GB2183831B - Method and apparatus for determining the porosity of geological formations - Google Patents

Method and apparatus for determining the porosity of geological formations

Info

Publication number
GB2183831B
GB2183831B GB8629072A GB8629072A GB2183831B GB 2183831 B GB2183831 B GB 2183831B GB 8629072 A GB8629072 A GB 8629072A GB 8629072 A GB8629072 A GB 8629072A GB 2183831 B GB2183831 B GB 2183831B
Authority
GB
United Kingdom
Prior art keywords
porosity
determining
geological formations
geological
formations
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
Application number
GB8629072A
Other versions
GB2183831A (en
GB8629072D0 (en
Inventor
John E Fontenot
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.)
NL Industries Inc
Original Assignee
NL Industries 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
Application filed by NL Industries Inc filed Critical NL Industries Inc
Publication of GB8629072D0 publication Critical patent/GB8629072D0/en
Publication of GB2183831A publication Critical patent/GB2183831A/en
Application granted granted Critical
Publication of GB2183831B publication Critical patent/GB2183831B/en
Expired 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
    • G01V5/101—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 the secondary Y-rays produced in the surrounding layers of the bore hole

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)
  • Drilling And Boring (AREA)
GB8629072A 1985-12-10 1986-12-04 Method and apparatus for determining the porosity of geological formations Expired GB2183831B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US80730685A 1985-12-10 1985-12-10

Publications (3)

Publication Number Publication Date
GB8629072D0 GB8629072D0 (en) 1987-01-14
GB2183831A GB2183831A (en) 1987-06-10
GB2183831B true GB2183831B (en) 1989-11-01

Family

ID=25196062

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8629072A Expired GB2183831B (en) 1985-12-10 1986-12-04 Method and apparatus for determining the porosity of geological formations

Country Status (3)

Country Link
CA (1) CA1257405A (en)
GB (1) GB2183831B (en)
NO (1) NO170243C (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4814609A (en) * 1987-03-13 1989-03-21 Schlumberger Technology Corporation Methods and apparatus for safely measuring downhole conditions and formation characteristics while drilling a borehole
US4845359A (en) * 1987-11-24 1989-07-04 Schlumberger Technology Corporation Methods and apparatus for safely handling radioactive sources in measuring-while-drilling tools
US4879463A (en) * 1987-12-14 1989-11-07 Schlumberger Technology Corporation Method and apparatus for subsurface formation evaluation
US5061849A (en) * 1988-04-01 1991-10-29 Baker Hughes Incorporated Externally mounted radioactivity detector for MWD employing radial inline scintillator and photomultiplier tube
GB2221043B (en) * 1988-07-20 1992-08-12 Anadrill Int Sa Method of determining the porosity of an underground formation being drilled
US5242020A (en) * 1990-12-17 1993-09-07 Baker Hughes Incorporated Method for deploying extendable arm for formation evaluation MWD tool
US6167348A (en) * 1999-05-27 2000-12-26 Schlumberger Technology Corporation Method and apparatus for ascertaining a characteristic of a geological formation
EP2348337B1 (en) * 2010-01-14 2014-04-16 Services Pétroliers Schlumberger Corrected porosity measurements of underground formations
RU2537521C2 (en) * 2011-02-28 2015-01-10 Министерство образования и науки РФ Государственное образовательное учреждение высшего профессионального образования "Уральский государственный горный университет" Method of selecting gas hydrate-saturated reservoirs in well logs

Also Published As

Publication number Publication date
NO863820D0 (en) 1986-09-25
NO170243C (en) 1992-09-23
GB2183831A (en) 1987-06-10
GB8629072D0 (en) 1987-01-14
NO170243B (en) 1992-06-15
NO863820L (en) 1987-06-11
CA1257405A (en) 1989-07-11

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19961204