GB2379947B - Wellbore drilling system for reducing bottom hole pressure - Google Patents

Wellbore drilling system for reducing bottom hole pressure

Info

Publication number
GB2379947B
GB2379947B GB0227465A GB0227465A GB2379947B GB 2379947 B GB2379947 B GB 2379947B GB 0227465 A GB0227465 A GB 0227465A GB 0227465 A GB0227465 A GB 0227465A GB 2379947 B GB2379947 B GB 2379947B
Authority
GB
United Kingdom
Prior art keywords
bottom hole
drilling system
hole pressure
wellbore drilling
reducing bottom
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
GB0227465A
Other versions
GB2379947A (en
GB0227465D0 (en
Inventor
Roger Fincher
Larry Watkins
Roland May
James W Mcfarlane
Peter Fontana
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.)
Deep Vision LLC
Original Assignee
Deep Vision LLC
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 Deep Vision LLC filed Critical Deep Vision LLC
Priority claimed from GB0101430A external-priority patent/GB2356657B/en
Publication of GB0227465D0 publication Critical patent/GB0227465D0/en
Publication of GB2379947A publication Critical patent/GB2379947A/en
Application granted granted Critical
Publication of GB2379947B publication Critical patent/GB2379947B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
    • B63B21/50—Anchoring arrangements or methods for special vessels, e.g. for floating drilling platforms or dredgers
    • B63B21/502—Anchoring arrangements or methods for special vessels, e.g. for floating drilling platforms or dredgers by means of tension legs
    • 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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/20—Flexible or articulated drilling pipes, e.g. flexible or articulated rods, pipes or cables
    • E21B17/206—Flexible or articulated drilling pipes, e.g. flexible or articulated rods, pipes or cables with conductors, e.g. electrical, optical
    • 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
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/002—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables specially adapted for underwater drilling
    • 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
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/08—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
    • E21B19/09—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods specially adapted for drilling underwater formations from a floating support using heave compensators supporting the drill string
    • 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
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/22—Handling reeled pipe or rod units, e.g. flexible drilling pipes
    • 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
    • E21B21/001—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor specially adapted for underwater drilling
    • 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
    • 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
    • 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
    • E21B33/076—Well heads; Setting-up thereof having provision for introducing objects or fluids into, or removing objects from, wells specially adapted for underwater installations
    • 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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/002—Drilling with diversely driven shafts extending into the borehole
    • 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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/12—Underwater drilling
    • E21B7/128—Underwater drilling from floating support with independent underwater anchored guide base
    • 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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/28—Enlarging drilled holes, e.g. by counterboring

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (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)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Earth Drilling (AREA)
GB0227465A 1998-07-15 1999-07-15 Wellbore drilling system for reducing bottom hole pressure Expired - Lifetime GB2379947B (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US9290898P 1998-07-15 1998-07-15
US9518898P 1998-08-03 1998-08-03
US10154198P 1998-09-23 1998-09-23
US10860198P 1998-11-16 1998-11-16
GB0101430A GB2356657B (en) 1998-07-15 1999-07-15 Subsea wellbore drilling system for reducing bottom hole pressure

Publications (3)

Publication Number Publication Date
GB0227465D0 GB0227465D0 (en) 2002-12-31
GB2379947A GB2379947A (en) 2003-03-26
GB2379947B true GB2379947B (en) 2003-05-07

Family

ID=27516003

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0227465A Expired - Lifetime GB2379947B (en) 1998-07-15 1999-07-15 Wellbore drilling system for reducing bottom hole pressure

Country Status (1)

Country Link
GB (1) GB2379947B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8720582B2 (en) * 2010-05-19 2014-05-13 Baker Hughes Incorporated Apparatus and methods for providing tubing into a subsea well

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4063602A (en) * 1975-08-13 1977-12-20 Exxon Production Research Company Drilling fluid diverter system
US4091881A (en) * 1977-04-11 1978-05-30 Exxon Production Research Company Artificial lift system for marine drilling riser
US4297880A (en) * 1980-02-05 1981-11-03 General Electric Company Downhole pressure measurements of drilling mud
EP0290250A2 (en) * 1987-05-05 1988-11-09 Conoco Inc. Method and apparatus for deepwater drilling
WO1999049172A1 (en) * 1998-03-27 1999-09-30 Hydril Company Offshore drilling system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4063602A (en) * 1975-08-13 1977-12-20 Exxon Production Research Company Drilling fluid diverter system
US4091881A (en) * 1977-04-11 1978-05-30 Exxon Production Research Company Artificial lift system for marine drilling riser
US4297880A (en) * 1980-02-05 1981-11-03 General Electric Company Downhole pressure measurements of drilling mud
EP0290250A2 (en) * 1987-05-05 1988-11-09 Conoco Inc. Method and apparatus for deepwater drilling
WO1999049172A1 (en) * 1998-03-27 1999-09-30 Hydril Company Offshore drilling system

Also Published As

Publication number Publication date
GB2379947A (en) 2003-03-26
GB0227465D0 (en) 2002-12-31

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20190714