GB1589637A - Method and apparatus for offshore drilling operation - Google Patents

Method and apparatus for offshore drilling operation Download PDF

Info

Publication number
GB1589637A
GB1589637A GB38165/77A GB3816577A GB1589637A GB 1589637 A GB1589637 A GB 1589637A GB 38165/77 A GB38165/77 A GB 38165/77A GB 3816577 A GB3816577 A GB 3816577A GB 1589637 A GB1589637 A GB 1589637A
Authority
GB
United Kingdom
Prior art keywords
riser pipe
drilling
casing
insert
riser
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
Application number
GB38165/77A
Other languages
English (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.)
Standard Oil Co
Original Assignee
Standard Oil Co
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 US05/723,400 external-priority patent/US4086971A/en
Application filed by Standard Oil Co filed Critical Standard Oil Co
Publication of GB1589637A publication Critical patent/GB1589637A/en
Expired 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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/01—Risers
    • E21B17/012—Risers with buoyancy elements
    • 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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/01—Risers
    • 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
    • E21B21/001—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 DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
GB38165/77A 1976-09-15 1977-09-13 Method and apparatus for offshore drilling operation Expired GB1589637A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US72339776A 1976-09-15 1976-09-15
US05/723,400 US4086971A (en) 1976-09-15 1976-09-15 Riser pipe inserts

Publications (1)

Publication Number Publication Date
GB1589637A true GB1589637A (en) 1981-05-13

Family

ID=27110803

Family Applications (1)

Application Number Title Priority Date Filing Date
GB38165/77A Expired GB1589637A (en) 1976-09-15 1977-09-13 Method and apparatus for offshore drilling operation

Country Status (3)

Country Link
ES (1) ES462382A1 (no)
GB (1) GB1589637A (no)
NO (1) NO153115C (no)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1985001762A1 (en) * 1983-10-12 1985-04-25 Fathom Inc. Buoyancy support for deep-ocean struts
GB2280460A (en) * 1993-07-23 1995-02-01 Altra Consultants Limited Apparatus for inserting into a conduit
WO1999047784A1 (en) * 1998-03-14 1999-09-23 Shell Internationale Research Maatschappij B.V. Supporting frame for risers

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1985001762A1 (en) * 1983-10-12 1985-04-25 Fathom Inc. Buoyancy support for deep-ocean struts
US4656962A (en) * 1983-10-12 1987-04-14 Fathom Oceanology Limited Buoyancy support for deep-ocean struts
GB2280460A (en) * 1993-07-23 1995-02-01 Altra Consultants Limited Apparatus for inserting into a conduit
GB2280460B (en) * 1993-07-23 1997-01-08 Altra Consultants Limited A method of reducing the internal flow volume of a multi-phase pipeline
WO1999047784A1 (en) * 1998-03-14 1999-09-23 Shell Internationale Research Maatschappij B.V. Supporting frame for risers
GB2351749A (en) * 1998-03-14 2001-01-10 Shell Int Research Supporting frame for risers
GB2351749B (en) * 1998-03-14 2002-06-12 Shell Int Research Conductor supported pulltube bundle

Also Published As

Publication number Publication date
ES462382A1 (es) 1978-12-16
NO153115C (no) 1986-01-15
NO773168L (no) 1978-03-16
NO153115B (no) 1985-10-07

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee