NO773168L - Stigeroersinnlegg. - Google Patents

Stigeroersinnlegg.

Info

Publication number
NO773168L
NO773168L NO773168A NO773168A NO773168L NO 773168 L NO773168 L NO 773168L NO 773168 A NO773168 A NO 773168A NO 773168 A NO773168 A NO 773168A NO 773168 L NO773168 L NO 773168L
Authority
NO
Norway
Prior art keywords
ladder insert
ladder
insert
Prior art date
Application number
NO773168A
Other languages
English (en)
Other versions
NO153115C (no
NO153115B (no
Inventor
Johnce E Hall
William D Greenfield
Michael R Waller
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 NO773168L publication Critical patent/NO773168L/no
Publication of NO153115B publication Critical patent/NO153115B/no
Publication of NO153115C publication Critical patent/NO153115C/no

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
NO773168A 1976-09-15 1977-09-14 Fremgangsmaate ved boring av en undervannsbroenn og stigeroer for bruk ved slik boring NO153115C (no)

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 (3)

Publication Number Publication Date
NO773168L true NO773168L (no) 1978-03-16
NO153115B NO153115B (no) 1985-10-07
NO153115C NO153115C (no) 1986-01-15

Family

ID=27110803

Family Applications (1)

Application Number Title Priority Date Filing Date
NO773168A NO153115C (no) 1976-09-15 1977-09-14 Fremgangsmaate ved boring av en undervannsbroenn og stigeroer for bruk ved slik boring

Country Status (3)

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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1197697A (en) * 1983-10-12 1985-12-10 Fathom Oceanology Limited Buoyancy support for deep-ocean struts
GB9315309D0 (en) * 1993-07-23 1993-09-08 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

Also Published As

Publication number Publication date
GB1589637A (en) 1981-05-13
NO153115C (no) 1986-01-15
NO153115B (no) 1985-10-07
ES462382A1 (es) 1978-12-16

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