Wellbore detector with azimuthal and spectral energy resolution
Abstract
A wellbore inspection device includes a radiation generation source operable to emit neutrons, and a radiation detector fixed relative to the radiation generation source and operable to detect backscattered neutron radiation from a surrounding environment. The radiation detector includes a plurality of individually addressable detector elements arranged in one or more concentric rings. Respective amounts of backscattered neutron radiation detected by the individually addressable detector elements within a ring is indicative of the azimuthal direction of the detected backscattered neutron radiation, and the respective amount of backscattered neutron radiation detected by the individually addressable detector elements of two or more concentric rings is indicative of an energy level of the backscattered neutron radiation. The inspection device determines whether a potential anomaly is present in or around the wellbore, based at least in part on the respective amounts of backscattered radiation detected by the individually addressable detector elements.
- Inventors:
- Issue Date:
- Research Org.:
- GE Energy Oilfield Technology, Inc., Broussard, LA (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1735107
- Patent Number(s):
- 10732317
- Application Number:
- 16/102,221
- Assignee:
- GE Energy Oilfield Technology, Inc. (Broussard, LA)
- Patent Classifications (CPCs):
-
E - FIXED CONSTRUCTIONS E21 - EARTH DRILLING E21B - EARTH DRILLING, e.g. DEEP DRILLING
G - PHYSICS G01 - MEASURING G01V - GEOPHYSICS
- DOE Contract Number:
- FE0024293
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 08/13/2018
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
Citation Formats
Kasten, Ansas Matthias, Ivan, Adrian, and Ross, William Robert. Wellbore detector with azimuthal and spectral energy resolution. United States: N. p., 2020.
Web.
Kasten, Ansas Matthias, Ivan, Adrian, & Ross, William Robert. Wellbore detector with azimuthal and spectral energy resolution. United States.
Kasten, Ansas Matthias, Ivan, Adrian, and Ross, William Robert. Tue .
"Wellbore detector with azimuthal and spectral energy resolution". United States. https://www.osti.gov/servlets/purl/1735107.
@article{osti_1735107,
title = {Wellbore detector with azimuthal and spectral energy resolution},
author = {Kasten, Ansas Matthias and Ivan, Adrian and Ross, William Robert},
abstractNote = {A wellbore inspection device includes a radiation generation source operable to emit neutrons, and a radiation detector fixed relative to the radiation generation source and operable to detect backscattered neutron radiation from a surrounding environment. The radiation detector includes a plurality of individually addressable detector elements arranged in one or more concentric rings. Respective amounts of backscattered neutron radiation detected by the individually addressable detector elements within a ring is indicative of the azimuthal direction of the detected backscattered neutron radiation, and the respective amount of backscattered neutron radiation detected by the individually addressable detector elements of two or more concentric rings is indicative of an energy level of the backscattered neutron radiation. The inspection device determines whether a potential anomaly is present in or around the wellbore, based at least in part on the respective amounts of backscattered radiation detected by the individually addressable detector elements.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Aug 04 00:00:00 EDT 2020},
month = {Tue Aug 04 00:00:00 EDT 2020}
}
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