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Matches 1 - 50 out of 16,111

Document Document Title
WO/2018/011492A1
The invention relates to a method for estimating an angular deviation (â) between a reference axis (Aref) of a magnetic object (2) and a magnetic axis co-linear to a magnetic moment (m) of said magnetic object (2), comprising the follow...  
WO/2018/013004A1
The invention relates to the field of electrical prospecting research. The invention is used in marine electrical prospecting, having highlighted areas within the bounds of deposits, characterized by a sufficiently dense network of measu...  
WO/2018/013864A2
A power tong positioner has one or more eddy current probes mounted in association with a power tong/backup unit. An electric current runs through the probe, and with the probe positioned close to a tubular connection, movement of the pr...  
WO/2018/011428A1
The present invention relates to a method for characterizing a metallic interference mass S that lies concealed under a ground surface BO, in particular for detecting unexploded ordnance, where at the ground surface BO, a bore hole B is ...  
WO/2018/009181A1
An antenna assembly that includes a bobbin including arcuate first and second bobbin portions positioned about a tool mandrel. A protective layer is formed about the first and second bobbin portions, and a cover occludes a portion of an ...  
WO/2018/007640A2
The present invention relates to a method and system for electromagnetic excitation of a metallic interference mass that lies hidden beneath the surface of the ground, and in particular for detecting unexploded ordnance. In order to prod...  
WO/2018/009741A1
A long offset land seismic survey spread includes a plurality of sensors within an area thereby defining a sensor receiver patch, a plurality of long offset sensor receivers outside of the receiver patch thereby surrounding the receiver ...  
WO/2018/009198A1
A method and system for electromagnetic well ranging. The method may comprise receiving signals from one or more receiver coils at different depths in a second wellbore, applying a band-stop filter to the received signals to provide filt...  
WO/2018/009221A1
Apparatus and methods to evaluate a pipe structure taking buckling into account can be implemented in a variety of applications. Responses can be measured at a set of receivers of a tool in response to exciting the pipe structure with on...  
WO/2018/004387A1
The invention is used for collecting data and computing electromagnetic field transformations of differential-normalized parameters DU, P1, Dφ, and Ps, which may be determined, in particular, via a method for the quantitative division o...  
WO/2018/003345A1
This occupant detection system includes a transmitter (15) that is provided further to the front than a prescribed vehicle seat on a first lateral side that is one side from among the sides of the lateral surfaces of a vehicle and is for...  
WO/2018/001032A1
A circuit and method for detecting a medium below a gypsum board. The method comprises: first, providing a sensor which is composed of a group of PCB copper foils, namely two PCB copper foils which are in completely identical shapes form...  
WO/2018/000044A1
In accordance with the present invention there is provided a method of determining a multi-dimensional distribution function /(T2, D) of fluid types in a sample, the method comprising the steps of: (i) applying a sequence of radio freque...  
WO/2018/003889A1
This specific resistance detector using a ground improvement blade is used in a ground improvement apparatus having a co-rotation prevention blade and a stirring blade, and, by using an electrode for detecting specific resistance mounted...  
WO/2017/222500A1
An example down hole tool for determining ranging parameters involves placing a guard electrode between a survey electrode and a return electrode where the survey electrode and the return electrode are separated by a gap subs. A fixed, p...  
WO/2017/219124A1
A common capacitive touch sensor may have a two dimensional array of transparent conductive strips going from edge to edge on a substrate layer or sheet of a touch sensor. According to some aspects, there is provided a capacitive touch s...  
WO/2017/222481A1
In Georadar measurements made on sloping land; Gyroscopic Georadar for eliminating the subsurface positioning error caused by the gyroscopic effect: The Gyroscopic Georadar unit consists of 5 main parts:ihe Georadar ( 1 ) unit, the GNSS ...  
WO/2017/221099A1
A magneto mechanical resonator device comprises a ferromagnetic resonator element having a length substantially equal to an integer multiple (N) of a ½ wavelength of a resonant frequency of the ferromagnetic resonator element, wherein t...  
WO/2017/223523A1
This disclosure describes a stud sensor configured to locate a stud. The stud sensor includes a housing and a sensor carried by the housing. The sensor includes two or more electrodes. The two or more electrodes are configured to form a ...  
WO/2017/222962A1
The present disclosure relates to systems and methods for uniquely identifying buried utilities (104) in a multi-utility region. The system and methods may include sensing magnetic fields upon moving a magnetic field sensing locating dev...  
WO/2017/222660A1
Various downhole logging tools and methods of using and making the same are disclosed. In one aspect, a downhole logging tool (10) for inspecting a well casing (20) is provided that includes a housing (60) adapted to be supported in the ...  
WO/2017/217866A1
The invention relates to a downhole calliper tool (100) for measuring distance () between the calliper tool (100) and an interface in a well, such as a petroleum well or a geothermal well. The downhole calliper tool (100) comprises: - an...  
WO/2017/217662A1
The present invention relates to a foreign object detection method, and an apparatus and system therefor. A method for foreign object detection in a wireless power transmission device according to an embodiment of the present invention m...  
WO/2017/217663A1
The present invention relates to a method and an apparatus for detecting foreign material for wireless charging, and according to one embodiment of the present invention, a method by which a wireless power transmitter detects foreign mat...  
WO/2017/214353A1
In accordance with aspects of the current invention, a method of determining a location of a utility line includes driving one or more transmitters with a continuous wave signal; either adjusting for effects of direct coupling between th...  
WO/2017/214386A1
Methods, systems, devices, and products for making formation resistivity measurements including reducing the resistivity of the fluid proximate the electrode using ionizing radiation to induce a transient increase in electrical conductiv...  
WO/2017/209787A1
Data objects of a geospatial data set are arranged in a low-discrepancy sequence spanning over a pre-defined interval, and assigned to N computing units based on in which sub-interval within the pre-defined interval the point, to which t...  
WO/2017/210225A1
During operation, a system may apply an external magnetic field and an RF pulse sequence or a mechanical excitation to a sample. Then, the system may measure at least a component of a magnetization or a mechanical parameter such as elast...  
WO/2017/209984A1
An apparatus for measuring resistivity in a borehole includes first and second modules configured to be conveyed through the borehole and a transmitter connected to the first module, the transmitter transmitting a transmitter signal that...  
WO/2017/210226A1
During operation, a system may apply a polarizing field and an excitation sequence to a sample. Then, the system may measure a signal associated with the sample for a time duration that is less than a magnitude of a relaxation time assoc...  
WO/2017/209818A1
A system includes a plurality of magnetometers that are each configured to generate a vector measurement of a magnetic field. The system also includes a central processing unit that is communicatively coupled to each of the magnetometers...  
WO/2017/209623A1
There is described apparatus for orienting at least one electromagnetic field sensor, a related receiver unit and method of use. In particular embodiments, the apparatus has an orientation detector having an output which is dependent upo...  
WO/2017/205045A1
A nuclear magnetic resonance apparatus for estimating properties of an earth formation includes a carrier configured to be deployed in a borehole in the earth formation and at least one transmitting assembly disposed in the carrier and c...  
WO/2017/200523A1
Fiber optic sensors are described for detecting the operational position of a downhole moveable device. In one example, an electric or magnetic field is emitted into the wellbore and interacts with the moveable assembly, thereby producin...  
WO/2017/201450A1
A nonlinear terahertz (THz) spectroscopy technique uses a sample illuminated by two THz pulses separately. The illumination generates two signals BA and BB, corresponding to the first and second THz pulse, respectively, after interaction...  
WO/2017/197522A1
Resistive touch sensors, such as those used in touchscreen panels, typically comprise multiple sheets separated by a gap. Typically, one sheet is a hard substrate layer, and the other sheet is a flexible switch layer that, when touched, ...  
WO/2017/200629A1
Transient responses of a tri-axial resistivity tool corresponding to an electromagnetic (EM) impulse are derived. A transient response of a directional resistivity tool (DRT) corresponding to the EM impulse is derived based on the transi...  
WO/2017/198996A1
Disclosed is a method of determining subsurface temperatures of a surveyed region. The method comprises using a transmitter to transmit a pulsed electromagnetic signal into the ground; using a receiver to detect a return signal following...  
WO/2017/196817A1
A method of manufacturing at least one component of a joint prosthesis, the method comprising creating a first database representing an anatomy of an articulating bone of a joint of a subject; accessing a second database representing a g...  
WO/2017/196696A1
Inversion-based workflows are provided for real-time interpretation of the electromagnetic (EM) look-around and look-ahead measurements. The profile of a look-around zone is determined by interpreting EM measurements of a look-around zon...  
WO/2017/196741A1
A method for determining the direction and/or range from a drilling well to a target well may include positioning a magnetic source in the target well and a magnetic sensor in the drilling well. The method may include activating the magn...  
WO/2017/196357A1
A method includes deploying an electromagnetic (EM) defect detection tool in a borehole having one or more tubular strings. The method also includes collecting measurements by the EM defect detection tool as a function of measured depth ...  
WO/2017/196371A1
A method includes deploying an electromagnetic (EM) defect detection tool in a downhole environment having a plurality of tubular strings with different diameters. The method also includes receiving raw measurements collected by the EM d...  
WO/2017/194788A1
The present invention relates to a device for detecting electrically conductive objects under a ground surface and in particular for detecting unexploded ordnance as well as a corresponding method. In order to create a device and method ...  
WO/2017/197059A1
Provided in some embodiments are systems and methods for determining characteristics of a hydrocarbon reservoir. Embodiments include conducting a nuclear magnetic resonance (NMR) logging operation of a targeted reservoir section of a wel...  
WO/2017/192926A1
A method for estimating an inverted parameter of a subsurface formation includes measuring a first parameter of the subsurface formation and measuring a second parameter of the subsurface formation. The method further includes defining o...  
WO/2017/192646A1
A method of electrically logging a section of a wellbore includes circulating an oil-based wellbore fluid within the wellbore and allowing filtration of the oil-based wellbore fluid to form a conductive filtercake on a wall of the wellbo...  
WO/2017/192148A1
Methods, systems, and computer program products use current leakage rates to evaluate the resistivity of a subterranean formation around a drilling well in conjunction with a ranging operation. The evaluation entails obtaining a current ...  
WO/2017/192652A1
A method of electrically logging a section of a wellbore includes circulating an oil- based wellbore fluid comprising a conductive carbon material therein, the oil-based wellbore fluid having a conductivity of at most 0.01 S/m when measu...  
WO/2017/192123A1
A system for well comparison, comprising at least one electromagnetic field generator shaped for insertion into a first well and capable of generating an electromagnetic field; at least one detector capable of measuring in the second wel...  

Matches 1 - 50 out of 16,111