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Matches 1 - 50 out of 16,228

Document Document Title
WO/2018/071658A1
The integrity of a well is evaluated using a non-invasive and lower cost screening system and method. The system and method identify whether well integrity has degraded and whether there is a clear break in the casing (100) of a well, a ...  
WO/2018/069742A1
A method, apparatus, and program product may evaluate a field by receiving a dataset including well measurements collected from a plurality of wells in a field, generating a synthetic dataset from the received dataset by computing a plur...  
WO/2018/069696A1
There are described downhole devices, methods and other apparatus, which may be used to generate energy, monitor fluids and/or provide control signals or otherwise trigger for actuation. The devices, methods, etc. may provide improved au...  
WO/2018/071032A1
The disclosed embodiments include leak detection systems and methods of downhole leak detection. In one embodiment, the method includes obtaining physical signals measured by at least one physical sensor traveling along a wellbore. The m...  
WO/2018/067126A1
In accordance with presently disclosed embodiments, a system and method for determining a measurement for a pseudo receiver antenna with a different lateral position and a different azimuthal direction than at least two receiver antennas...  
WO/2018/067112A1
A system, in some embodiments, comprises: a drill string; a first receiver coil coupled to the drill string at a fixed tilt angle with respect to a longitudinal axis of the drill string; a second receiver coil coupled to the drill string...  
WO/2018/068036A1
Systems and methods of the present invention provide for one or more server computers communicatively coupled to a network and configured to: receive and aggregate GPS location data for assets on a farm; determine a window of activity fo...  
WO/2018/067757A1
In-phase and quadrature components have different relationships with some important petrophyscial parameters, such as water saturation and mineral cation exchange capacity (CEC). In clay-containing subterranean rock formation such as sha...  
WO/2018/065452A1
The invention relates to a meshwork (20) for detecting an object in a magnetic field, comprising a plurality of sensor lines (1150). The sensor lines (1150) are connected together parallel to one another in a first direction (X). The sen...  
WO/2018/058736A1
Provided is a device for detecting marine magnetism, the device comprising a surveying vessel (11), an on-board laboratory magnetism detecting part arranged on the surveying vessel (11), an aerostat housing (12) and an aerostat magnetism...  
WO/2018/063237A1
A borehole fluid imaging system includes a plurality of radiation sources located circumferentially around the borehole. A plurality of radiation detectors are located circumferentially around the borehole. The plurality of radiation det...  
WO/2018/064366A1
A method for performing a modified two point flux approximation scheme is disclosed. The method includes: obtaining a first pressure value for a first neighbor cell and a second pressure value for a second neighbor cell, where the first ...  
WO/2018/063387A1
Methods, systems, and computer program products appraise the quality of resistivity LWD data inversion and related earth models. The appraisal uses several quality factors, including signal-to-noise ratio, noise-to-signal ratio, data imp...  
WO/2018/063162A1
A method and electromagnetic ranging system for determining the location of a target well. A method may comprise taking a first measurement with an electromagnetic ranging tool at a first position and calculating a first modeled signal. ...  
WO/2018/063246A1
A logging instrument for estimating a property of a formation is provided. The instrument includes a magnet to generate a magnetic field. The instrument also includes pulse sequencer circuitry that supplies radio frequency (RF) signals. ...  
WO/2018/063328A1
A system for determining characteristics of a fracture can include electromagnetic sensors and a pressure sensor. The electromagnetic sensors can be positioned in a wellbore having a perforation to determine an amount of flow traversing ...  
WO/2018/063146A1
Interrogation tools and methods are used to efficiently locate cable behind casing. The interrogation tool has at least one electromagnetic transmitter and receiver. An electromagnetic field is emitted from inside the tubular, whereby it...  
WO/2018/063184A1
A casing has a plurality of joints of pipe joined by a plurality of casing collars, and an outer surface. A high-frequency alternating current (AC) source electrically is coupled to the casing. A coating of insulating material covers the...  
WO/2018/063254A1
Systems and methods for placing well bores and/or portions of completed well systems in a subterranean formation relative to tar mats or other phenomena in the formation are provided. In some embodiments, the methods comprise: identifyin...  
WO/2018/063144A1
A system, method, and device for determining volume concentration with diffraction of electromagnetic radiation. A device for determining a volume concentration of a fluid in a sample comprises a transducer, a transmitter, a detector, an...  
WO/2018/063364A1
A method, system, and device for terahertz spectroscopy to analyze a sample. The device comprises a transmitter, a waveguide, a receiver, and a processor. The transmitter generates electromagnetic (EM) radiation in a terahertz frequency ...  
WO/2018/056999A1
Systems and methods for utilizing diverse excitation sources in single well electromagnetic ranging. A method may include disposing an electromagnetic ranging tool in a wellbore, wherein the electromagnetic ranging tool may comprise one ...  
WO/2018/056969A1
The structural integrity and reliability of a downhole tool, mandrel, casing or other downhole component may be improved by implementation of a design and configuration that does not require several separate components to be coupled toge...  
WO/2018/056946A1
Core samples may been collected in a subterranean formation, preserved downhole in a pressurized nuclear magnetic resonance (NMR) core holder (1) comprising components for NMR imaging and (2) capable of maintaining the core samples at do...  
WO/2018/056947A1
Pressure coring where the core apparatus drills the core sample and seals the core sample at its native downhole pressure (e.g., several thousand psi) may be expanded to include nuclear magnetic resonance (NMR) imaging components to prod...  
WO/2018/056955A1
Disclosed are NMR logging methods and antenna arrangements for fast moving NMR logging tools. The NMR logging tool includes a permanent magnet for inducing a static magnetic field in a formation within a borehole and a transmitter antenn...  
WO/2018/058038A1
A system for measuring geometric change in a subterranean structure. The system includes an apparatus communicably couplable to a computing system. The apparatus is couplable to a mobile platform and includes a sensor configured to acqui...  
WO/2018/052819A1
The present invention provides a methodology and system for formation boundary detection ahead and around of a drilling bit. By setting symmetrical design of receivers/transmitters around a transmitter/receiver and the direction of the r...  
WO/2018/050665A1
The invention relates to a device for detecting the properties of a subsurface, in particular a soil sensor, comprising at least one transmitter coil and at least one, preferably four, receiving coils, wherein the transmitter coil is des...  
WO/2018/052820A1
The present invention provides a methodology and system for determining formation resistivity beyond a casing. Using devices to generate, direct, and measure electric signals, the travel speed, travel time, attenuation and phase shift of...  
WO/2018/052456A1
A look-ahead logging method includes obtaining an initial resistivity log. The method further includes deriving an initial formation model based on the initial resistivity log. The method further includes estimating deep resistivity meas...  
WO/2018/052627A1
Techniques for detecting a presence of a foreign object within a region for wirelessly transferring power to charge an electric vehicle are discloses. An example apparatus according to the disclosure includes a foreign object detection (...  
WO/2018/053103A1
Measures of the hydrocarbon content of a shale gas formation or reservoir are obtained. Nuclear magnetic resonance (NMR) well logs are obtained from a well in the reservoir measures of the total fluid, including both water and hydrocarbo...  
WO/2018/045465A1
Systems and methods for marking the location and extent of an anatomical region-of-interest, such as a tumor, using magnetic seeds whose position and orientation are measured or otherwise detected using a detection device that includes t...  
WO/2018/048392A1
Communication from a well surface location at a well site to a downhole tool positioned within a wellbore may be performed such that fluid flow is not restricted through the downhole tool. For example, a method may include: sending a sig...  
WO/2018/049298A1
A resistivity measuring tool used in a drillstring having a drill bit on a distal end for drilling a wellbore in a formation includes a tool body having a longitudinal axis, a pair of transmitter antennas having magnetic moments parallel...  
WO/2018/046947A1
There is disclosed apparatus and methods for determining the position of an elongate structure. A plurality of magnetic field sensors arranged at fixed spacing, each sensor being arranged to sense a magnetic field of a remote structure i...  
WO/2018/048321A1
A set of directional measurements are obtained for multiple measured depth intervals along the length of a wellbore. Based on the directional measurement sets, and for each measurement set, the locations corresponding to a portion of ...  
WO/2018/047638A1
The transmission device for a seabed resource exploration system according to the present invention is provided with a transmission unit for transmitting a predetermined transmission artificial signal transmitted to perform exploration f...  
WO/2018/045746A1
Disclosed is a method for construction of a boom-type roadheader for an urban shallow tunnel with intensive karst and rich water, comprising the following steps: measuring and positioning an excavation tunnel face, and then performing ge...  
WO/2018/045032A1
The present invention includes an apparatus and method for external magnetic resonance imaging and spectroscopy of a prostate comprising: one or more radio frequency (RF) coils adapted to externally image the prostate, wherein the one or...  
WO/2018/045331A1
A system measures and/or estimates the distribution of current flowing in or on a long conductor, such as a borehole casing. More specifically, the present invention provides a method for obtaining an accurate measurement or estimate of ...  
WO/2018/043664A1
This sensor sets, as a first threshold value, a value larger than a detected value of a capacitance at the time when the sensor is disposed, and in the cases where a detected value exceeds the first threshold value, the sensor sets, as a...  
WO/2018/044337A1
A logging tool and a method for in-situ, independent calibration of receiver amplifier electronics separately from transmitter electronics. A logging tool can perform in-situ gain and phase calibration on one or more receiver assemblies,...  
WO/2018/042655A1
A dielectric boundary surface estimation device (100) is provided with a pre-processing unit (300) for performing pre-processing of wave motion data obtained by observation of a dielectric by a radar device, a three-dimensional-synthetic...  
WO/2018/039038A1
A method for measuring contact angles between a solid-fluid pair, such as at reservoir pressure-temperature conditions, using X-ray images of a specific solid-fluid-fluid configuration. A column is formed out of a mineral or a rock. A co...  
WO/2018/032669A1
A millimeter wave imaging-based omni-directional security detection system, the system comprising: a support frame (10), the support frame (10) including a plurality of surfaces, a millimeter-wave transmission link (20) for generating a ...  
WO/2018/033430A1
The present invention relates to a measuring apparatus for detecting electrically conductive elements (34, 44, 51) in a material stream (31, 41) or strand (50) or a rod-shaped article of the tobacco-processing industry, comprising at lea...  
WO/2018/033915A1
A process for removing charged species from a fluid is disclosed. A system comprised of a chamber containing a polarizable particle which is configured to be operably connected to a power source, so as to apply an electrical field in a f...  
WO/2018/033923A1
The present invention provides a computerized system for mapping an orchard, and a method for producing precise map and database with high resolution and accuracy of all trees in an orchard.  

Matches 1 - 50 out of 16,228