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GB201215056D0 - Methods for evaluating borehole volume changes while drilling - Google Patents

Methods for evaluating borehole volume changes while drilling

Info

Publication number
GB201215056D0
GB201215056D0 GBGB1215056.1A GB201215056A GB201215056D0 GB 201215056 D0 GB201215056 D0 GB 201215056D0 GB 201215056 A GB201215056 A GB 201215056A GB 201215056 D0 GB201215056 D0 GB 201215056D0
Authority
GB
United Kingdom
Prior art keywords
drilling
methods
volume changes
evaluating
borehole volume
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Withdrawn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
GBGB1215056.1A
Other versions
GB2497381A (en
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.)
Schlumberger Holdings Ltd
Original Assignee
Individual
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 US13/585,791 external-priority patent/US20130049983A1/en
Application filed by Individual filed Critical Individual
Publication of GB201215056D0 publication Critical patent/GB201215056D0/en
Publication of GB2497381A publication Critical patent/GB2497381A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00—Survey of boreholes or wells
    • E21B47/003—Determining well or borehole volumes
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00—Survey of boreholes or wells
    • E21B47/04—Measuring depth or liquid level
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00—Survey of boreholes or wells
    • E21B47/06—Measuring temperature or pressure
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK 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
    • E21B49/003—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 by analysing drilling variables or conditions

Landscapes

  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geophysics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Earth Drilling (AREA)

Abstract

A method for identifying wellbore volume change involves drilling a wellbore and processing a plurality of axially spaced subsurface annular pressure measurements 36, 38 to compute a plurality of interval densities; monitoring the interval densities with time and evaluating a change in one of the interval densities and a substantially different flow rate as an indicator of the wellbore volume change.
GB1215056.1A 2011-08-26 2012-08-23 A method for indentifying a wellbore volume change Withdrawn GB2497381A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201161527948P 2011-08-26 2011-08-26
US13/585,791 US20130049983A1 (en) 2011-08-26 2012-08-14 Method for calibrating a hydraulic model

Publications (2)

Publication Number Publication Date
GB201215056D0 true GB201215056D0 (en) 2012-10-10
GB2497381A GB2497381A (en) 2013-06-12

Family

ID=47045305

Family Applications (2)

Application Number Title Priority Date Filing Date
GB1215078.5A Withdrawn GB2494960A (en) 2011-08-26 2012-08-23 Calibrating a wellbore hydraulic model
GB1215056.1A Withdrawn GB2497381A (en) 2011-08-26 2012-08-23 A method for indentifying a wellbore volume change

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB1215078.5A Withdrawn GB2494960A (en) 2011-08-26 2012-08-23 Calibrating a wellbore hydraulic model

Country Status (1)

Country Link
GB (2) GB2494960A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103759920B (en) * 2014-01-26 2016-06-22 中国地质大学（武汉） A kind of probing hydrodynamics process study experimental provision

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7996199B2 (en) * 2006-08-07 2011-08-09 Schlumberger Technology Corp Method and system for pore pressure prediction
BR112012007730A2 (en) * 2009-10-06 2016-08-23 Prad Res & Dev Ltd training test planning and monitoring
US8788251B2 (en) * 2010-05-21 2014-07-22 Schlumberger Technology Corporation Method for interpretation of distributed temperature sensors during wellbore treatment

Also Published As

Publication number Publication date
GB2494960A (en) 2013-03-27
GB2497381A (en) 2013-06-12
GB2494960A8 (en) 2013-04-10
GB201215078D0 (en) 2012-10-10

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Legal Events

Date Code Title Description
AT Applications terminated before publication under section 16(1)
COOA Change in applicant's name or ownership of the application

Owner name: SCHLUMBERGER HOLDINGS LIMITED

Free format text: FORMER OWNERS: JOHN C RASMUS;WILLIAM LESSO;JOHN JAMES;EDWARD M TOLLEFSEN;SCOTT PAUL;AMANDA L WEBER;MARCUS TURNER;PAUL BOLCHOVER

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