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WO/2017/078721A1 |
A first set of radiation detectors may be disposable on the a drill string, wherein the first set of radiation detectors are capable of detecting gamma radiation and neutron radiation; and a combined chemical source spaced from the first...
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WO/2017/074884A1 |
A method can include receiving borehole data for at least two properties associated with a formation; performing an inversion for formation pressure and temperature values based at least in part on at least a portion of the borehole data...
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WO/2017/070069A1 |
Methods may include applying a correlation between the probability of stress variations in a first well and variations in drilling data obtained from the first well to drilling data obtained from one or more additional wells; calculating...
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WO/2017/069865A1 |
Gamma ray logging tools are calibrated using gamma emissions data simulated using Monte Carlo modeling techniques. During the simulation, one or more nuclear activity zones of a formation are modeled and photon counting rates are determi...
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WO/2017/068370A2 |
In an example, it is provided an inspection system having: a source configured to generate inspection radiation; a collimator configured to collimate the inspection radiation into an inspection beam configured to irradiate a section of a...
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WO/2017/055962A1 |
A system (10) for the remote detection of substances, comprising a vehicle (20) that is mobile in space and remote-piloted using a control device (40) with a haptic interface suitable to return a force feedback to a user of the con¬ tro...
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WO/2017/058043A1 |
This disclosure describes a method, apparatus, and non-transitory computer-readable medium product for correcting a shale volume estimated from gamma ray information using a continuous radial profile of horizontal resistivity in the i...
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WO/2017/051194A1 |
In one aspect, there is provided a method of denoising one or more inspection images comprising a plurality of pixels, comprising: receiving an inspection image generated by an inspection system configured to inspect one or more containe...
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WO/2017/050009A1 |
A security check channel is used for a security check device using radiation and comprises: a detection channel main body part (111), the detection channel main body part (111) extending along a first direction, and articles to be checke...
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WO/2017/048239A1 |
A photon radiation detection systems utilizes scintillating fibers to detect downhole radioactivity along a wellbore. The system includes a light detection unit, extended light guide, and a scintillating fiber radiation detector extendin...
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WO/2017/041598A1 |
A safety inspection device (100). The safety inspection device (100) comprises: an X-ray source (10), the X-ray source (10) comprising a ray emitting point (101) and emitting a fan-shaped ray beam (30) from the ray emitting point (101); ...
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WO/2017/040149A1 |
Various apparatus or methods are arranged to operate a tool downhole in a well, where the tool has a detection package operable to detect gamma rays. Deviation of energy spectra of detected gamma rays in each selected energy window of a ...
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WO/2017/039968A1 |
Various apparatus or methods are arranged to operate a tool downhole in a well, where the tool has a detection package operable to detect gamma rays. Spectra peaks of the detected gamma rays can be determined in each of selected energy w...
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WO/2017/032849A1 |
A method of scanning a clothed human subject (14), the method comprising obtaining first scan data using a first scanner (10) by illuminating the subject with a first source of radiation adapted for scanning soft tissue surfaces hidden b...
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WO/2017/030579A1 |
Methods including taking a gamma spectrum from a wellbore at a target depth, wherein the wellbore penetrates a subterranean formation and has a completion profile comprising a pipe and an annulus between the pipe and the subterranean for...
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WO/2017/030578A1 |
Methods and systems including establishing a wellbore heterogeneity profiling factor (HPF), establishing a cement quality curve representing a volumetric void space of a completion profile, and comparing the wellbore HPF and the cement q...
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WO/2017/023272A1 |
Disclosed are apparatus, systems, and methods for determining the completeness of the cement sheath or gravel-pack annulus of a borehole based on gamma counts or count rates measured with a pulsed neuron tool deployed in the borehole in ...
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WO/2017/023460A1 |
An apparatus comprising a data acquisition tool including NMR sensors, a data acquisition processor communicatively coupled with the NMR sensors, and a first memory storing instructions that cause the data acquisition processor to perfor...
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WO/2017/023282A1 |
A method and system for evaluating the cement behind casing and fully inverting acoustic properties of the material, including density and the speed of sound. A density map of the cement sheath is determined using a nuclear logging techn...
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WO/2017/020857A1 |
The invention relates to the technical field of oil and gas exploration and logging. Provided are a method and device for measuring a formation elemental capture gamma ray spectrum. The method comprises: (11) performing moderation on a n...
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WO/2017/012562A1 |
A method for estimating the weight of an inspected object in a safety inspection system comprises: scanning by means of dual-energy rays to obtain an equivalent atomic number value and a dual-energy high-energy gray feature value corresp...
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WO/2017/011057A2 |
The present disclosure describes a four plane x-ray inspection system for inspecting objects present within containers to be transported and for identifying and distinguishing objects constituting weapons, explosives, bombs, materials, c...
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WO/2017/011658A2 |
Methods of combining mineral composition and laboratory test results for reservoir rock samples to predict future responses to secondary and tertiary oil recovery treatments are disclosed. Particular, SEM and EDS will be combined to prod...
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WO/2017/005757A1 |
A security scanning system (1) comprises a first stage module (3) having at least one X-ray source (6) and at least three first detectors (7) that are line-shaped and arranged in mutually different orientations and have at least dual ene...
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WO/2017/008078A2 |
Logging tools include at least one neutron source, at least one neutron detector positioned a prescribed distance from the neutron source, and at least one processing/analyzing unit or subsystem, where the detectors include a gas chamber...
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WO/2017/007242A1 |
The present invention relates to an apparatus and a method for analyzing geophysical logging data using gamma rays, so as to predict lithofacies of strata by analyzing geophysical logging data, for lithofacies across a wide area, on the ...
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WO/2016/210151A1 |
A new method of assessing wettability of a reservoir rock is provided, using a mineral oil/alkane saturated sample first, a crude oil and water saturated sample equivalent to natural reservoir rock second, and a third crude oil saturated...
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WO/2016/209265A1 |
Systems and methods for identifying formation layer boundaries on well log measurements using a second derivative of the last iteratively smoothed well log measurements and a fluctuation index to determine the extent of smoothing.
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WO/2016/205446A1 |
Systems, methods and devices for evaluating an earth formation intersected by a borehole. Method embodiments may include using a downhole tool in the borehole to generate a plurality of signal pulses responsive to detected radiation; usi...
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WO/2016/200473A1 |
A detector apparatus (10) is provided and includes a collector (20) having access to a sample of a gaseous fluid and a tester (40) coupled to and disposed remotely from the collector (20). The tester (40) includes a test chamber (41) int...
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WO/2016/195671A1 |
An example downhole tool comprises a tool body and a light sensor coupled to the tool body. A scintillator may be coupled to the light sensor and comprise a vessel containing a liquid scintillator. A piston may be in fluid communication ...
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WO/2016/188749A1 |
The invention relates to a method for the correction of image errors in a fluoroscopic image (B1, B2, B3) generated by means of an inspection facility (200) that is configured for a continuous transportation of inspection objects (01, 02...
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WO/2016/186623A1 |
A position determination system and a method for position detection within a wellbore are disclosed. A radioactive tag may be disposed within the wellbore. One or more scintillating optical fibers may be longitudinally disposed along a d...
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WO/2016/187495A1 |
In some embodiments, the biologic payload in a shipping or storage container is shielded from the radiated energy of a communications device by a shielding material in the shipping or storage container and/or in the payload container. In...
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WO/2016/179512A1 |
A system for generating eccentering corrected response includes a logging tool configured to examine a material filled in an annular space to generate a tool response. The material is filled in an annular space formed by an outer conduit...
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WO/2016/173610A1 |
A method for determining the concentrations of elements within a geologic formation includes the use of an inversion algorithm that seeks to minimize a cost function (F). The method includes the use of an iterative process 200 that updat...
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WO/2016/171668A1 |
A method for cement evaluation may include generating a gamma ray, from a radioactive source, into cement disposed between a casing and a geological formation. Photons reflected from the geological formation and the cement are detected o...
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WO/2016/169836A1 |
The invention relates to a method for determining the activity of N bodies CEk (k=1, 2, ..., N) provided in a material, from a series of digital pulses capable of characterising an activity of at least one of the N bodies, N being an int...
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WO/2016/167774A1 |
Described herein are neutron generators that employ direct field ionization of ionizable fusion gases, as well as well-logging tools and methods that utilize such neutron generators. In various embodiments, the neutron generator includes...
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WO/2016/165045A1 |
A fixed vehicle safety inspection system comprises a ray source (10), a vehicle tractor and a detector (11). The vehicle tractor comprises a front fork arm (1), a rear fork arm (3), a front fork arm shaft (2), a rear fork arm shaft (4), ...
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WO/2016/164411A1 |
A method of determining the mass of an object by scanning the object in a radiographic inspection system, specifically in an X-ray scanner with the capability to take scan images at a plural number J of energy levels, has three modes or ...
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WO/2016/153518A1 |
A gamma-ray spectrometer calibration system comprises a photomultiplier tube and analysis electronics. The photomultiplier tube provides one or more reference signals that are analyzed relative to a spectrum by the analysis electronics t...
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WO/2016/153514A1 |
A gamma-ray spectrometer calibration system comprises a light guide, a photomultiplier tube, a laser, and analysis electronics. The light guide is optically coupled to the scintillation crystal, the laser and the photomultiplier tube, su...
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WO/2016/153567A1 |
In some embodiments, an apparatus, system, and method may operate to determine the density of drilling fluid associated with photon activity in the drilling fluid using an array of nuclear detectors. Further activity may include determin...
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WO/2016/153520A1 |
A laser photopeak location system comprises a gamma-ray spectrometer and a processor. The processor computes a plurality of correlation coefficients based on a comparison of a pulse-height spectrum of the gamma-ray spectrometer with an a...
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WO/2016/153524A1 |
A downhole tool can include a photon beam source configured to transmit a photon beam into materials lining a wellbore. The materials may comprise fluid, casing, and cement. A photon detector in the tool is configured to count detected p...
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WO/2016/153566A1 |
In some embodiments, methods, apparatus, and systems may operate to determine downhole tool standoff using a nuclear tool and photon activity, and to correct acoustic measurements using the standoff. Additional apparatus and systems, as ...
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WO/2016/153523A1 |
A tool can include an X-ray tomography device to evaluate cement in a downhole environment. The X-ray tomography device includes an X-ray beam source configured to transmit an X-ray beam at a first predetermined angle. The beam angle may...
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WO/2016/148696A1 |
A method and logging tool for evaluating the cement behind casing. In an embodiment, a collimated source emits gamma rays at selectable elevation angles. A fixed collimated detector received reflected gamma rays. Reflected calibration ga...
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WO/2016/146703A1 |
The present invention relates to a non-destructive inspection method (10) for inline inspection of an object, and a related system. The method comprises moving (11) an object in between a radiation source and an image detector and throug...
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