NO943855D0 - Trykkforsterker (I) - Google Patents

Trykkforsterker (I)

Info

Publication number
NO943855D0
NO943855D0 NO943855A NO943855A NO943855D0 NO 943855 D0 NO943855 D0 NO 943855D0 NO 943855 A NO943855 A NO 943855A NO 943855 A NO943855 A NO 943855A NO 943855 D0 NO943855 D0 NO 943855D0
Authority
NO
Norway
Prior art keywords
pressure amplifier
amplifier
pressure
Prior art date
Application number
NO943855A
Other languages
English (en)
Other versions
NO179878C (no
NO943855L (no
NO179878B (no
Inventor
Nils Ing Nilsen
Original Assignee
Norske Stats Oljeselskap
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 Norske Stats Oljeselskap filed Critical Norske Stats Oljeselskap
Priority to NO943855A priority Critical patent/NO179878C/no
Publication of NO943855D0 publication Critical patent/NO943855D0/no
Priority to US08/809,726 priority patent/US5934392A/en
Priority to AU37567/95A priority patent/AU3756795A/en
Priority to EP95935623A priority patent/EP0784730A1/en
Priority to PCT/NO1995/000176 priority patent/WO1996012081A1/en
Publication of NO943855L publication Critical patent/NO943855L/no
Publication of NO179878B publication Critical patent/NO179878B/no
Publication of NO179878C publication Critical patent/NO179878C/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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/18—Drilling by liquid or gas jets, with or without entrained pellets
NO943855A 1994-10-12 1994-10-12 Trykkforsterker (I) NO179878C (no)

Priority Applications (5)

Application Number Priority Date Filing Date Title
NO943855A NO179878C (no) 1994-10-12 1994-10-12 Trykkforsterker (I)
US08/809,726 US5934392A (en) 1994-10-12 1995-10-03 Pressure converter
AU37567/95A AU3756795A (en) 1994-10-12 1995-10-03 Pressure converter
EP95935623A EP0784730A1 (en) 1994-10-12 1995-10-03 Pressure converter
PCT/NO1995/000176 WO1996012081A1 (en) 1994-10-12 1995-10-03 Pressure converter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO943855A NO179878C (no) 1994-10-12 1994-10-12 Trykkforsterker (I)

Publications (4)

Publication Number Publication Date
NO943855D0 true NO943855D0 (no) 1994-10-12
NO943855L NO943855L (no) 1996-04-15
NO179878B NO179878B (no) 1996-09-23
NO179878C NO179878C (no) 1997-01-08

Family

ID=19897495

Family Applications (1)

Application Number Title Priority Date Filing Date
NO943855A NO179878C (no) 1994-10-12 1994-10-12 Trykkforsterker (I)

Country Status (5)

Country Link
US (1) US5934392A (no)
EP (1) EP0784730A1 (no)
AU (1) AU3756795A (no)
NO (1) NO179878C (no)
WO (1) WO1996012081A1 (no)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008038856A (ja) * 2006-08-10 2008-02-21 Toyota Industries Corp 可変容量型圧縮機用制御弁

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4047581A (en) * 1976-12-01 1977-09-13 Kobe, Inc. Multistage, downhole, turbo-powered intensifier for drilling petroleum wells
GB8806465D0 (en) * 1988-03-18 1988-04-20 Intech Oil Tools Ltd Flow pulsing apparatus for down-hole drilling equipment
GB8806506D0 (en) * 1988-03-18 1988-04-20 Pilot Drilling Control Ltd Drilling apparatus
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
GB2264967B (en) * 1990-11-19 1995-04-05 Norske Stats Oljeselskap Pressure converter group
BR9107022A (pt) * 1990-11-19 1993-08-17 Norske Stats Oljeselskap Conversor de pressao
EP0661459A1 (en) * 1993-12-31 1995-07-05 Nowsco Well Service Ltd. Hydraulic pressure intensifier for drilling wells
US5632604A (en) * 1994-12-14 1997-05-27 Milmac Down hole pressure pump
CA2228477A1 (en) * 1995-08-03 1997-02-20 Douglas P. Kelley Down hole pressure intensifier and drilling assembly and method

Also Published As

Publication number Publication date
US5934392A (en) 1999-08-10
EP0784730A1 (en) 1997-07-23
NO179878C (no) 1997-01-08
NO943855L (no) 1996-04-15
AU3756795A (en) 1996-05-06
NO179878B (no) 1996-09-23
WO1996012081A1 (en) 1996-04-25

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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