BRPI0810794A2 - Determinação de viscosidade a partir da razão média logarítima dos tempos de relaxamento. - Google Patents

Determinação de viscosidade a partir da razão média logarítima dos tempos de relaxamento.

Info

Publication number
BRPI0810794A2
BRPI0810794A2 BRPI0810794-7A2A BRPI0810794A BRPI0810794A2 BR PI0810794 A2 BRPI0810794 A2 BR PI0810794A2 BR PI0810794 A BRPI0810794 A BR PI0810794A BR PI0810794 A2 BRPI0810794 A2 BR PI0810794A2
Authority
BR
Brazil
Prior art keywords
logaritic
viscosity
determination
average relaxation
reason
Prior art date
Application number
BRPI0810794-7A2A
Other languages
English (en)
Inventor
Pedro Romero
Benito E Saavedra
Hyung T Kwak
Gabor Hursan
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 BRPI0810794A2 publication Critical patent/BRPI0810794A2/pt
Publication of BRPI0810794B1 publication Critical patent/BRPI0810794B1/pt

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
    • G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
    • G01R33/561—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution by reduction of the scanning time, i.e. fast acquiring systems, e.g. using echo-planar pulse sequences
    • G01R33/5615—Echo train techniques involving acquiring plural, differently encoded, echo signals after one RF excitation, e.g. using gradient refocusing in echo planar imaging [EPI], RF refocusing in rapid acquisition with relaxation enhancement [RARE] or using both RF and gradient refocusing in gradient and spin echo imaging [GRASE]
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/448—Relaxometry, i.e. quantification of relaxation times or spin density
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Geophysics (AREA)
  • Remote Sensing (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Signal Processing (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
BRPI0810794A 2007-05-01 2008-05-01 método para determinar a viscosidade de um fluido no fundo de poço e meio legível por máquina BRPI0810794B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/742,768 US7511488B2 (en) 2007-05-01 2007-05-01 Viscosity determination from logarithmic mean ratio of relaxation times
PCT/US2008/062171 WO2008134769A1 (en) 2007-05-01 2008-05-01 Viscosity determination from logarithmic mean ratio of relaxation times

Publications (2)

Publication Number Publication Date
BRPI0810794A2 true BRPI0810794A2 (pt) 2014-10-29
BRPI0810794B1 BRPI0810794B1 (pt) 2019-01-08

Family

ID=39628769

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0810794A BRPI0810794B1 (pt) 2007-05-01 2008-05-01 método para determinar a viscosidade de um fluido no fundo de poço e meio legível por máquina

Country Status (5)

Country Link
US (1) US7511488B2 (pt)
BR (1) BRPI0810794B1 (pt)
GB (1) GB2460992B (pt)
NO (1) NO342661B1 (pt)
WO (1) WO2008134769A1 (pt)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7705592B2 (en) * 2008-02-01 2010-04-27 Baker Hughes Incorporated Two dimensional T1/T2APP-T2APP processing of multi-gradient NMR data
CA2638697C (en) * 2008-08-15 2014-11-18 Schlumberger Canada Limited Methods for determining in situ the viscosity of heavy oil using nuclear magnetic resonance relaxation time measurements
US8487620B2 (en) * 2009-06-16 2013-07-16 Neocoil, Llc Modular apparatus for magnetic resonance imaging
US10353104B2 (en) * 2012-03-29 2019-07-16 Baker Hughes, A Ge Company, Llc Carbonate permeability by pore typing
US9285356B2 (en) 2012-09-25 2016-03-15 Halliburton Energy Services, Inc. Determining oil viscosity based on biodegradation
US9678185B2 (en) 2013-03-15 2017-06-13 Pepsico, Inc. Method and apparatus for measuring physico-chemical properties using a nuclear magnetic resonance spectrometer
US10197696B2 (en) 2013-11-15 2019-02-05 Baker Hughes, A Ge Company, Llc NMR logging interpretation of solid invasion
CA2947251A1 (en) * 2014-05-23 2015-11-26 Landmark Graphics Corporation Robust viscosity estimation methods and systems
US10353032B2 (en) 2015-10-27 2019-07-16 Halliburton Energy Services, Inc. Viscosity determination apparatus, systems, and methods

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4710713A (en) * 1986-03-11 1987-12-01 Numar Corporation Nuclear magnetic resonance sensing apparatus and techniques
US5696448A (en) * 1995-06-26 1997-12-09 Numar Corporation NMR system and method for formation evaluation using diffusion and relaxation log measurements
US5712566A (en) * 1996-02-23 1998-01-27 Western Atlas International, Inc. Nuclear magnetic resonance apparatus and method
US6084408A (en) * 1998-02-13 2000-07-04 Western Atlas International, Inc. Methods for acquisition and processing of nuclear magnetic resonance signals for determining fluid properties in petroleum reservoirs having more than one fluid phase
US6229308B1 (en) * 1998-11-19 2001-05-08 Schlumberger Technology Corporation Formation evaluation using magnetic resonance logging measurements
DK1301810T3 (da) * 2000-07-21 2009-01-26 Schlumberger Services Petrol Kernemagnetiske resonansfremgangsmåder til at uddrage information om et fluidum i en klippe
US6859032B2 (en) * 2001-12-18 2005-02-22 Schlumberger Technology Corporation Method for determining molecular properties of hydrocarbon mixtures from NMR data
US6765380B2 (en) * 2002-05-23 2004-07-20 Schlumberger Technology Corporation Determining wettability of an oil reservoir using borehole NMR measurements
US6859033B2 (en) * 2002-08-28 2005-02-22 Schlumberger Technology Corporation Method for magnetic resonance fluid characterization
US7053611B2 (en) * 2004-06-04 2006-05-30 Schlumberger Technology Corporation Method and apparatus for using pulsed field gradient NMR measurements to determine fluid properties in a fluid sampling well logging tool

Also Published As

Publication number Publication date
GB0918588D0 (en) 2009-12-09
US20080272773A1 (en) 2008-11-06
NO20093216L (no) 2010-01-28
US7511488B2 (en) 2009-03-31
NO342661B1 (no) 2018-06-25
GB2460992A (en) 2009-12-23
WO2008134769A1 (en) 2008-11-06
GB2460992B (en) 2012-10-10
BRPI0810794B1 (pt) 2019-01-08

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Legal Events

Date Code Title Description
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 08/01/2019, OBSERVADAS AS CONDICOES LEGAIS.