GB0509219D0 - Time segmented standoff compensation of a second detector from the sorted responses of a first detector - Google Patents

Time segmented standoff compensation of a second detector from the sorted responses of a first detector

Info

Publication number
GB0509219D0
GB0509219D0 GBGB0509219.2A GB0509219A GB0509219D0 GB 0509219 D0 GB0509219 D0 GB 0509219D0 GB 0509219 A GB0509219 A GB 0509219A GB 0509219 D0 GB0509219 D0 GB 0509219D0
Authority
GB
United Kingdom
Prior art keywords
detector
time segmented
sorted
responses
standoff compensation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
GBGB0509219.2A
Other versions
GB2411003B (en
GB2411003A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Precision Energy Services ULC
Original Assignee
Precision Drilling Technology Services Group Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US09/851,635 external-priority patent/US6590202B2/en
Application filed by Precision Drilling Technology Services Group Inc filed Critical Precision Drilling Technology Services Group Inc
Publication of GB0509219D0 publication Critical patent/GB0509219D0/en
Publication of GB2411003A publication Critical patent/GB2411003A/en
Application granted granted Critical
Publication of GB2411003B publication Critical patent/GB2411003B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • G01V5/12—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 gamma or X-ray 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
    • G01V5/12—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 gamma or X-ray sources
    • G01V5/125—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 gamma or X-ray sources and detecting the secondary gamma- or X-rays in different places along the bore hole
    • 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
    • G01V5/14—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 a combination of several sources, e.g. a neutron and a gamma source

Landscapes

  • Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
GB0509219A 2001-05-08 2002-04-19 Standoff compenstation for nuclear measurements Expired - Lifetime GB2411003B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/851,635 US6590202B2 (en) 2000-05-26 2001-05-08 Standoff compensation for nuclear measurements
GB0208943A GB2378244B (en) 2001-05-08 2002-04-19 Standoff compensation for nuclear measurements

Publications (3)

Publication Number Publication Date
GB0509219D0 true GB0509219D0 (en) 2005-06-15
GB2411003A GB2411003A (en) 2005-08-17
GB2411003B GB2411003B (en) 2005-11-16

Family

ID=34701524

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0509219A Expired - Lifetime GB2411003B (en) 2001-05-08 2002-04-19 Standoff compenstation for nuclear measurements

Country Status (1)

Country Link
GB (1) GB2411003B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6918293B2 (en) * 2003-04-09 2005-07-19 Halliburton Energy Services, Inc. System and method having radiation intensity measurements with standoff correction

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5473158A (en) * 1994-01-14 1995-12-05 Schlumberger Technology Corporation Logging while drilling method and apparatus for measuring formation characteristics as a function of angular position within a borehole
US6307199B1 (en) * 1999-05-12 2001-10-23 Schlumberger Technology Corporation Compensation of errors in logging-while-drilling density measurements

Also Published As

Publication number Publication date
GB2411003B (en) 2005-11-16
GB2411003A (en) 2005-08-17

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20200123 AND 20200129

PE20 Patent expired after termination of 20 years

Expiry date: 20220418