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GB9211048D0 - Method for detecting drillstring washouts - Google Patents

Method for detecting drillstring washouts

Info

Publication number
GB9211048D0
GB9211048D0 GB929211048A GB9211048A GB9211048D0 GB 9211048 D0 GB9211048 D0 GB 9211048D0 GB 929211048 A GB929211048 A GB 929211048A GB 9211048 A GB9211048 A GB 9211048A GB 9211048 D0 GB9211048 D0 GB 9211048D0
Authority
GB
United Kingdom
Prior art keywords
washouts
drillstring
detecting
drillstring washouts
detecting drillstring
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.)
Granted
Application number
GB929211048A
Other versions
GB2267300B (en
GB2267300A (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.)
Services Petroliers Schlumberger SA
Original Assignee
Services Petroliers Schlumberger SA
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 Services Petroliers Schlumberger SA filed Critical Services Petroliers Schlumberger SA
Priority to GB9211048A priority Critical patent/GB2267300B/en
Publication of GB9211048D0 publication Critical patent/GB9211048D0/en
Priority to DE69309149T priority patent/DE69309149D1/en
Priority to EP93201208A priority patent/EP0572055B1/en
Priority to CA002095583A priority patent/CA2095583C/en
Priority to NO931746A priority patent/NO304710B1/en
Publication of GB2267300A publication Critical patent/GB2267300A/en
Application granted granted Critical
Publication of GB2267300B publication Critical patent/GB2267300B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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)
GB9211048A 1992-05-23 1992-05-23 Method for detecting drillstring washouts Expired - Fee Related GB2267300B (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
GB9211048A GB2267300B (en) 1992-05-23 1992-05-23 Method for detecting drillstring washouts
DE69309149T DE69309149D1 (en) 1992-05-23 1993-04-27 Procedure for the detection of leaks in drill pipes
EP93201208A EP0572055B1 (en) 1992-05-23 1993-04-27 Method for detecting drillstring washouts
CA002095583A CA2095583C (en) 1992-05-23 1993-05-05 Method for detecting drillstring washouts
NO931746A NO304710B1 (en) 1992-05-23 1993-05-21 Procedure for detecting leaches on a drill string

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 (3)

Publication Number Publication Date
GB9211048D0 true GB9211048D0 (en) 1992-07-08
GB2267300A GB2267300A (en) 1993-12-01
GB2267300B GB2267300B (en) 1995-08-02

Family

ID=10715965

Family Applications (1)

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

Country Status (5)

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

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1637695A1 (en) * 2000-09-22 2006-03-22 Weatherford/Lamb, Inc. Methods and apparatus for remote monitoring and control.
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
CA2876895A1 (en) * 2012-06-22 2013-12-27 Schlumberger Canada Limited 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
CA2095583A1 (en) 1993-11-24
NO304710B1 (en) 1999-02-01
EP0572055B1 (en) 1997-03-26
NO931863D0 (en) 1993-05-21
NO931863L (en) 1993-11-24
DE69309149D1 (en) 1997-04-30
GB2267300B (en) 1995-08-02
GB2267300A (en) 1993-12-01
EP0572055A1 (en) 1993-12-01
CA2095583C (en) 2004-08-10

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Legal Events

Date Code Title Description
730A Proceeding under section 30 patents act 1977
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20020523