NO20025429L - Fremgangsmåte for dynamisk regulering av bunnhullssirkulasjonstrykket i etbrönnhull - Google Patents

Fremgangsmåte for dynamisk regulering av bunnhullssirkulasjonstrykket i etbrönnhull

Info

Publication number
NO20025429L
NO20025429L NO20025429A NO20025429A NO20025429L NO 20025429 L NO20025429 L NO 20025429L NO 20025429 A NO20025429 A NO 20025429A NO 20025429 A NO20025429 A NO 20025429A NO 20025429 L NO20025429 L NO 20025429L
Authority
NO
Norway
Prior art keywords
wellbore
bottom hole
circulation pressure
dynamically regulating
hole circulation
Prior art date
Application number
NO20025429A
Other languages
English (en)
Other versions
NO324116B1 (no
NO20025429D0 (no
Inventor
Carel W J Hoyer
Peter R Everitt
Robert A Graham
Adrian Steiner
Original Assignee
Northland Energy Corp
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 Northland Energy Corp filed Critical Northland Energy Corp
Publication of NO20025429L publication Critical patent/NO20025429L/no
Publication of NO20025429D0 publication Critical patent/NO20025429D0/no
Publication of NO324116B1 publication Critical patent/NO324116B1/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
    • E21B21/08—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Branch Pipes, Bends, And The Like (AREA)
  • Secondary Cells (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
NO20025429A 2001-04-18 2002-11-13 Fremgangsmate for dynamisk regulering av bunnhullssirkulasjonstrykket i et bronnhull NO324116B1 (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA002344627A CA2344627C (en) 2001-04-18 2001-04-18 Method of dynamically controlling bottom hole circulating pressure in a wellbore
PCT/CA2002/000484 WO2002084067A1 (en) 2001-04-18 2002-04-09 Method of dynamically controlling bottom hole circulation pressure in a wellbore

Publications (3)

Publication Number Publication Date
NO20025429L true NO20025429L (no) 2002-11-13
NO20025429D0 NO20025429D0 (no) 2002-11-13
NO324116B1 NO324116B1 (no) 2007-08-27

Family

ID=4168868

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20025429A NO324116B1 (no) 2001-04-18 2002-11-13 Fremgangsmate for dynamisk regulering av bunnhullssirkulasjonstrykket i et bronnhull

Country Status (5)

Country Link
US (1) US6607042B2 (no)
CA (1) CA2344627C (no)
GB (1) GB2381018B (no)
NO (1) NO324116B1 (no)
WO (1) WO2002084067A1 (no)

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Also Published As

Publication number Publication date
GB2381018A (en) 2003-04-23
NO324116B1 (no) 2007-08-27
NO20025429D0 (no) 2002-11-13
CA2344627C (en) 2007-08-07
CA2344627A1 (en) 2002-10-18
GB0219559D0 (en) 2002-10-02
WO2002084067A1 (en) 2002-10-24
US20020170749A1 (en) 2002-11-21
US6607042B2 (en) 2003-08-19
GB2381018B (en) 2004-04-28

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