GB2436037A - Fast T1 measurement of an earth formation by using driven equilibrium - Google Patents

Fast T1 measurement of an earth formation by using driven equilibrium

Info

Publication number
GB2436037A
GB2436037A GB0711757A GB0711757A GB2436037A GB 2436037 A GB2436037 A GB 2436037A GB 0711757 A GB0711757 A GB 0711757A GB 0711757 A GB0711757 A GB 0711757A GB 2436037 A GB2436037 A GB 2436037A
Authority
GB
United Kingdom
Prior art keywords
earth formation
fast
measurement
driven equilibrium
relaxation time
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.)
Withdrawn
Application number
GB0711757A
Other versions
GB0711757D0 (en
Inventor
Martin Blanz
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.)
Baker Hughes Holdings LLC
Original Assignee
Baker Hughes 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 Baker Hughes Inc filed Critical Baker Hughes Inc
Publication of GB0711757D0 publication Critical patent/GB0711757D0/en
Publication of GB2436037A publication Critical patent/GB2436037A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/18—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging
    • G01V3/32—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging operating with electron or nuclear magnetic resonance
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N24/00—Investigating or analyzing materials by the use of nuclear magnetic resonance, electron paramagnetic resonance or other spin effects
    • G01N24/08—Investigating or analyzing materials by the use of nuclear magnetic resonance, electron paramagnetic resonance or other spin effects by using nuclear magnetic resonance
    • G01N24/081—Making measurements of geologic samples, e.g. measurements of moisture, pH, porosity, permeability, tortuosity or viscosity

Landscapes

  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Remote Sensing (AREA)
  • Geophysics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)

Abstract

An amplitude of an echo signal in a driven equilibrium (DE) pulse group is used for determination of a longitudinal relaxation time T1 of an earth formation. DE pulse groups followed by a CPMG sequence can be used for estimating both T1 and a transverse relaxation time T2 within one fast measurement.
GB0711757A 2004-11-22 2007-06-18 Fast T1 measurement of an earth formation by using driven equilibrium Withdrawn GB2436037A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US62996704P 2004-11-22 2004-11-22
PCT/US2005/042328 WO2006058005A1 (en) 2004-11-22 2005-11-19 Fast t1 measurement of an earth formation by using driven equilibrium

Publications (2)

Publication Number Publication Date
GB0711757D0 GB0711757D0 (en) 2007-07-25
GB2436037A true GB2436037A (en) 2007-09-12

Family

ID=36010907

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0711757A Withdrawn GB2436037A (en) 2004-11-22 2007-06-18 Fast T1 measurement of an earth formation by using driven equilibrium

Country Status (4)

Country Link
CA (1) CA2587896A1 (en)
GB (1) GB2436037A (en)
NO (1) NO20072657L (en)
WO (1) WO2006058005A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102330548B (en) * 2011-08-08 2014-06-18 中国石油大学(北京) Method for obtaining NMR (nuclear magnetic resonance) echo strings for ringing elimination
CN112710688B (en) * 2019-10-24 2023-08-22 中国石油天然气股份有限公司 Nuclear magnetic resonance longitudinal relaxation acquisition method and system

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5023551A (en) * 1986-08-27 1991-06-11 Schlumberger-Doll Research Nuclear magnetic resonance pulse sequences for use with borehole logging tools
WO2002008795A2 (en) * 2000-07-21 2002-01-31 Services Petroliers Schlumberger Nuclear magnetic resonance measurements and methods of analyzing nuclear magnetic resonance data
US6392409B1 (en) * 2000-01-14 2002-05-21 Baker Hughes Incorporated Determination of T1 relaxation time from multiple wait time NMR logs acquired in the same or different logging passes
US6466013B1 (en) * 1999-04-19 2002-10-15 Baker Hughes Incorporated Nuclear magnetic resonance measurements in well logging using an optimized rephasing pulse sequence
WO2002099462A2 (en) * 2001-06-05 2002-12-12 Halliburton Energy Services, Inc. System and methods for formation evaluation while drilling

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5023551A (en) * 1986-08-27 1991-06-11 Schlumberger-Doll Research Nuclear magnetic resonance pulse sequences for use with borehole logging tools
US6466013B1 (en) * 1999-04-19 2002-10-15 Baker Hughes Incorporated Nuclear magnetic resonance measurements in well logging using an optimized rephasing pulse sequence
US6392409B1 (en) * 2000-01-14 2002-05-21 Baker Hughes Incorporated Determination of T1 relaxation time from multiple wait time NMR logs acquired in the same or different logging passes
WO2002008795A2 (en) * 2000-07-21 2002-01-31 Services Petroliers Schlumberger Nuclear magnetic resonance measurements and methods of analyzing nuclear magnetic resonance data
WO2002099462A2 (en) * 2001-06-05 2002-12-12 Halliburton Energy Services, Inc. System and methods for formation evaluation while drilling

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
EDZES H T: "An analysis of the use of pulse multiplets in the single scan determination of spin-lattice pelaxation rates", Journal of Magnetic Resonance USA, vol. 17, no. 3, 1975, pp 301-313, XP009063801 ISSN: 0022-2364 *
Hurlimann et al.: "Quantitative Measurement of Two-Dimensional Distribution Functions of Diffusion and Relaxation in Grossly INhomogeneous Fields", Journal of Magnetic Resonance, vol. 157, no. 1, 2002, pp31-42, XP004408045, ISSN: 1090-7807 *

Also Published As

Publication number Publication date
NO20072657L (en) 2007-08-20
WO2006058005A1 (en) 2006-06-01
WO2006058005B1 (en) 2006-08-03
GB0711757D0 (en) 2007-07-25
CA2587896A1 (en) 2006-06-01

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)