GB2377490B - Welllbore caliper measurement method using measurements from a gamma-gamma density instrument - Google Patents

Welllbore caliper measurement method using measurements from a gamma-gamma density instrument

Info

Publication number
GB2377490B
GB2377490B GB0208767A GB0208767A GB2377490B GB 2377490 B GB2377490 B GB 2377490B GB 0208767 A GB0208767 A GB 0208767A GB 0208767 A GB0208767 A GB 0208767A GB 2377490 B GB2377490 B GB 2377490B
Authority
GB
United Kingdom
Prior art keywords
gamma
welllbore
measurements
measurement method
caliper measurement
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.)
Expired - Fee Related
Application number
GB0208767A
Other versions
GB0208767D0 (en
GB2377490A (en
Inventor
Darwin V Ellis
Mohammed Doghmi
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.)
Schlumberger Holdings Ltd
Original Assignee
Schlumberger Holdings Ltd
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
Application filed by Schlumberger Holdings Ltd filed Critical Schlumberger Holdings Ltd
Publication of GB0208767D0 publication Critical patent/GB0208767D0/en
Publication of GB2377490A publication Critical patent/GB2377490A/en
Application granted granted Critical
Publication of GB2377490B publication Critical patent/GB2377490B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01V5/12—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

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)
GB0208767A 2001-05-02 2002-04-17 Welllbore caliper measurement method using measurements from a gamma-gamma density instrument Expired - Fee Related GB2377490B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US9847501A 2001-05-02 2001-05-02

Publications (3)

Publication Number Publication Date
GB0208767D0 GB0208767D0 (en) 2002-05-29
GB2377490A GB2377490A (en) 2003-01-15
GB2377490B true GB2377490B (en) 2003-12-17

Family

ID=22269439

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0208767A Expired - Fee Related GB2377490B (en) 2001-05-02 2002-04-17 Welllbore caliper measurement method using measurements from a gamma-gamma density instrument

Country Status (1)

Country Link
GB (1) GB2377490B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009070049A1 (en) * 2007-11-30 2009-06-04 Schlumberger Holdings Limited Well gamma-logging method (variants)
US9035237B2 (en) * 2011-12-21 2015-05-19 Schlumberger Technology Corporation Systems and methods using tunable differential gravimeter
CN113482596B (en) * 2021-08-11 2023-09-15 江苏达坦智慧能源有限公司 Real-time three-dimensional gamma imaging data processing method based on LWD while-drilling instrument

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2136562A (en) * 1983-03-11 1984-09-19 Nl Industries Inc Formation density logging while drilling
EP0663511A2 (en) * 1994-01-14 1995-07-19 Services Petroliers Schlumberger Logging while drilling method and apparatus for measuring formation characteristics as a function of angular position within a borehole
GB2349947A (en) * 1999-05-12 2000-11-15 Schlumberger Holdings Compensating for geometric formation effects in bore hole loggng

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2136562A (en) * 1983-03-11 1984-09-19 Nl Industries Inc Formation density logging while drilling
EP0663511A2 (en) * 1994-01-14 1995-07-19 Services Petroliers Schlumberger Logging while drilling method and apparatus for measuring formation characteristics as a function of angular position within a borehole
GB2349947A (en) * 1999-05-12 2000-11-15 Schlumberger Holdings Compensating for geometric formation effects in bore hole loggng

Also Published As

Publication number Publication date
GB0208767D0 (en) 2002-05-29
GB2377490A (en) 2003-01-15

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20170417