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NO943857D0 - Trykkforsterker (III) - Google Patents

Trykkforsterker (III)

Info

Publication number
NO943857D0
NO943857D0 NO943857A NO943857A NO943857D0 NO 943857 D0 NO943857 D0 NO 943857D0 NO 943857 A NO943857 A NO 943857A NO 943857 A NO943857 A NO 943857A NO 943857 D0 NO943857 D0 NO 943857D0
Authority
NO
Norway
Prior art keywords
iii
pressure amplifier
amplifier
pressure
Prior art date
Application number
NO943857A
Other languages
English (en)
Other versions
NO179879C (no
NO179879B (no
NO943857L (no
Inventor
Nils Inge 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 NO943857A priority Critical patent/NO179879C/no
Publication of NO943857D0 publication Critical patent/NO943857D0/no
Priority to AU37113/95A priority patent/AU3711395A/en
Priority to EP95934895A priority patent/EP0784729A1/en
Priority to US08/817,087 priority patent/US5924498A/en
Priority to PCT/NO1995/000179 priority patent/WO1996012083A1/en
Publication of NO943857L publication Critical patent/NO943857L/no
Publication of NO179879B publication Critical patent/NO179879B/no
Publication of NO179879C publication Critical patent/NO179879C/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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/18—Drilling by liquid or gas jets, with or without entrained pellets

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Hydraulic Motors (AREA)
NO943857A 1994-10-12 1994-10-12 Trykkforsterker (III) NO179879C (no)

Priority Applications (5)

Application Number Priority Date Filing Date Title
NO943857A NO179879C (no) 1994-10-12 1994-10-12 Trykkforsterker (III)
AU37113/95A AU3711395A (en) 1994-10-12 1995-10-05 Pressure converter iii
EP95934895A EP0784729A1 (en) 1994-10-12 1995-10-05 Pressure converter iii
US08/817,087 US5924498A (en) 1994-10-12 1995-10-05 Pressure converter III
PCT/NO1995/000179 WO1996012083A1 (en) 1994-10-12 1995-10-05 Pressure converter iii

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO943857A NO179879C (no) 1994-10-12 1994-10-12 Trykkforsterker (III)

Publications (4)

Publication Number Publication Date
NO943857D0 true NO943857D0 (no) 1994-10-12
NO943857L NO943857L (no) 1996-04-15
NO179879B NO179879B (no) 1996-09-23
NO179879C NO179879C (no) 1997-01-08

Family

ID=19897496

Family Applications (1)

Application Number Title Priority Date Filing Date
NO943857A NO179879C (no) 1994-10-12 1994-10-12 Trykkforsterker (III)

Country Status (5)

Country Link
US (1) US5924498A (no)
EP (1) EP0784729A1 (no)
AU (1) AU3711395A (no)
NO (1) NO179879C (no)
WO (1) WO1996012083A1 (no)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6557647B2 (en) * 2000-05-30 2003-05-06 American Piledriving Equipment, Inc. Impact hammer systems and methods
WO2010138751A2 (en) 2009-05-27 2010-12-02 American Piledriving Equipment, Inc. Helmet adapter for pile drivers
US10273646B2 (en) 2015-12-14 2019-04-30 American Piledriving Equipment, Inc. Guide systems and methods for diesel hammers
US10538892B2 (en) 2016-06-30 2020-01-21 American Piledriving Equipment, Inc. Hydraulic impact hammer systems and methods
CN107939317B (zh) * 2017-11-27 2020-12-08 山东省邱集煤矿有限公司 水文孔清孔装置及使用方法
US12129623B2 (en) 2021-03-31 2024-10-29 American Piledriving Equipment, Inc. Segmented ram systems and methods for hydraulic impact hammers

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3319723A (en) * 1965-04-01 1967-05-16 Ingersoll Rand Co Axial piston pulse generator
US3951217A (en) * 1974-09-03 1976-04-20 Chicago Pneumatic Tool Company Impact air wrench having a two position pressure regulator
US5217079A (en) * 1987-05-05 1993-06-08 Cooper Industries, Inc. Hydro-impulse screwing device
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
US4854395A (en) * 1988-06-16 1989-08-08 Central Mine Equipment Company Hydraulic kelly bar chuck
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
CN2080099U (zh) * 1990-09-15 1991-07-03 党治国 柱塞滑阀高效气动冲击机构
US5231902A (en) * 1991-06-10 1993-08-03 Hitachi Koki Co. Ltd. Pneumatically operated screw driver
EP0661459A1 (en) * 1993-12-31 1995-07-05 Nowsco Well Service Ltd. Hydraulic pressure intensifier for drilling wells
EP0675233B1 (en) * 1992-08-19 1998-12-16 Aktsionernoe Obschestvo Zakrytogo Tipa "Rossiiskaya Patentovannaya Tekhnika" (Ropat) Hydraulic pile driver
FR2699229B1 (fr) * 1992-12-11 1995-03-10 Poclain Hydraulics Sa Groupe moteur hydraulique d'entraînement d'un outil de forage.

Also Published As

Publication number Publication date
NO179879C (no) 1997-01-08
WO1996012083A1 (en) 1996-04-25
NO179879B (no) 1996-09-23
EP0784729A1 (en) 1997-07-23
AU3711395A (en) 1996-05-06
NO943857L (no) 1996-04-15
US5924498A (en) 1999-07-20

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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