BRPI0921589A2 - ferramenta dentro do poço, método, sistema, e dispositivo - Google Patents

ferramenta dentro do poço, método, sistema, e dispositivo

Info

Publication number
BRPI0921589A2
BRPI0921589A2 BRPI0921589A BRPI0921589A BRPI0921589A2 BR PI0921589 A2 BRPI0921589 A2 BR PI0921589A2 BR PI0921589 A BRPI0921589 A BR PI0921589A BR PI0921589 A BRPI0921589 A BR PI0921589A BR PI0921589 A2 BRPI0921589 A2 BR PI0921589A2
Authority
BR
Brazil
Prior art keywords
pit tool
pit
tool
Prior art date
Application number
BRPI0921589A
Other languages
English (en)
Inventor
L Thornton James
Original Assignee
Prad Res & Dev 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 Prad Res & Dev Ltd filed Critical Prad Res & Dev Ltd
Publication of BRPI0921589A2 publication Critical patent/BRPI0921589A2/pt

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

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)
  • Geophysics And Detection Of Objects (AREA)
  • Measurement Of Radiation (AREA)
BRPI0921589A 2008-11-18 2009-11-17 ferramenta dentro do poço, método, sistema, e dispositivo BRPI0921589A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11575408P 2008-11-18 2008-11-18
PCT/US2009/064812 WO2010059634A2 (en) 2008-11-18 2009-11-17 Systems and methods for neutron porosity determination with reduced lithology error

Publications (1)

Publication Number Publication Date
BRPI0921589A2 true BRPI0921589A2 (pt) 2017-06-06

Family

ID=42198771

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0921589A BRPI0921589A2 (pt) 2008-11-18 2009-11-17 ferramenta dentro do poço, método, sistema, e dispositivo

Country Status (6)

Country Link
US (1) US20110313668A1 (pt)
EP (2) EP2359165B1 (pt)
BR (1) BRPI0921589A2 (pt)
CA (1) CA2743643A1 (pt)
MX (1) MX2011005179A (pt)
WO (1) WO2010059634A2 (pt)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8803078B2 (en) * 2010-05-04 2014-08-12 Schlumberger Technology Corporation Method and apparatus for neutron logging using a position sensitive neutron detector
WO2011146734A2 (en) * 2010-05-19 2011-11-24 Schlumberger Canada Limited Pulse neutron formation gas identification with lwd measurements
JP2014527618A (ja) * 2011-06-26 2014-10-16 シュルンベルジェ ホールディングス リミテッドＳｃｈｌｎｍｂｅｒｇｅｒ Ｈｏｌｄｉｎｇｓ Ｌｉｍｉｔｅｄ 油田用途のためのシンチレータに基づく中性子検出器
US9069095B1 (en) * 2013-12-16 2015-06-30 Schlumberger Technology Corporation Monitoring the output of a radiation generator
CN116696335B (zh) * 2022-03-04 2026-04-07 中国石油化工股份有限公司 实时获取真实地层孔隙度的系统和方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4095102A (en) * 1976-09-30 1978-06-13 Schlumberger Technology Corporation Hydrocarbon detection utilizing neutron borehole measurements
US4475038A (en) * 1982-04-16 1984-10-02 Lochmann Mark J In situ lithology determination
US4760252A (en) * 1983-06-28 1988-07-26 Schlumberger Technology Corporation Well logging tool with an accelerator neutron source
US4631405A (en) * 1984-12-05 1986-12-23 Halliburton Company Method and apparatus for dual-spaced fast/epithermal neutron porosity measurements
US5068531A (en) * 1991-04-04 1991-11-26 Mobil Oil Corporation Method and apparatus for producing a porosity log of a subsurface formation corrected for detector standoff
US6032102A (en) * 1997-07-31 2000-02-29 Schlumberger Technology Corporation Method and apparatus for measuring well characteristics and formation properties
US6438189B1 (en) * 1998-07-09 2002-08-20 Numat, Inc. Pulsed neutron elemental on-line material analyzer
US6894274B2 (en) * 2002-12-11 2005-05-17 Pathfinder Energy Services, Inc. Estimation of formation porosity using water measurement
US7253402B2 (en) * 2003-09-30 2007-08-07 Baker Hughes Incorporated Apparatus and method for determining thermal neutron capture cross section of a subsurface formation from a borehole using multiple detectors
ATE434197T1 (de) * 2005-01-31 2009-07-15 Prad Res & Dev Nv Methode für eine bohrlochinvariante porösitätsmessung

Also Published As

Publication number Publication date
WO2010059634A3 (en) 2011-02-03
EP2359165A2 (en) 2011-08-24
EP2359165B1 (en) 2014-10-29
CA2743643A1 (en) 2010-05-27
US20110313668A1 (en) 2011-12-22
MX2011005179A (es) 2011-05-30
EP2458409A3 (en) 2014-09-10
EP2458409A2 (en) 2012-05-30
WO2010059634A2 (en) 2010-05-27

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]
B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]