NO973395L - Tetthetssensor for geologiske formasjoner med et detektorarray og fremgangsmåte for å beregne bulk tetthet med korreksjon - Google Patents

Tetthetssensor for geologiske formasjoner med et detektorarray og fremgangsmåte for å beregne bulk tetthet med korreksjon

Info

Publication number
NO973395L
NO973395L NO973395A NO973395A NO973395L NO 973395 L NO973395 L NO 973395L NO 973395 A NO973395 A NO 973395A NO 973395 A NO973395 A NO 973395A NO 973395 L NO973395 L NO 973395L
Authority
NO
Norway
Prior art keywords
correction
detector array
density
geological formations
bulk density
Prior art date
Application number
NO973395A
Other languages
English (en)
Other versions
NO973395D0 (no
Inventor
Medhat W Mickael
Gary L Mathis
Original Assignee
Western Atlas Int 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 Western Atlas Int Inc filed Critical Western Atlas Int Inc
Publication of NO973395D0 publication Critical patent/NO973395D0/no
Publication of NO973395L publication Critical patent/NO973395L/no

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)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Measurement Of Radiation (AREA)
NO973395A 1996-08-19 1997-07-23 Tetthetssensor for geologiske formasjoner med et detektorarray og fremgangsmåte for å beregne bulk tetthet med korreksjon NO973395L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/698,438 US5659169A (en) 1996-08-19 1996-08-19 Formation density sensor having detector array and method of calculating bulk density and correction

Publications (2)

Publication Number Publication Date
NO973395D0 NO973395D0 (no) 1997-07-23
NO973395L true NO973395L (no) 1998-02-20

Family

ID=24805244

Family Applications (1)

Application Number Title Priority Date Filing Date
NO973395A NO973395L (no) 1996-08-19 1997-07-23 Tetthetssensor for geologiske formasjoner med et detektorarray og fremgangsmåte for å beregne bulk tetthet med korreksjon

Country Status (5)

Country Link
US (1) US5659169A (no)
CA (1) CA2212018C (no)
GB (1) GB2316481B (no)
ID (1) ID18051A (no)
NO (1) NO973395L (no)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5841135A (en) * 1997-02-19 1998-11-24 Schlumberger Technology Corporation Method and apparatus for measuring formation density and the formation photo-electric factor with a multi-detector gamma-gamma tool
US5912460A (en) * 1997-03-06 1999-06-15 Schlumberger Technology Corporation Method for determining formation density and formation photo-electric factor with a multi-detector-gamma-ray tool
US5847384A (en) * 1997-04-11 1998-12-08 Western Atlas International, Inc. Method for determining irregularities in a wellbore wall using a gamma-gamma well logging instrument
US6738720B2 (en) * 2001-11-29 2004-05-18 Computalog U.S.A. Apparatus and methods for measurement of density of materials using a neutron source and two spectrometers
US7036793B2 (en) 2002-07-31 2006-05-02 Brass-Craft Manufacturing Company Stop valve
GB2414544C (en) * 2004-05-28 2010-03-22 Reeves Wireline Tech Ltd A method of compensating a density log
US7151254B2 (en) * 2004-11-16 2006-12-19 Precision Drilling Technology Services Group, Inc. Logging tool with response invariant to changes in borehole pressure
US7339161B2 (en) * 2005-02-24 2008-03-04 Schlumberger Technology Corporation Shielded pads for detecting subsurface radiation phenomena
US7446308B2 (en) * 2005-12-22 2008-11-04 Baker Hughes Incorporated Method of calibrating multi-channel nuclear energy spectra
US7566867B2 (en) * 2006-06-14 2009-07-28 Baker Hughes Incorporated Apparatus and method for detecting gamma ray radiation
US7694558B2 (en) * 2008-02-11 2010-04-13 Baker Hughes Incorporated Downhole washout detection system and method
MX2010006102A (es) 2008-08-26 2010-07-02 Halliburton Energy Serv Inc Metodo y sistema de procesamiento de curvas de decrecimiento de velocidad de conteo gamma usando redes neuronales.
WO2010123494A1 (en) * 2009-04-21 2010-10-28 Halliburton Energy Services, Inc. System and method of predicting gas saturation of a formation using neural networks
US8583377B2 (en) * 2011-10-26 2013-11-12 Halliburton Energy Services, Inc. Methods and systems of formation density measurements in the presence of invasion of drilling fluids
US9778393B2 (en) * 2014-05-05 2017-10-03 Vale S.A. Method and system for density correction for geophysical well logging inside drilling rods
US10386533B2 (en) * 2015-03-26 2019-08-20 Halliburton Energy Services, Inc. Downhole tool apparatus, system, and methods
US11940591B2 (en) * 2020-08-07 2024-03-26 Nabors Drilling Technologies Usa, Inc. Gamma ray logging tool with detector window

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2298680A1 (fr) * 1975-01-24 1976-08-20 Schlumberger Prospection Procede et dispositif pour mesurer la densite des formations traversees par un forage
US5390115A (en) * 1993-05-10 1995-02-14 Schlumberger Technology Corporation Compensated gamma-gamma density sonde using three detectors
US5627368A (en) * 1995-07-05 1997-05-06 Gas Research Institute Four-detector formation-density tool for use in cased and open holes
US5530243A (en) * 1995-08-30 1996-06-25 Western Atlas International, Inc. Formation density well logging tool with detector array for compensation of wellbore roughness and tool tilt
US5841135A (en) * 1997-02-19 1998-11-24 Schlumberger Technology Corporation Method and apparatus for measuring formation density and the formation photo-electric factor with a multi-detector gamma-gamma tool

Also Published As

Publication number Publication date
ID18051A (id) 1998-02-26
GB2316481B (en) 2001-01-10
GB9716669D0 (en) 1997-10-15
US5659169A (en) 1997-08-19
CA2212018A1 (en) 1998-02-19
NO973395D0 (no) 1997-07-23
CA2212018C (en) 2003-02-18
GB2316481A (en) 1998-02-25

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Legal Events

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