NO20003950L - FremgangsmÕte og anordning for Õ bore et borehull i et undersjøisk unormalt poretrykk - Google Patents

FremgangsmÕte og anordning for Õ bore et borehull i et undersjøisk unormalt poretrykk

Info

Publication number
NO20003950L
NO20003950L NO20003950A NO20003950A NO20003950L NO 20003950 L NO20003950 L NO 20003950L NO 20003950 A NO20003950 A NO 20003950A NO 20003950 A NO20003950 A NO 20003950A NO 20003950 L NO20003950 L NO 20003950L
Authority
NO
Norway
Prior art keywords
borehole
drilling
pore pressure
abnormal pore
subsea
Prior art date
Application number
NO20003950A
Other languages
English (en)
Other versions
NO20003950D0 (no
NO322939B1 (no
Inventor
Jr Adam T Bourgoyne
Darryl Bourgoyne
Tammy T Bourgoyne
Original Assignee
Weatherford Lamb
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 Weatherford Lamb filed Critical Weatherford Lamb
Publication of NO20003950D0 publication Critical patent/NO20003950D0/no
Publication of NO20003950L publication Critical patent/NO20003950L/no
Publication of NO322939B1 publication Critical patent/NO322939B1/no

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
    • 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
    • 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
    • E21B21/085—Underbalanced techniques, i.e. where borehole fluid pressure is below formation 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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/10—Valve arrangements in drilling-fluid circulation systems
    • E21B21/106—Valve arrangements outside the borehole, e.g. kelly valves
    • 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
    • E21B21/12—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor using drilling pipes with plural fluid passages, e.g. closed circulation systems
    • 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
    • E21B33/08—Wipers; Oil savers
    • E21B33/085—Rotatable packing means, e.g. rotating blow-out preventers

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)
  • Earth Drilling (AREA)
  • Sliding-Contact Bearings (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
NO20003950A 1998-03-02 2000-08-04 Fremgangsmate og anordning for a bore et borehull inn i et undersjoisk miljo med unormalt poretrykk NO322939B1 (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/033,190 US6138774A (en) 1998-03-02 1998-03-02 Method and apparatus for drilling a borehole into a subsea abnormal pore pressure environment
PCT/US1999/003888 WO1999045228A1 (en) 1998-03-02 1999-02-24 Method and apparatus for drilling a borehole into a subsea abnormal pore pressure environment

Publications (3)

Publication Number Publication Date
NO20003950D0 NO20003950D0 (no) 2000-08-04
NO20003950L true NO20003950L (no) 2000-10-24
NO322939B1 NO322939B1 (no) 2006-12-18

Family

ID=21869004

Family Applications (2)

Application Number Title Priority Date Filing Date
NO20003950A NO322939B1 (no) 1998-03-02 2000-08-04 Fremgangsmate og anordning for a bore et borehull inn i et undersjoisk miljo med unormalt poretrykk
NO20083380A NO336889B1 (no) 1998-03-02 2008-08-04 Roterende kontrollhodesammenstilling som har et lager og en fremgangsmåte for å smøre lageret

Family Applications After (1)

Application Number Title Priority Date Filing Date
NO20083380A NO336889B1 (no) 1998-03-02 2008-08-04 Roterende kontrollhodesammenstilling som har et lager og en fremgangsmåte for å smøre lageret

Country Status (7)

Country Link
US (1) US6138774A (no)
EP (3) EP1060320A4 (no)
AU (1) AU752847B2 (no)
BR (1) BR9908418A (no)
CA (1) CA2322287A1 (no)
NO (2) NO322939B1 (no)
WO (1) WO1999045228A1 (no)

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EP2261456A2 (en) 2010-12-15
BR9908418A (pt) 2002-01-02
EP2261456A3 (en) 2012-09-19
EP1060320A1 (en) 2000-12-20
NO20003950D0 (no) 2000-08-04
EP2261457A2 (en) 2010-12-15
NO336889B1 (no) 2015-11-23
EP2261457A3 (en) 2012-09-19
NO20083380L (no) 2000-10-24
WO1999045228A1 (en) 1999-09-10
US6138774A (en) 2000-10-31
AU2782299A (en) 1999-09-20
EP1060320A4 (en) 2004-12-15
CA2322287A1 (en) 1999-09-10
NO322939B1 (no) 2006-12-18
AU752847B2 (en) 2002-10-03

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