NO20035519L - Fremgangsmate og system for bestemmelse av drift for klokke nede i et borehull - Google Patents

Fremgangsmate og system for bestemmelse av drift for klokke nede i et borehull

Info

Publication number
NO20035519L
NO20035519L NO20035519A NO20035519A NO20035519L NO 20035519 L NO20035519 L NO 20035519L NO 20035519 A NO20035519 A NO 20035519A NO 20035519 A NO20035519 A NO 20035519A NO 20035519 L NO20035519 L NO 20035519L
Authority
NO
Norway
Prior art keywords
clock
borehole
transmitted
downhole operation
received
Prior art date
Application number
NO20035519A
Other languages
English (en)
Other versions
NO335989B1 (no
NO20035519D0 (no
Inventor
Cengiz Esmersoy
Anthony L Collins
Andrew Hawthorn
Original Assignee
Schlumberger Technology Bv
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 Schlumberger Technology Bv filed Critical Schlumberger Technology Bv
Publication of NO20035519D0 publication Critical patent/NO20035519D0/no
Publication of NO20035519L publication Critical patent/NO20035519L/no
Publication of NO335989B1 publication Critical patent/NO335989B1/no

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/24—Recording seismic data
    • G01V1/26—Reference-signal-transmitting devices, e.g. indicating moment of firing of shot
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/40—Seismology; Seismic or acoustic prospecting or detecting specially adapted for well-logging

Landscapes

  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Acoustics & Sound (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)

Abstract

Det er presentert teknikker for å bestemme driften av en klokke (36) som er egnet til undergrunnsplassering. Seismiske signaler sendes gjennom undergrunnsmediet fra en opphulls lokalisering på valgte tidspunkter, akustiske signaler som er tilknyttet de sendte seismiske signaler mottas med akustiske sensorer (30) ved identifiserte nedihulls lokaliseringer. Første og andre transittider for akustiske signaler som er mottatt ved en identifisert nedihulls referanselokalisering bestemmes ved bruk av klokken. En tidsdifferanse mellom den første og annen signaltransittid ved referanse punktet beregnes for å bestemme klokkens drift.
NO20035519A 2002-12-12 2003-12-11 Fremgangsmåte og system for bestemmelse av drift for klokke nede i et borehull NO335989B1 (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/248,034 US6912465B2 (en) 2002-12-12 2002-12-12 System and method for determining downhole clock drift

Publications (3)

Publication Number Publication Date
NO20035519D0 NO20035519D0 (no) 2003-12-11
NO20035519L true NO20035519L (no) 2004-06-14
NO335989B1 NO335989B1 (no) 2015-04-13

Family

ID=29250290

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20035519A NO335989B1 (no) 2002-12-12 2003-12-11 Fremgangsmåte og system for bestemmelse av drift for klokke nede i et borehull

Country Status (4)

Country Link
US (1) US6912465B2 (no)
GB (1) GB2396214B (no)
MX (1) MXPA03008378A (no)
NO (1) NO335989B1 (no)

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US7668041B2 (en) * 2002-03-28 2010-02-23 Baker Hughes Incorporated Apparatus and methods for acquiring seismic data while tripping
US6905241B2 (en) * 2003-03-13 2005-06-14 Schlumberger Technology Corporation Determination of virgin formation temperature
US7139218B2 (en) * 2003-08-13 2006-11-21 Intelliserv, Inc. Distributed downhole drilling network
US20060180349A1 (en) * 2005-02-16 2006-08-17 Baker Hughes Incorporated Time and depth correction of MWD and wireline measurements using correlation of surface and downhole measurements
US7558157B1 (en) * 2006-04-26 2009-07-07 Itt Manufacturing Enterprises, Inc. Sensor synchronization using embedded atomic clocks
US7969819B2 (en) * 2006-05-09 2011-06-28 Schlumberger Technology Corporation Method for taking time-synchronized seismic measurements
US8902695B2 (en) * 2006-12-06 2014-12-02 Baker Hughes Incorporated Apparatus and method for clock shift correction for measurement-while-drilling measurements
US20110122727A1 (en) * 2007-07-06 2011-05-26 Gleitman Daniel D Detecting acoustic signals from a well system
US8181057B2 (en) * 2008-02-22 2012-05-15 Schlumberger Technology Corporation Time synchronization in units at different locations
US7912647B2 (en) * 2008-03-20 2011-03-22 Baker Hughes Incorporated Method and apparatus for measuring true vertical depth in a borehole
US8228208B2 (en) * 2008-07-28 2012-07-24 Westerngeco L.L.C. Communication system for survey source and receiver
US8009510B2 (en) 2008-10-23 2011-08-30 Schlumberger Technology Corporation Two way check shot and reverse VSP while drilling
US8439130B2 (en) * 2010-02-22 2013-05-14 Schlumberger Technology Corporation Method and apparatus for seismic data acquisition during drilling operations
US8995222B2 (en) * 2010-05-06 2015-03-31 Bp Corporation North America Inc. System and method for accurate determination of ocean bottom seismometer positioning and timing
US9146334B2 (en) 2011-09-13 2015-09-29 Baker Hughes Incorporated Method of phase synchronization of MWD or wireline apparatus separated in the string
US9081118B2 (en) * 2011-11-21 2015-07-14 Cggveritas Services Sa Device and method for computing depth velocity variations
US9007231B2 (en) 2013-01-17 2015-04-14 Baker Hughes Incorporated Synchronization of distributed measurements in a borehole
US10371847B2 (en) * 2014-09-29 2019-08-06 Schlumberger Technology Corporation System and methodology for identifying time differences between clocks during seismic exploration
US10280739B2 (en) 2014-12-05 2019-05-07 Halliburton Energy Services, Inc. Downhole clock calibration apparatus, systems, and methods
EP3274739A1 (en) * 2015-03-26 2018-01-31 BP Exploration Operating Company Limited Seismic survey method
WO2017105461A1 (en) * 2015-12-17 2017-06-22 Halliburton Energy Services, Inc. Systems and methods for wellbore logging to adjust for downhole clock drift
WO2017116675A1 (en) * 2015-12-29 2017-07-06 Westerngeco Llc Data-driven clock drift adjustment
US10935682B2 (en) * 2016-10-03 2021-03-02 Schlumberger Technology Corporation Downhole seismic sensing synchronization systems and methods

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Publication number Priority date Publication date Assignee Title
US4281403A (en) 1979-09-12 1981-07-28 Litton Resources Systems, Inc. Seismic data recording method and apparatus
US4363112A (en) 1980-04-18 1982-12-07 Bernard Widrow Apparatus and method for determining the position of a gas-saturated porous rock in the vicinity of a deep borehole in the earth
US5003318A (en) * 1986-11-24 1991-03-26 Mcdonnell Douglas Corporation Dual frequency microstrip patch antenna with capacitively coupled feed pins
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Also Published As

Publication number Publication date
GB2396214A (en) 2004-06-16
NO335989B1 (no) 2015-04-13
US6912465B2 (en) 2005-06-28
MXPA03008378A (es) 2004-06-24
US20040117118A1 (en) 2004-06-17
NO20035519D0 (no) 2003-12-11
GB2396214B (en) 2005-02-02
GB0321275D0 (en) 2003-10-08

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