NO943858L - Trykkforsterker (II) - Google Patents

Trykkforsterker (II)

Info

Publication number
NO943858L
NO943858L NO943858A NO943858A NO943858L NO 943858 L NO943858 L NO 943858L NO 943858 A NO943858 A NO 943858A NO 943858 A NO943858 A NO 943858A NO 943858 L NO943858 L NO 943858L
Authority
NO
Norway
Prior art keywords
pressure amplifier
amplifier
pressure
Prior art date
Application number
NO943858A
Other languages
English (en)
Other versions
NO943858D0 (no
NO179880B (no
NO179880C (no
Inventor
Nils Inge Nilsen
Original Assignee
Statoil As
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 Statoil As filed Critical Statoil As
Priority to NO943858A priority Critical patent/NO179880C/no
Publication of NO943858D0 publication Critical patent/NO943858D0/no
Priority to PCT/NO1995/000178 priority patent/WO1996012082A1/en
Priority to US08/809,992 priority patent/US5890547A/en
Priority to EP95934894A priority patent/EP0793762A1/en
Priority to AU37112/95A priority patent/AU3711295A/en
Publication of NO943858L publication Critical patent/NO943858L/no
Publication of NO179880B publication Critical patent/NO179880B/no
Publication of NO179880C publication Critical patent/NO179880C/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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/18—Drilling by liquid or gas jets, with or without entrained pellets

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)
  • Actuator (AREA)
  • Vehicle Body Suspensions (AREA)
NO943858A 1994-10-12 1994-10-12 Trykkforsterker (II) NO179880C (no)

Priority Applications (5)

Application Number Priority Date Filing Date Title
NO943858A NO179880C (no) 1994-10-12 1994-10-12 Trykkforsterker (II)
PCT/NO1995/000178 WO1996012082A1 (en) 1994-10-12 1995-10-04 Pressure converter
US08/809,992 US5890547A (en) 1994-10-12 1995-10-04 Pressure converter
EP95934894A EP0793762A1 (en) 1994-10-12 1995-10-04 Pressure converter
AU37112/95A AU3711295A (en) 1994-10-12 1995-10-04 Pressure converter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO943858A NO179880C (no) 1994-10-12 1994-10-12 Trykkforsterker (II)

Publications (4)

Publication Number Publication Date
NO943858D0 NO943858D0 (no) 1994-10-12
NO943858L true NO943858L (no) 1996-04-15
NO179880B NO179880B (no) 1996-09-23
NO179880C NO179880C (no) 1997-01-08

Family

ID=19897497

Family Applications (1)

Application Number Title Priority Date Filing Date
NO943858A NO179880C (no) 1994-10-12 1994-10-12 Trykkforsterker (II)

Country Status (5)

Country Link
US (1) US5890547A (no)
EP (1) EP0793762A1 (no)
AU (1) AU3711295A (no)
NO (1) NO179880C (no)
WO (1) WO1996012082A1 (no)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6289998B1 (en) * 1998-01-08 2001-09-18 Baker Hughes Incorporated Downhole tool including pressure intensifier for drilling wellbores
CN101545358B (zh) * 2009-04-29 2012-10-03 西南石油大学 气体钻井降冲蚀系统

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1142478A (en) * 1912-02-03 1915-06-08 Ingersoll Rand Co Percussive tool.
GB8806506D0 (en) * 1988-03-18 1988-04-20 Pilot Drilling Control Ltd Drilling apparatus
GB8806465D0 (en) * 1988-03-18 1988-04-20 Intech Oil Tools Ltd Flow pulsing apparatus for down-hole drilling equipment
NO169088C (no) * 1989-11-08 1992-05-06 Norske Stats Oljeselskap Trykkforsterker for montering ovenfor borkronen ved den nedre ende av et boreroer for dypboring, samt trykkforsterkergruppe omfattende et flertall slike trykkforsterkere
WO1992008872A1 (en) * 1990-11-19 1992-05-29 Den Norske Stats Oljeselskap A.S Converter group and pressure converter for use therein
WO1992008871A1 (en) * 1990-11-19 1992-05-29 Den Norske Stats Oljeselskap A.S Pressure converter
EP0661459A1 (en) * 1993-12-31 1995-07-05 Nowsco Well Service Ltd. Hydraulic pressure intensifier for drilling wells

Also Published As

Publication number Publication date
NO943858D0 (no) 1994-10-12
NO179880B (no) 1996-09-23
AU3711295A (en) 1996-05-06
EP0793762A1 (en) 1997-09-10
WO1996012082A1 (en) 1996-04-25
NO179880C (no) 1997-01-08
US5890547A (en) 1999-04-06

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Legal Events

Date Code Title Description
MM1K Lapsed by not paying the annual fees

Free format text: LAPSED IN APRIL 2001