WO2009108876A3 - Acoustic modified nmr (amnmr) - Google Patents

Acoustic modified nmr (amnmr) Download PDF

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Publication number
WO2009108876A3
WO2009108876A3 PCT/US2009/035508 US2009035508W WO2009108876A3 WO 2009108876 A3 WO2009108876 A3 WO 2009108876A3 US 2009035508 W US2009035508 W US 2009035508W WO 2009108876 A3 WO2009108876 A3 WO 2009108876A3
Authority
WO
WIPO (PCT)
Prior art keywords
amnmr
heavy oil
water
modified nmr
acoustic modified
Prior art date
Application number
PCT/US2009/035508
Other languages
French (fr)
Other versions
WO2009108876A2 (en
Inventor
Pedro A. Romero
Original Assignee
Baker Hughes Incorporated
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
Priority claimed from US12/370,404 external-priority patent/US8344726B2/en
Application filed by Baker Hughes Incorporated filed Critical Baker Hughes Incorporated
Publication of WO2009108876A2 publication Critical patent/WO2009108876A2/en
Publication of WO2009108876A3 publication Critical patent/WO2009108876A3/en

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
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00—Survey of boreholes or wells
    • E21B47/09—Locating or determining the position of objects in boreholes or wells, e.g. the position of an extending arm; Identifying the free or blocked portions of pipes
    • E21B47/095—Locating or determining the position of objects in boreholes or wells, e.g. the position of an extending arm; Identifying the free or blocked portions of pipes by detecting an acoustic anomalies, e.g. using mud-pressure pulses
    • 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]
    • G01R33/48—NMR imaging systems
    • G01R33/4808—Multimodal MR, e.g. MR combined with positron emission tomography [PET], MR combined with ultrasound or MR combined with computed tomography [CT]
    • 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
    • G01R33/50—NMR imaging systems based on the determination of relaxation times, e.g. T1 measurement by IR sequences; T2 measurement by multiple-echo sequences
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
    • Y02A90/30—Assessment of water resources

Abstract

Many reservoirs of interest include heavy oil. In such reservoirs, NMR measurements have difficulty distinguishing between heavy oil and water in the formation. An acoustic signal is used to modify the relaxation time distribution of water and heavy oil in opposite directions and thus increase the separability of the distributions.
PCT/US2009/035508 2008-02-27 2009-02-27 Acoustic modified nmr (amnmr) WO2009108876A2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US3195408P 2008-02-27 2008-02-27
US61/031,954 2008-02-27
US12/370,404 2009-02-12
US12/370,404 US8344726B2 (en) 2009-02-12 2009-02-12 Acoustic modified NMR (AMNMR)

Publications (2)

Publication Number Publication Date
WO2009108876A2 WO2009108876A2 (en) 2009-09-03
WO2009108876A3 true WO2009108876A3 (en) 2009-12-03

Family

ID=41016735

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2009/035508 WO2009108876A2 (en) 2008-02-27 2009-02-27 Acoustic modified nmr (amnmr)

Country Status (1)

Country Link
WO (1) WO2009108876A2 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030006767A1 (en) * 2001-06-29 2003-01-09 Georgi Dan T. Method for correcting downhole NMR data contaminated by borehole signals
US6933719B2 (en) * 2003-07-03 2005-08-23 Exxonmobil Research And Engineering Co. Fluid flow properties from acoustically stimulated NMR
US7082994B2 (en) * 2003-02-18 2006-08-01 Baker Hughes Incorporated Radially adjustable downhole devices and methods for same
US7301338B2 (en) * 2001-08-13 2007-11-27 Baker Hughes Incorporated Automatic adjustment of NMR pulse sequence to optimize SNR based on real time analysis

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030006767A1 (en) * 2001-06-29 2003-01-09 Georgi Dan T. Method for correcting downhole NMR data contaminated by borehole signals
US7301338B2 (en) * 2001-08-13 2007-11-27 Baker Hughes Incorporated Automatic adjustment of NMR pulse sequence to optimize SNR based on real time analysis
US7082994B2 (en) * 2003-02-18 2006-08-01 Baker Hughes Incorporated Radially adjustable downhole devices and methods for same
US6933719B2 (en) * 2003-07-03 2005-08-23 Exxonmobil Research And Engineering Co. Fluid flow properties from acoustically stimulated NMR

Also Published As

Publication number Publication date
WO2009108876A2 (en) 2009-09-03

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