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WO/2012/108886A1 |
A method of using spectroscopic envelopes for determining components in a sample may include selecting spectroscopic envelopes and passing input light through a sample comprising at least one absorbing component is provided. The method i...
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WO/2012/105937A1 |
A neutron generator comprises a cylindrical housing having a target rod concentrically located along a central axis of the cylindrical housing. An array of field ionization nanotips is positioned around an inner surface of the housing, w...
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WO/2012/096874A2 |
Devices, methods and related systems are described for measuring a property of a fluid including density in a subterranean environment. A device includes a pressure housing having one or more window formed in the pressure housing, and a ...
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WO/2012/095357A1 |
The invention relates to a method for detecting nuclear material in an examined object by means of neutron interrogation with a related particle tube, the method including the steps of: detecting coinciding pulses by means of detector pi...
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WO/2012/085106A1 |
The present invention relates to a logging tool for logging formational changes in a borehole, the logging tool having a longitudinal axis. The logging tool comprises a radiating source (5) for emitting an interaction signal, a detector ...
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WO/2012/083210A2 |
A method of formation evaluation using a pulsed neutron tool. The approach removes the effect of formation hydrogen index (HI) from the nuclear response of the tool. It can be used for gas detection and quantification, as well as for oth...
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WO/2012/078942A2 |
Disclosed is a model-independent method for accurate prediction of formation and borehole properties from neutron capture cross section measurements. A mapping function is constructed which maps the input measurements to the properties o...
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WO/2012/078538A1 |
An apparatus for inspection in situ of a wellbore casing and a pipeline from inside the wellbore or pipeline. The apparatus includes a penetrating radiation source such as x-rays, a rotatable beam collimator adapted to collimate the pene...
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WO/2012/072103A1 |
A method for correctly identifying at least one source, in particular at least one nuclide, enclosed in a human body and/or a container, is provided, the method comprising the following steps: detecting and measuring the at least one sou...
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WO/2012/073043A2 |
Embodiments of the present invention provideamethod of providing image data for constructing an image of a region of a target object, comprising providing incident radiation from a radiation source at a target object;detecting, by at lea...
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WO/2012/070763A1 |
The present invention relates to a computed tomography device for mineral-resource core analysis. More specifically, provided is a computed tomography device for mineral-resource core analysis, which allows computed tomography devices to...
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WO/2012/067954A2 |
A neutron detecting device using a neutron-reactive material as the source of charged particles to feed conventional dynode-based electron multiplier which not gas-filled (i.e., with 3He). The detector comprises a neutron-reacting materi...
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WO/2012/068057A2 |
A method and apparatus for obtaining neutron images of a rock formation are provided. The neutron images can be obtained from a tool which need not rotate to obtain neutron data from a plurality of azimuthal orientations.
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WO/2012/064406A2 |
In some aspects of the invention, a computer-implemented method of obtaining sigma values from pulsed neutron capture decay curve is disclosed. The method can include selecting spectra collected by pulsed neutron instrument disposed down...
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WO/2012/064797A2 |
Systems, methods, and devices for determining neutron-gamma density (NGD) measurement of a subterranean formation that is accurate in both liquid- and gas-filled formations are provided. For example, a downhole tool for obtaining such an...
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WO/2012/060974A2 |
NMR porosity measurements made in a gas free-formation are used to calibrate acoustic measurements. The calibration parameters are then used in conjunction with estimates of shale content to provide improved estimates of formation porosi...
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WO/2012/058569A2 |
A scintillator type radiation detector package is provided including a scintillation crystal directly coupled to the window of a photomultiplier. A scintillator package is also provided having a longer life at wellbore temperature with m...
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WO/2012/058564A2 |
Systems, methods, and devices involving segmented radiation detectors are provided. For example, a segmented radiation detector may include a segmented scintillator and an optical-to-electrical converter. The segmented scintillator may h...
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WO/2012/058440A1 |
Disclosed is an apparatus configured to detect radiation at high temperatures in a borehole penetrating the earth. The apparatus includes a scintillation material that interacts with the radiation to generate photons, at least one solid-...
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WO/2012/057779A1 |
One or more systems and/or techniques are provided to identify and/or classify objects of interest 604 (e.g., potential granular objects) from a radiographic examination of the object 110. Image data 156 of the object is transformed usin...
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WO/2012/058207A2 |
Apparatus for interrupting and/or scanning a beam of penetrating radiation, such as for purposes of inspecting contents of a container. A source, such as an x-ray tube, generates a fan beam of radiation effectively emanating from a sourc...
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WO/2012/058579A2 |
The disclosure includes an arrangement of X-ray generator(s) (210), X-ray detector(s) (214), and/or X-ray calibration device(s) for performing X-ray measurements, such as attenuation and/or photo electric factor measurements, on formatio...
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WO/2012/054146A2 |
Disclosed is a method for detecting a pair of opposing breakouts in a borehole penetrating an earth formation. The method includes: conveying a downhole tool configured to perform measurements of a property of the earth formation; produc...
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WO/2012/054381A1 |
Methods and systems for x-ray inspection of an object using pulses whose spectral composition varies during the course of each pulse. A temporal sequence of pulses of penetrating radiation is generated, each pulse characterized by an ons...
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WO/2012/050725A2 |
Systems, methods, and devices relating to a sourceless X-ray downhole tool are provided. By way of example, such a downhole tool may include an X-ray generator, an X-ray detector, and data processing circuitry. The X-ray generator may em...
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WO/2012/049571A2 |
The present invention provides system, devices, and methods for scanning an object while avoiding radiation exposure. For example, the present invention provides systems comprising a scanning device with input and output openings, and a ...
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WO/2012/050742A1 |
A scanning system and methods for inspecting contents of a container. High-energy penetrating radiation collimated into a fan beam illuminates an inspected container from one side, while a plurality of detector plates are disposed on the...
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WO/2012/051184A2 |
A method, apparatus and computer-readable medium for estimating sand production from an earth formation is disclosed. A grain-scale formation model of the earth formation is created, wherein a value obtained from the grain-scale formatio...
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WO/2012/047709A2 |
Proppant placed in a subterranean fracture zone is detected with a spectral identification method in which capture gamma ray spectra are obtained during a logging run carried out with a logging tool having a neutron emitting source and a...
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WO/2012/044296A1 |
One or more systems and/or techniques are provided to identify objects comprised in a compound object without segmenting three- dimensional image data (156) of the potential compound object. Two- dimensional projections (350) of a potent...
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WO/2012/036784A1 |
A system and computer-implemented method for characterizing hydrocarbon gas net pay zones in a subterranean reservoir including determining a sweet zone indicator from well log data, determining rock properties from well log data, and id...
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WO/2012/037188A1 |
Nano-particles that possess either selective fluid phase blocks or modify the relative permeability of an earth formation to different fluids are used to inhibit the invasion of borehole mud into the formation. This makes it possible to ...
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WO/2012/032108A1 |
A method and a system for transferring a person and the persons carry-on items from a site upstream of a security check point to a site downstream of the security check point comprises loading the persons carry-on items onto a trolley at...
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WO/2012/033684A2 |
Resistivity images obtained by an imaging device in a borehole having oil- based mud may be of poor quality due to standoff variations, leakage currents and random noise. By processing the data using steps including median filtering, ent...
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WO/2012/031179A1 |
[0050] The present disclosure relates to borehole logging methods and apparatuses for estimating formation properties using nuclear radiation, particularly an apparatus and method for estimating amounts of silicon and/or oxygen in the fo...
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WO/2012/027106A2 |
A method for determining a bulk formation density using a neutron generator includes detected secondary gamma rays and evaluating the detected gamma rays according to predetermined selection criteria. Selected gamma rays are then used to...
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WO/2012/026921A1 |
Determining elemental content of an earth formation. At least some of the illustrative embodiments are methods including: irradiating a portion of a formation that surrounds a borehole; counting gammas to obtain a spectrum of counted gam...
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WO/2012/024359A2 |
A tool comprising a tool body having an opening defined by interior walls extending into the tool body and a casing disposed within the opening. The tool further includes a scintillator material disposed within the casing and a first com...
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WO/2012/024008A1 |
A full bore spectral gas holdup tool that measures gas holdup that is corrected for effects of the flowstream lamination and the salinity of the liquid in the a flowstream. The basic methodology utilizes spectral data from two gamma ray ...
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WO/2012/012120A2 |
The present disclosure is intended to overcome the problem of hydrogen contamination of the density signal. The approach is to compute the neutron capture portion of the total gamma ray counts and subtract it from the total counts result...
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WO/2012/011898A1 |
Determining a parameter associated with a formation corrected for neutrons produced. At least some of the illustrative embodiments are methods including: disposing a logging tool within a borehole, the borehole penetrates a formation; pr...
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WO/2012/007077A2 |
Prior art systems for screening carry-on baggage and other items carried by individuals comprise: a screening device (1), especially an X-ray screening device, a conveyor (2) for conveying the items to be screened through the screening d...
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WO/2012/009176A2 |
Pulse sequences are applied to a fluid in an earth formation in a static magnetic field and NMR spin echo signals are obtained. The signals are processed to give a distribution of a relaxation time at a plurality of depths. Semblance bet...
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WO/2012/000590A1 |
The radiation tunnel (2) of an X-ray test device is shielded in a known manner by means of a radiation protection curtain (8) in order that no impermissible radiation emerges. According to the invention, the radiation protection curtain ...
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WO/2012/000993A1 |
A calibration method is disclosed, for a device for identifying materials using X-rays, including: a) determining at least one calibration material and, for each calibration material, at least one calibration thickness of this material, ...
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WO/2011/163602A2 |
A system and method collects at least one measurement within a borehole formed in a formation. The system and method provides a drill collar made of a non-conductive or substantially non-conductive composite material positioned within th...
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WO/2011/160690A1 |
A method for obtaining information about an unknown neutron source (11) or an unknown material interacting with a known neutron source comprises the steps of: (a) providing a radiation detector (14) capable of delivering a neutron energy...
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WO/2011/152924A2 |
The invention relates to techniques, such as a system for generating a density of a cased wellbore. The system includes at least one downhole tool deployable into the cased wellbore, a radiation source supportable by the downhole tool fo...
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WO/2011/152892A2 |
Apparatus for scanning large cargo to detect concealed contents include a mobile platform configured to carry and position at least one X-ray or gamma-ray source and at least one detector array at a plurality of positions with respect to...
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WO/2011/149707A2 |
A detector and methods for producing x-ray images, more particularly based on x-rays transmitted through an inspected object. A scintillating region is translated along a path within a cross section of a beam, the cross section taken in ...
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