ATE434197T1 - Methode für eine bohrlochinvariante porösitätsmessung - Google Patents

Methode für eine bohrlochinvariante porösitätsmessung

Info

Publication number
ATE434197T1
ATE434197T1 AT05290213T AT05290213T ATE434197T1 AT E434197 T1 ATE434197 T1 AT E434197T1 AT 05290213 T AT05290213 T AT 05290213T AT 05290213 T AT05290213 T AT 05290213T AT E434197 T1 ATE434197 T1 AT E434197T1
Authority
AT
Austria
Prior art keywords
porosity
far
detector
borehole
detectors
Prior art date
Application number
AT05290213T
Other languages
English (en)
Inventor
Christian Stoller
Francoise Allioli
Original Assignee
Prad Res & Dev Nv
Jocmec
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 Prad Res & Dev Nv, Jocmec filed Critical Prad Res & Dev Nv
Application granted granted Critical
Publication of ATE434197T1 publication Critical patent/ATE434197T1/de

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
    • G01V5/107—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
    • G01V5/104—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 secondary Y-rays as well as reflected or back-scattered neutrons

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)
AT05290213T 2005-01-31 2005-01-31 Methode für eine bohrlochinvariante porösitätsmessung ATE434197T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP05290213A EP1686396B1 (de) 2005-01-31 2005-01-31 Methode für eine bohrlochinvariante Porösitätsmessung

Publications (1)

Publication Number Publication Date
ATE434197T1 true ATE434197T1 (de) 2009-07-15

Family

ID=34941919

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05290213T ATE434197T1 (de) 2005-01-31 2005-01-31 Methode für eine bohrlochinvariante porösitätsmessung

Country Status (4)

Country Link
US (1) US8000899B2 (de)
EP (1) EP1686396B1 (de)
AT (1) ATE434197T1 (de)
DE (1) DE602005014931D1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2442014B (en) 2006-09-19 2011-08-03 Reeves Wireline Tech Ltd A method of acquiring and processing neutron log data, and related apparatuses
US7544929B1 (en) * 2008-05-13 2009-06-09 Precision Energy Services, Inc. Borehole imaging and standoff determination using neutron measurements
US10061055B2 (en) 2008-06-25 2018-08-28 Schlumberger Technology Corporation Absolute elemental concentrations from nuclear spectroscopy
BRPI0921589A2 (pt) * 2008-11-18 2017-06-06 Prad Res & Dev Ltd ferramenta dentro do poço, método, sistema, e dispositivo
EP2391799A2 (de) * 2009-01-30 2011-12-07 Schlumberger Technology B.V. System und verfahren zum anpassen von lithologiereaktionen von bohrlochwerkzeugen mit verschiedenen quellenergien
US20120095687A1 (en) * 2010-04-21 2012-04-19 Baker Hughes Incorporated Method of predicting source rock thermal maturity from log responses
US9372277B2 (en) * 2010-04-21 2016-06-21 Schlumberger Technology Corporation Neutron porosity downhole tool with improved precision and reduced lithology effects
AU2011203206A1 (en) * 2010-07-13 2012-02-02 Schlumberger Technology B.V. Correction for neutron-gamma density measurement
US9360585B2 (en) 2011-05-23 2016-06-07 Schlumberger Technology Corporation Borehole independent neutron porosity measurement
US8481920B2 (en) 2011-07-19 2013-07-09 Baker Hughes Incorporated Apparatus and method for determining formation density from nuclear density measurements made using sensors at more than one location
US9268055B2 (en) 2011-12-30 2016-02-23 Schlumberger Technology Corporation Well-logging apparatus including azimuthally spaced radiation detectors
JP6120623B2 (ja) * 2013-03-15 2017-04-26 オムロンオートモーティブエレクトロニクス株式会社 磁気デバイス
US9753177B2 (en) 2013-11-12 2017-09-05 Baker Hughes Incorporated Standoff specific corrections for density logging

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4423323A (en) * 1981-09-09 1983-12-27 Schlumberger Technology Corporation Neutron logging method and apparatus for determining a formation characteristic free of environmental effects
US5250806A (en) * 1991-03-18 1993-10-05 Schlumberger Technology Corporation Stand-off compensated formation measurements apparatus and method
EP0519675A1 (de) * 1991-06-18 1992-12-23 Halliburton Company Verfahren und Vorrichtung zum Korrigieren der Porösität bei einem Messen während des Bohrens(System)
US5451779A (en) * 1993-12-15 1995-09-19 Baroid Corporation Formation density measurement apparatus and method
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
US5812068A (en) * 1994-12-12 1998-09-22 Baker Hughes Incorporated Drilling system with downhole apparatus for determining parameters of interest and for adjusting drilling direction in response thereto
US5767510A (en) * 1996-04-15 1998-06-16 Schlumberger Technology Corporation Borehole invariant porosity measurement system
US6700115B2 (en) * 2000-05-26 2004-03-02 Precision Drilling Technology Services Group Inc. Standoff compensation for nuclear measurements
US6768106B2 (en) * 2001-09-21 2004-07-27 Schlumberger Technology Corporation Method of kick detection and cuttings bed buildup detection using a drilling tool
US6918293B2 (en) * 2003-04-09 2005-07-19 Halliburton Energy Services, Inc. System and method having radiation intensity measurements with standoff correction
US7112783B2 (en) * 2003-09-08 2006-09-26 Schlumberger Technology Corporation Neutron measurement method for determining porosity of a formation surrounding a borehole

Also Published As

Publication number Publication date
US8000899B2 (en) 2011-08-16
DE602005014931D1 (de) 2009-07-30
EP1686396A1 (de) 2006-08-02
US20070057171A1 (en) 2007-03-15
EP1686396B1 (de) 2009-06-17

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