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
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)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NO943858A NO179880C (no) | 1994-10-12 | 1994-10-12 | Trykkforsterker (II) |
| US08/809,992 US5890547A (en) | 1994-10-12 | 1995-10-04 | Pressure converter |
| PCT/NO1995/000178 WO1996012082A1 (en) | 1994-10-12 | 1995-10-04 | Pressure converter |
| AU37112/95A AU3711295A (en) | 1994-10-12 | 1995-10-04 | Pressure converter |
| EP95934894A EP0793762A1 (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)
| 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)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1142478A (en) * | 1912-02-03 | 1915-06-08 | Ingersoll Rand Co | Percussive tool. |
| 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 |
| AU9033991A (en) * | 1990-11-19 | 1992-06-11 | Den Norske Stats Oljeselskap A.S. | Converter group and pressure converter for use therein |
| 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 |
-
1994
- 1994-10-12 NO NO943858A patent/NO179880C/no not_active IP Right Cessation
-
1995
- 1995-10-04 EP EP95934894A patent/EP0793762A1/en not_active Withdrawn
- 1995-10-04 WO PCT/NO1995/000178 patent/WO1996012082A1/en not_active Application Discontinuation
- 1995-10-04 AU AU37112/95A patent/AU3711295A/en not_active Abandoned
- 1995-10-04 US US08/809,992 patent/US5890547A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| AU3711295A (en) | 1996-05-06 |
| NO179880B (no) | 1996-09-23 |
| NO179880C (no) | 1997-01-08 |
| WO1996012082A1 (en) | 1996-04-25 |
| US5890547A (en) | 1999-04-06 |
| EP0793762A1 (en) | 1997-09-10 |
| NO943858D0 (no) | 1994-10-12 |
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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 |