AT525823A3 - Vorrichtung und Verfahren zur helikalen Borlochkartierung - Google Patents

Vorrichtung und Verfahren zur helikalen Borlochkartierung Download PDF

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Publication number
AT525823A3
AT525823A3 ATA35/2022A AT352022A AT525823A3 AT 525823 A3 AT525823 A3 AT 525823A3 AT 352022 A AT352022 A AT 352022A AT 525823 A3 AT525823 A3 AT 525823A3
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AT
Austria
Prior art keywords
neutron
arrangement
casing
helical
hexagonal
Prior art date
Application number
ATA35/2022A
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English (en)
Other versions
AT525823A2 (de
AT525823B1 (de
Inventor
Pochman Dr Werner
Melber Mag Dr Karl
Pochman Dipl Ing Richard
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Pochman Dr Werner
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Priority to ATA35/2022A priority Critical patent/AT525823B1/de
Publication of AT525823A2 publication Critical patent/AT525823A2/de
Publication of AT525823A3 publication Critical patent/AT525823A3/de
Application granted granted Critical
Publication of AT525823B1 publication Critical patent/AT525823B1/de

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V5/00—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity
    • G01V5/04—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity specially adapted for well-logging
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/005—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by using neutrons
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/20—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by using diffraction of the radiation by the materials, e.g. for investigating crystal structure; by using scattering of the radiation by the materials, e.g. for investigating non-crystalline materials; by using reflection of the radiation by the materials
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/20—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by using diffraction of the radiation by the materials, e.g. for investigating crystal structure; by using scattering of the radiation by the materials, e.g. for investigating non-crystalline materials; by using reflection of the radiation by the materials
    • G01N23/203—Measuring back scattering
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/20—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by using diffraction of the radiation by the materials, e.g. for investigating crystal structure; by using scattering of the radiation by the materials, e.g. for investigating non-crystalline materials; by using reflection of the radiation by the materials
    • G01N23/203—Measuring back scattering
    • G01N23/204—Measuring back scattering using neutrons
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V5/00—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity
    • G01V5/04—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity specially adapted for well-logging
    • G01V5/08—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity specially adapted for well-logging using primary nuclear radiation sources or X-rays
    • G01V5/10—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity specially adapted for well-logging using primary nuclear radiation sources or X-rays using neutron sources
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V5/00—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity
    • G01V5/04—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity specially adapted for well-logging
    • G01V5/08—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity specially adapted for well-logging using primary nuclear radiation sources or X-rays
    • G01V5/10—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity specially adapted for well-logging using primary nuclear radiation sources or X-rays using neutron sources
    • G01V5/107—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity specially adapted for well-logging using primary nuclear radiation sources or X-rays using neutron sources and detecting reflected or back-scattered neutrons
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V5/00—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity
    • G01V5/04—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity specially adapted for well-logging
    • G01V5/08—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity specially adapted for well-logging using primary nuclear radiation sources or X-rays
    • G01V5/10—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity specially adapted for well-logging using primary nuclear radiation sources or X-rays using neutron sources
    • G01V5/107—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity specially adapted for well-logging using primary nuclear radiation sources or X-rays using neutron sources and detecting reflected or back-scattered neutrons
    • G01V5/108—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity specially adapted for well-logging using primary nuclear radiation sources or X-rays using neutron sources and detecting reflected or back-scattered neutrons the neutron source being of the pulsed type

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  • Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Immunology (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geophysics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)

Abstract

Die Vorrichtung zur helikalen Bohrlochkartierung besteht aus einer Anordnung von Neutronenquellen, Neutronenzählrohr und Neutronen-Sechseck-Kollimator, welche innerhalb der Bohrlochverrohrung (casing) in eine helikale Bewegung versetzt wird. Dadurch kann eine kontinuierliche Feststellung der Homogenität der Betonummantelung des Casings erreicht werden. Gemessen werden die durch den im Beton vorhandenen Wasserstoff rückgestreuten Neutronen. Um schräg rückgestreute Neutronen von der Erfassung auszublenden, ist dem Zählrohr ein wabenförmiger Neutronen-Sechseck-Kollimator vorgesetzt. Die Steuerung der in die Casings eintauchenden Anordnung erfolgt durch eine dafür entworfene Elektronik, unter Zuhilfenahme von FOGs, um eine absolute Azimutinformation zu erhalten. Die Auswertung der Messung (Neutronenlog) erfolgt an der Erdoberfläche in Echtzeit. Eine Kühlung der Anordnung sorgt für eine reibungslose Funktion auch bei größeren Tiefen und somit höheren Temperaturen. Der modulare Aufbau der Anordnung gewährleistet einen Einsatz in verschiedenen Rohrdurchmessern, sowie eine rasche An- und Abkoppelung der Neutronenquellen, in Hinblick auf den Strahlenschutz.
ATA35/2022A 2022-02-07 2022-02-07 Vorrichtung und Verfahren zur helikalen Bohrlochkartierung AT525823B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ATA35/2022A AT525823B1 (de) 2022-02-07 2022-02-07 Vorrichtung und Verfahren zur helikalen Bohrlochkartierung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ATA35/2022A AT525823B1 (de) 2022-02-07 2022-02-07 Vorrichtung und Verfahren zur helikalen Bohrlochkartierung

Publications (3)

Publication Number Publication Date
AT525823A2 AT525823A2 (de) 2023-08-15
AT525823A3 true AT525823A3 (de) 2025-02-15
AT525823B1 AT525823B1 (de) 2026-01-15

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Family Applications (1)

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ATA35/2022A AT525823B1 (de) 2022-02-07 2022-02-07 Vorrichtung und Verfahren zur helikalen Bohrlochkartierung

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2396908A (en) * 2002-12-30 2004-07-07 Schlumberger Holdings Formation evaluation through azimuthal measurements
US20110238313A1 (en) * 2010-03-23 2011-09-29 James Thornton System and method for correction of borehole effects in a neutron porosity measurement
CN102966343A (zh) * 2011-07-28 2013-03-13 桑德克斯有线有限公司 具有半导体中子检测池的中子孔隙度测量装置和方法
WO2019033107A1 (en) * 2017-08-11 2019-02-14 Ge Energy Oilfield Technology, Inc. MULTI-BARRIER DRILLING WELL INTEGRITY INSPECTION SYSTEM WITH CORRECTION OF EXCENTRICITY
US20200109622A1 (en) * 2018-10-05 2020-04-09 Baker Hughes Oilfield Operations Llc Systems and methods for downhole logging with enhanced sensitivity and azimuthal resolution

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2396908A (en) * 2002-12-30 2004-07-07 Schlumberger Holdings Formation evaluation through azimuthal measurements
US20110238313A1 (en) * 2010-03-23 2011-09-29 James Thornton System and method for correction of borehole effects in a neutron porosity measurement
CN102966343A (zh) * 2011-07-28 2013-03-13 桑德克斯有线有限公司 具有半导体中子检测池的中子孔隙度测量装置和方法
WO2019033107A1 (en) * 2017-08-11 2019-02-14 Ge Energy Oilfield Technology, Inc. MULTI-BARRIER DRILLING WELL INTEGRITY INSPECTION SYSTEM WITH CORRECTION OF EXCENTRICITY
US20200109622A1 (en) * 2018-10-05 2020-04-09 Baker Hughes Oilfield Operations Llc Systems and methods for downhole logging with enhanced sensitivity and azimuthal resolution

Also Published As

Publication number Publication date
AT525823A2 (de) 2023-08-15
AT525823B1 (de) 2026-01-15

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