CA2550981A1 - Continuous circulation drilling method - Google Patents

Continuous circulation drilling method Download PDF

Info

Publication number
CA2550981A1
CA2550981A1 CA002550981A CA2550981A CA2550981A1 CA 2550981 A1 CA2550981 A1 CA 2550981A1 CA 002550981 A CA002550981 A CA 002550981A CA 2550981 A CA2550981 A CA 2550981A CA 2550981 A1 CA2550981 A1 CA 2550981A1
Authority
CA
Canada
Prior art keywords
drill string
tubular
drilling method
continuous circulation
circulation drilling
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
CA002550981A
Other languages
French (fr)
Other versions
CA2550981C (en
Inventor
Laurence John Ayling
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.)
National Oilwell Varco LP
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 GBGB9621510.8A external-priority patent/GB9621510D0/en
Priority claimed from GBGB9621509.0A external-priority patent/GB9621509D0/en
Application filed by Individual filed Critical Individual
Publication of CA2550981A1 publication Critical patent/CA2550981A1/en
Application granted granted Critical
Publication of CA2550981C publication Critical patent/CA2550981C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • E21B33/00—Sealing or packing boreholes or wells
    • E21B33/02—Surface sealing or packing
    • E21B33/03—Well heads; Setting-up thereof
    • E21B33/068—Well heads; Setting-up thereof having provision for introducing objects or fluids into, or removing objects from, wells
    • 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
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/16—Connecting or disconnecting pipe couplings or joints
    • 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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/01—Arrangements for handling drilling fluids or cuttings outside the borehole, e.g. mud boxes
    • E21B21/019—Arrangements for maintaining circulation of drilling fluid while connecting or disconnecting tubular joints
    • 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
    • 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
    • E21B21/085—Underbalanced techniques, i.e. where borehole fluid pressure is below formation pressure

Abstract

Apparatus for connecting or disconnecting tubular to and from a drill string while continuously rotating the drill string in a bore hole comprising: (a) first means for positioning a tubular above a drill string in axial alignment; (b) rotary grip means for gripping the drill string; and (c) motorized means connected to the rotary grip means for rotating the drill string relative to the tubular and continuously rotating the drill string in the bore hole while simultaneously connecting or disconnecting the tubular to and from the drill string.
CA002550981A 1996-10-15 1997-10-14 Continuous circulation drilling method Expired - Lifetime CA2550981C (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
GB9621510.8 1996-10-15
GBGB9621510.8A GB9621510D0 (en) 1996-10-15 1996-10-15 Drilling method
GB9621509.0 1996-10-15
GBGB9621509.0A GB9621509D0 (en) 1996-10-15 1996-10-15 Drilling method
CA002267426A CA2267426C (en) 1996-10-15 1997-10-14 Continuous circulation drilling method

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA002267426A Division CA2267426C (en) 1996-10-15 1997-10-14 Continuous circulation drilling method

Publications (2)

Publication Number Publication Date
CA2550981A1 true CA2550981A1 (en) 1998-04-23
CA2550981C CA2550981C (en) 2009-05-26

Family

ID=26310237

Family Applications (2)

Application Number Title Priority Date Filing Date
CA002550981A Expired - Lifetime CA2550981C (en) 1996-10-15 1997-10-14 Continuous circulation drilling method
CA002267426A Expired - Lifetime CA2267426C (en) 1996-10-15 1997-10-14 Continuous circulation drilling method

Family Applications After (1)

Application Number Title Priority Date Filing Date
CA002267426A Expired - Lifetime CA2267426C (en) 1996-10-15 1997-10-14 Continuous circulation drilling method

Country Status (9)

Country Link
US (3) US6315051B1 (en)
EP (1) EP0932745B1 (en)
AT (1) ATE293203T1 (en)
AU (1) AU732227B2 (en)
BR (1) BR9712521A (en)
CA (2) CA2550981C (en)
DE (1) DE69733023D1 (en)
NO (1) NO316809B1 (en)
WO (1) WO1998016716A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO20072761A (en) * 2007-05-30 2008-12-01 Wellquip As Device with top-driven drilling machine for continuous circulation of drilling fluid

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Publication number Priority date Publication date Assignee Title
NO20072761A (en) * 2007-05-30 2008-12-01 Wellquip As Device with top-driven drilling machine for continuous circulation of drilling fluid
US8505635B2 (en) 2007-05-30 2013-08-13 Per A. Vatne Device for a top drive drilling machine for continuous circulation of drilling mud

Also Published As

Publication number Publication date
NO991515L (en) 1999-06-04
CA2267426A1 (en) 1998-04-23
NO991515D0 (en) 1999-03-29
US20040159467A1 (en) 2004-08-19
NO316809B1 (en) 2004-05-18
BR9712521A (en) 1999-10-19
US20020157838A1 (en) 2002-10-31
EP0932745A1 (en) 1999-08-04
EP0932745B1 (en) 2005-04-13
WO1998016716A1 (en) 1998-04-23
AU4632697A (en) 1998-05-11
CA2267426C (en) 2007-10-09
AU732227B2 (en) 2001-04-12
ATE293203T1 (en) 2005-04-15
US6315051B1 (en) 2001-11-13
US6739397B2 (en) 2004-05-25
US7322418B2 (en) 2008-01-29
DE69733023D1 (en) 2005-05-19
CA2550981C (en) 2009-05-26

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Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry

Effective date: 20171016

MKEX Expiry

Effective date: 20171016