DE69309149D1 - Verfahren zur Feststellung von Lecks in Bohrgestängen - Google Patents

Verfahren zur Feststellung von Lecks in Bohrgestängen

Info

Publication number
DE69309149D1
DE69309149D1 DE69309149T DE69309149T DE69309149D1 DE 69309149 D1 DE69309149 D1 DE 69309149D1 DE 69309149 T DE69309149 T DE 69309149T DE 69309149 T DE69309149 T DE 69309149T DE 69309149 D1 DE69309149 D1 DE 69309149D1
Authority
DE
Germany
Prior art keywords
leaks
procedure
detection
drill pipes
drill
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.)
Expired - Lifetime
Application number
DE69309149T
Other languages
English (en)
Inventor
Mohamed Damak
Dominic Patrick Joseph Mccann
David Brian White
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.)
Sedco Forex Technology Inc
Original Assignee
Sedco Forex Technology 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 Sedco Forex Technology Inc filed Critical Sedco Forex Technology Inc
Application granted granted Critical
Publication of DE69309149D1 publication Critical patent/DE69309149D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • E21B44/00—Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
    • 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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/08—Controlling or monitoring pressure or flow of drilling fluid, e.g. automatic filling of boreholes, automatic control of bottom pressure

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
  • Examining Or Testing Airtightness (AREA)
DE69309149T 1992-05-23 1993-04-27 Verfahren zur Feststellung von Lecks in Bohrgestängen Expired - Lifetime DE69309149D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9211048A GB2267300B (en) 1992-05-23 1992-05-23 Method for detecting drillstring washouts

Publications (1)

Publication Number Publication Date
DE69309149D1 true DE69309149D1 (de) 1997-04-30

Family

ID=10715965

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69309149T Expired - Lifetime DE69309149D1 (de) 1992-05-23 1993-04-27 Verfahren zur Feststellung von Lecks in Bohrgestängen

Country Status (5)

Country Link
EP (1) EP0572055B1 (de)
CA (1) CA2095583C (de)
DE (1) DE69309149D1 (de)
GB (1) GB2267300B (de)
NO (1) NO304710B1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1637695A1 (de) * 2000-09-22 2006-03-22 Weatherford/Lamb, Inc. Verfahren und Vorrichtung zur Fernüberwachung und Steurerung.
US7694558B2 (en) * 2008-02-11 2010-04-13 Baker Hughes Incorporated Downhole washout detection system and method
US8170800B2 (en) 2009-03-16 2012-05-01 Verdande Technology As Method and system for monitoring a drilling operation
US8381838B2 (en) 2009-12-31 2013-02-26 Pason Systems Corp. System and apparatus for directing the drilling of a well
US20150184504A1 (en) * 2012-06-22 2015-07-02 Schlumberger Technology Corporation Detecting a Drill String Washout Event
US11313220B1 (en) * 2021-02-17 2022-04-26 Saudi Arabian Oil Company Methods for identifying drill string washouts during wellbore drilling

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3646808A (en) * 1970-08-28 1972-03-07 Loren W Leonard Method for automatically monitoring and servicing the drilling fluid condition in a well bore
US4188624A (en) * 1978-06-30 1980-02-12 Nl Industries, Inc. Method and apparatus for monitoring fluid flow through a drill string
US4346594A (en) * 1980-11-14 1982-08-31 Owings Allen J Method for locating the depth of a drill string washout or lost circulation zone
US4430892A (en) * 1981-11-02 1984-02-14 Owings Allen J Pressure loss identifying apparatus and method for a drilling mud system
US4941951A (en) * 1989-02-27 1990-07-17 Anadrill, Inc. Method for improving a drilling process by characterizing the hydraulics of the drilling system

Also Published As

Publication number Publication date
GB2267300A (en) 1993-12-01
NO931863L (no) 1993-11-24
GB9211048D0 (en) 1992-07-08
EP0572055A1 (de) 1993-12-01
NO931863D0 (no) 1993-05-21
NO304710B1 (no) 1999-02-01
CA2095583A1 (en) 1993-11-24
EP0572055B1 (de) 1997-03-26
GB2267300B (en) 1995-08-02
CA2095583C (en) 2004-08-10

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Legal Events

Date Code Title Description
8332 No legal effect for de