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公开(公告)号：US20180240638A1
公开(公告)日：2018-08-23
申请号：US15956495
申请日：2018-04-18
申请人： Philip Teague
发明人： Philip Teague
摘要： A control mechanism for a high-voltage generator that provides voltage and current to an electronic radiation source in a high-temperature environment is provided, the control mechanism including at least an intermediate enveloping ground plane, and a ground-plane potential monitoring system that provides an input to a control processor that in turn drives the high-voltage generator. A method of controlling a high-voltage generator that powers an electronic radiation source is also provided, the method including at least: measuring an enveloping ground plane potential such that a change in the potential of said enveloping ground plane surrounding the generator is monitored and used to determine the beginning of one or more of a partial discharge and flash-over event.
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32.发明申请公开(公告)号：US20180188411A1
公开(公告)日：2018-07-05
申请号：US15903762
申请日：2018-02-23
申请人： Philip Teague , Alex Stewart
发明人： Philip Teague , Alex Stewart
摘要： An x-ray based evaluation tool for measurement of the density of material volumes within and surrounding un-cased, single, dual and multiple-casing wellbore environments is provided, the tool including at least an internal length comprising a sonde section, wherein said sonde section further comprises an x-ray source; a radiation shield for radiation measuring detectors; and a plurality of sonde-dependent electronics; wherein the tool uses x-rays to illuminate the formation surrounding a borehole, wherein the geometry, movement, and plurality of output source beams is selected by moveable collimated shielded sleeves, and a plurality of detectors are used to directly measure the density of the cement annuli and any variations in density within. Various electromagnetic radiation detectors, shields, and practical internal configurations and subsystems and methods of use thereof are also provided.
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33.发明申请公开(公告)号：US20180180765A1
公开(公告)日：2018-06-28
申请号：US15903155
申请日：2018-02-23
申请人： Philip Teague , Alex Stewart
发明人： Philip Teague , Alex Stewart
摘要： An x-ray based cement evaluation tool for measurement of the density of material volumes within single, dual and multiple-casing wellbore environments is provided, the tool including at least an internal length -comprising a sonde section, wherein said sonde section further comprises an x-ray source; a radiation shield for radiation measuring detectors; sonde-dependent electronics; and a plurality of tool logic electronics and PSUs, wherein the tool uses x-rays to illuminate the formation surrounding a borehole and a plurality of detectors are used to directly measure the density of the cement annuli and any variations in density within. Detectors used to measure casing standoff such that other detector responses are compensated for tool stand-off and centralization; a plurality of reference detectors is used to monitor the output of the x-ray source, and a shortest-axial offset detector is configured to distribute incoming photons into energy classifications such that photoelectric measurements may be made.
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34.发明申请公开(公告)号：US20180120474A1
公开(公告)日：2018-05-03
申请号：US15845554
申请日：2017-12-18
申请人： Philip Teague , Alex Stewart
发明人： Philip Teague , Alex Stewart
CPC分类号： G01V5/108 , G01N15/0806 , G01N15/088 , G01V5/10
摘要： A first example azimuthal neutron porosity tool for imaging formation and cement volumes surrounding a borehole is provided, the tool including at least an internal length comprising a sonde section, wherein said sonde section further comprises one sonde-dependent electronics; a slip-ring and motor section; and a plurality of tool logic electronics and PSUs. An alternative azimuthal neutron porosity tool for imaging formation and cement volumes surrounding a borehole is also provided, the tool including at least a far space detector, a near space detector; and a source located within a moderator shield that rotates around an internal tool axis.
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公开(公告)号：US11542808B2
公开(公告)日：2023-01-03
申请号：US16168280
申请日：2018-10-23
申请人： Philip Teague
发明人： Philip Teague
IPC分类号： G01V5/04 , E21B47/005 , G01N23/203 , G01N9/24 , G01V5/12 , E21B47/002
摘要： An x-ray-based cement evaluation tool for determining whether a cement bond exists between the casing and cement of a cemented borehole is provided, the tool including at least: an internal length comprising a sonde section, wherein said sonde section further comprises an x-ray source; a radiation shield for radiation measuring detectors; arrayed pixelated detectors; sonde-dependent electronics; and a plurality of tool logic electronics and PSUs. A method of using an x-ray-based cement evaluation tool for measuring a cement bond between a casing and the cement of a cemented borehole is also provided, the method including: producing x-ray in a conical beam to illuminate a well casing; measurement of the returning photons as a function of radial and axial offset; remapping the intensity of returning photons to a geometric response within the casing and cement; and determining whether an annulus is present between the casing and cement.
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公开(公告)号：US20220299673A1
公开(公告)日：2022-09-22
申请号：US17837839
申请日：2022-06-10
申请人： Philip Teague , Alex Stewart
发明人： Philip Teague , Alex Stewart
摘要： A measurement compensation mechanism for an electronic radiation source-based borehole logging tool that compensates for geometric variations in the direction output of an x-ray source is provided, the measurement compensation system including: at least one electronic radiation source; at least one radiation shield; at least three reference detectors; and at least one borehole measuring radiation detector. A method of compensating the measurement of an electronic radiation source-based borehole logging tool that compensates for geometric variations in the direction output of an x-ray source is also provided, the method including at least: measuring an azimuthal distribution of radiation intensities equidistant from an electronic radiation source in order to correct a measured radiation value of a borehole-measuring radiation detector relative to the borehole-measuring radiation detector's azimuthal measurement direction.
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公开(公告)号：US20220299669A1
公开(公告)日：2022-09-22
申请号：US17837529
申请日：2022-06-10
申请人： Philip Teague , Alex Stewart
发明人： Philip Teague , Alex Stewart
IPC分类号： G01V1/50 , G01V5/10 , E21B33/14 , G01V5/04 , G01V11/00 , G01V1/44 , E21B47/002 , E21B47/005
摘要： A combining mechanism for borehole logging tool data that employs modality merging to combine the output data of various borehole logging tools to provide a combined result and automated interpretation is provided, said mechanism comprising: at least one mechanism for assigning interpretive values to individual processed data types; at least one mechanism for combining the interpretive value data sets; and, at least one mechanism for providing an interpretation. A method of combining borehole logging tool data that employs modality merging to combine the output data of various borehole logging tools to provide a combined result and automated interpretation is also provided, said method comprising: assigning interpretive values to individual processed data types; combining the interpretive value data sets; and, providing an interpretation.
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38.发明申请公开(公告)号：US20190064386A1
公开(公告)日：2019-02-28
申请号：US16167880
申请日：2018-10-23
申请人： Philip Teague
发明人： Philip Teague
摘要： An x-ray-based reservoir evaluation tool for measurement variations in formation density anticipated at the water-oil interface of a reservoir is provided, the tool including at least: an internal length comprising a sonde section, wherein said sonde section further comprises an x-ray source; radiation measuring detectors; sonde-dependent electronics; and a plurality of tool logic electronics and PSUs. A method of using an x-ray based reservoir evaluation tool for measuring variations in formation density anticipated at the water-oil interface of a reservoir is also provided, the method including at least the following steps: using x-rays to illuminate the formation surrounding the cased borehole; uses detectors to directly measure the density of the formation; using detectors to directly measure the effects on the measurement from tool stand-off or production liner attenuation; and employing techniques for compensating for the production liner and liner-annular region when computing the saturated formation density within the production interval.
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39.发明申请公开(公告)号：US20180239053A1
公开(公告)日：2018-08-23
申请号：US15958536
申请日：2018-04-20
申请人： Philip Teague
发明人： Philip Teague
摘要： A neutron porosity tool having an electronic neutron generator arrangement and a control mechanism used to provide voltage and pulses to an electronic neutron tube is provided, the neutron generator arrangement including: at least one vacuum tube; at least one ion target; at least one radio-frequency cavity; at least one high-voltage generator; at least two neutron detectors; at least one pulser circuit; and at least one control circuit. A method of controlling a neutron porosity tool having an electronic neutron generator arrangement and a control mechanism that provides voltage and pulses to an electronic neutron tube, the method including at least: controlling a bipolar neutron tube to produce two distinct neutron reactions; using a control circuit to modify the output of a pulser circuit; and using a plurality of neutron detectors to determine formation response offsets.
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公开(公告)号：US20180231683A1
公开(公告)日：2018-08-16
申请号：US15951874
申请日：2018-04-12
申请人： Philip Teague , Alex Stewart
发明人： Philip Teague , Alex Stewart
摘要： A downhole segmented radiation detector tool measuring formations surrounding a borehole is provided, the tool including at least a plurality of segments capable of detecting radiation, wherein the segments return to the tool after interacting with material surrounding the tool; and radiation shielding configured to allow radiation directly from a radiation source to pass internally through the downhole tool to a reference segment. A method of measuring formations surrounding a borehole is also provided, the method including at least: lowering a downhole tool into a borehole surrounded by a subterranean formation; detecting a first plurality of X-rays or gamma-rays that return to the downhole tool after interacting with materials surrounding the downhole tool using a first segment of an array segmented radiation detector; and configuring associated radiation shielding to allow radiation directly from a radiation source to pass internally through the downhole tool to the reference segment.
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