WO2008077142A3 - Acoustic fluid analysis method - Google Patents

Acoustic fluid analysis method Download PDF

Info

Publication number
WO2008077142A3
WO2008077142A3 PCT/US2007/088320 US2007088320W WO2008077142A3 WO 2008077142 A3 WO2008077142 A3 WO 2008077142A3 US 2007088320 W US2007088320 W US 2007088320W WO 2008077142 A3 WO2008077142 A3 WO 2008077142A3
Authority
WO
WIPO (PCT)
Prior art keywords
fluid
data
time
derivative
acoustic
Prior art date
Application number
PCT/US2007/088320
Other languages
French (fr)
Other versions
WO2008077142A2 (en
Inventor
Rocco Difoggio
Paul A Bergren
Jun Han
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 WO2008077142A2 publication Critical patent/WO2008077142A2/en
Publication of WO2008077142A3 publication Critical patent/WO2008077142A3/en

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Classifications

    • 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
    • E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
    • E21B49/08—Obtaining fluid samples or testing fluids, in boreholes or wells
    • E21B49/10—Obtaining fluid samples or testing fluids, in boreholes or wells using side-wall fluid samplers or testers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/02—Analysing fluids
    • G01N29/024—Analysing fluids by measuring propagation velocity or propagation time of acoustic waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/02—Analysing fluids
    • G01N29/032—Analysing fluids by measuring attenuation of acoustic waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/22—Details, e.g. general constructional or apparatus details
    • G01N29/222—Constructional or flow details for analysing fluids
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/024—Mixtures
    • G01N2291/02433—Gases in liquids, e.g. bubbles, foams

Abstract

A method of analyzing acoustic data comprising, determining fluid sound speed through connate fluid. The method involves sampling the fluid, sending an acoustic signal into the fluid between a first and a second reflective interface. Data is recorded that represents acoustic signals over time as they are reflecting from the interfaces. A smoothed first derivative with respect to time of the cumulative sum of squares (CSS) of the filtered amplitude data is determined. This first derivative is cross correlated to the time-shifted versions of itself.
PCT/US2007/088320 2006-12-14 2007-12-20 Acoustic fluid analysis method WO2008077142A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/638,893 2006-12-14
US11/638,893 US7614302B2 (en) 2005-08-01 2006-12-14 Acoustic fluid analysis method

Publications (2)

Publication Number Publication Date
WO2008077142A2 WO2008077142A2 (en) 2008-06-26
WO2008077142A3 true WO2008077142A3 (en) 2008-08-07

Family

ID=39537009

Family Applications (2)

Application Number Title Priority Date Filing Date
PCT/US2007/087621 WO2008076909A2 (en) 2006-12-14 2007-12-14 Acoustic fluid analysis method
PCT/US2007/088320 WO2008077142A2 (en) 2006-12-14 2007-12-20 Acoustic fluid analysis method

Family Applications Before (1)

Application Number Title Priority Date Filing Date
PCT/US2007/087621 WO2008076909A2 (en) 2006-12-14 2007-12-14 Acoustic fluid analysis method

Country Status (5)

Country Link
US (1) US7614302B2 (en)
BR (1) BRPI0721089A2 (en)
GB (1) GB2458588B (en)
NO (1) NO343972B1 (en)
WO (2) WO2008076909A2 (en)

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Also Published As

Publication number Publication date
GB2458588B (en) 2011-03-30
WO2008076909A3 (en) 2008-10-09
NO20092265L (en) 2009-06-26
US7614302B2 (en) 2009-11-10
WO2008077142A2 (en) 2008-06-26
GB2458588A (en) 2009-09-30
WO2008076909A2 (en) 2008-06-26
GB0910708D0 (en) 2009-08-05
BRPI0721089A2 (en) 2014-02-04
US20070129901A1 (en) 2007-06-07
NO343972B1 (en) 2019-08-05

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