NO20025881D0 - Fremgangsmåte og anordning for flergradient-boring - Google Patents

Fremgangsmåte og anordning for flergradient-boring

Info

Publication number
NO20025881D0
NO20025881D0 NO20025881A NO20025881A NO20025881D0 NO 20025881 D0 NO20025881 D0 NO 20025881D0 NO 20025881 A NO20025881 A NO 20025881A NO 20025881 A NO20025881 A NO 20025881A NO 20025881 D0 NO20025881 D0 NO 20025881D0
Authority
NO
Norway
Prior art keywords
gradient drilling
drilling
gradient
Prior art date
Application number
NO20025881A
Other languages
English (en)
Other versions
NO20025881L (no
Inventor
William C Maurer
Jr George H Medley
William J Mcdonald
Original Assignee
Maurer Technology Inc
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 Maurer Technology Inc filed Critical Maurer Technology Inc
Publication of NO20025881D0 publication Critical patent/NO20025881D0/no
Publication of NO20025881L publication Critical patent/NO20025881L/no

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B21/00Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/08Controlling or monitoring pressure or flow of drilling fluid, e.g. automatic filling of boreholes, automatic control of bottom pressure
    • E21B21/082Dual gradient systems, i.e. using two hydrostatic gradients or drilling fluid densities
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B21/00Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/001Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor specially adapted for underwater drilling

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
NO20025881A 2000-06-08 2002-12-06 Fremgangsmåte og system for flergradient-boring NO20025881L (no)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US21041900P 2000-06-08 2000-06-08
US09/874,179 US6530437B2 (en) 2000-06-08 2001-06-05 Multi-gradient drilling method and system
PCT/US2001/018493 WO2001094740A1 (en) 2000-06-08 2001-06-08 Multi-gradient drilling method and system

Publications (2)

Publication Number Publication Date
NO20025881D0 true NO20025881D0 (no) 2002-12-06
NO20025881L NO20025881L (no) 2003-01-20

Family

ID=26905135

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20025881A NO20025881L (no) 2000-06-08 2002-12-06 Fremgangsmåte og system for flergradient-boring

Country Status (9)

Country Link
US (1) US6530437B2 (no)
CN (1) CN1446286A (no)
AU (2) AU7537001A (no)
BR (1) BR0111542A (no)
CA (1) CA2412417A1 (no)
MX (1) MXPA02012188A (no)
NO (1) NO20025881L (no)
OA (1) OA12281A (no)
WO (1) WO2001094740A1 (no)

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CN105178897B (zh) * 2015-10-10 2018-03-30 中国石油集团川庆钻探工程有限公司 一种气体钻井地面管汇连接结构
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Also Published As

Publication number Publication date
AU7537001A (en) 2001-12-17
OA12281A (en) 2006-05-11
CA2412417A1 (en) 2001-12-13
WO2001094740A1 (en) 2001-12-13
BR0111542A (pt) 2003-07-01
MXPA02012188A (es) 2003-08-20
AU2001275370B2 (en) 2005-08-11
CN1446286A (zh) 2003-10-01
US6530437B2 (en) 2003-03-11
NO20025881L (no) 2003-01-20
US20020011338A1 (en) 2002-01-31

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