological properties at the field, wellbore properties, drilling tool parameters, rig characteristics o...
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WO/2022/241550A1 |
A proximity sensing autonomous robotic system and apparatus is provided. The robot includes one or more vision modules for viewing the environment for depth perception, object detection, object avoidance and temperature detection of obje...
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WO/2022/245240A1 |
The present technical solution relates to the field of surveillance systems used at checkpoints where people are examined for the presence of prohibited items or with respect to possible unlawful activity. The technical result is that of...
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WO/2022/237433A1 |
A SAR detection assembly (10) and method, and an electronic device, the SAR detection assembly (10) comprising: a sensing branch (110), a detection branch (120), a SAR sensor (140), and a compensation branch (130), wherein the sensing br...
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WO/2022/239786A1 |
A patrol robot (1), provided with multiple magnetic sensors for detecting magnetic markers (50) placed on a track, has two or more magnetic sensors arranged on sensor array lines that extend linearly in any direction; two sensor array li...
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WO/2022/241421A1 |
A shield for deployment about an antenna on an electromagnetic logging tool includes an electrically conductive, hollow body configured for coaxial deployment about the antenna. The hollow body includes a plurality of slots that extend t...
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WO/2022/239195A1 |
A vehicle occupant detection system (S) comprises an identification unit (SK) for identifying whether an object (OB) inside a vehicle (VH) is a person, a first detection unit (KN1) for detecting the movement velocity (V) of the person id...
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WO/2022/234242A1 |
A vehicle proximity sensor system comprising: a magnetometer; and a controller configured to: receive a reference magnetic field signal from the magnetometer; receive a measurement magnetic field signal from the magnetometer; determine m...
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WO/2022/235281A1 |
Described herein are methods for removing the vibration induced additional signal obtained during downhole NMR operations. The additional signal is removed by analyzing a number of instances of data sets neighbors, at either the raw echo...
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WO/2022/228211A1 |
The present application relates to the technical field of computers and provides a method and apparatus for constructing a visual view. The present application provides a method for constructing a visual view by using a coordinate system...
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WO/2022/230897A1 |
This information processing device includes: an acquisition means for radiating an electromagnetic wave from the surface of an inspection object, and acquiring data of a reflected wave occurring due to the electromagnetic wave being refl...
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WO/2022/226859A1 |
Disclosed in the present application is an underwater specific sound extracting device, comprising: a bearing platform, a cable, a counterweight, a sound pickup unit, a data acquisition and conversion unit, a data transmission unit, a sy...
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WO/2022/232153A1 |
An inversion-based method has been developed to evaluate up to 5 or 6 nested casings by utilizing complementary sensitivities from time-domain collocated (relatively shallow) and multi-frequency, multi-spacing non-collocated (both relati...
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WO/2022/231583A1 |
A method for characterizing a subterranean formation is provided that involves obtaining resistivity log data measured by a logging-while-drilling electromagnetic tool operated while drilling a wellbore that traverses the subterranean fo...
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WO/2022/231596A1 |
The present invention is directed to an apparatus for use on a structural member having a longitudinal axis. The structural member conducts a pressurized fluid in an operational state. The apparatus includes a housing member (12) having ...
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WO/2022/222742A1 |
A vector-resistivity-based real-time advanced detection method for a water-bearing hazard body. The method comprises: on the basis of a pre-constructed detection environment, acquiring, in real time, the potential difference between rece...
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