BR9107022A - Conversor de pressao - Google Patents

Conversor de pressao

Info

Publication number: BR9107022A
Authority: BR; Brazil
Prior art keywords: pressure converter; converter; pressure
Prior art date: 1990-11-19

Application number

BR919107022A

Other languages

English (en)

Inventor

Knut V Horvei

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.)

1990-11-19

Filing date

1991-11-04

Publication date

1993-08-17

1990-11-19 Priority claimed from NO904989A external-priority patent/NO171322C/no

1990-11-19 Priority claimed from NO904990A external-priority patent/NO171323C/no

1991-11-04 Application filed by Norske Stats Oljeselskap filed Critical Norske Stats Oljeselskap

1993-08-17 Publication of BR9107022A publication Critical patent/BR9107022A/pt

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)
Earth Drilling (AREA)

BR919107022A 1990-11-19 1991-11-04 Conversor de pressao BR9107022A (pt)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
NO904989A NO171322C (no)	1990-11-19	1990-11-19	Trykkforsterker
NO904990A NO171323C (no)	1990-11-19	1990-11-19	Trykkforsterker
PCT/NO1991/000134 WO1992008871A1 (en)	1990-11-19	1991-11-04	Pressure converter

Publications (1)

Publication Number	Publication Date
BR9107022A true BR9107022A (pt)	1993-08-17

Family

ID=26648249

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BR919107022A BR9107022A (pt)	1990-11-19	1991-11-04	Conversor de pressao

Country Status (6)

Country	Link
US (1)	US5361857A (pt)
AU (1)	AU8934691A (pt)
BR (1)	BR9107022A (pt)
CA (1)	CA2096434A1 (pt)
GB (1)	GB2266549B (pt)
WO (1)	WO1992008871A1 (pt)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NO179880C (no) *	1994-10-12	1997-01-08	Statoil As	Trykkforsterker (II)
NO179878C (no) *	1994-10-12	1997-01-08	Statoil As	Trykkforsterker (I)
NO300232B1 (no) *	1995-03-31	1997-04-28	Norske Stats Oljeselskap	Trykkforsterker (A)
NO300231B1 (no) *	1995-03-31	1997-04-28	Norske Stats Oljeselskap	Trykkforsterker (B)
US6289998B1 (en)	1998-01-08	2001-09-18	Baker Hughes Incorporated	Downhole tool including pressure intensifier for drilling wellbores
US6073708A (en) *	1998-07-29	2000-06-13	Dynamo Drilling Services Inc.	Downhole mud pressure intensifier

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1698343A (en) *	1927-07-13	1929-01-08	Samuel E Mortimer	Combined drill and hole cleaner
US3112800A (en) *	1959-08-28	1963-12-03	Phillips Petroleum Co	Method of drilling with high velocity jet cutter rock bit
US3927723A (en) *	1971-06-16	1975-12-23	Exotech	Apparatus for drilling holes utilizing pulsed jets of liquid charge material
US3893525A (en) *	1973-10-04	1975-07-08	Drill Au Mation Inc	Drilling control transfer systems
US3897836A (en) *	1973-10-18	1975-08-05	Exotech	Apparatus for boring through earth formations
US4047581A (en) *	1976-12-01	1977-09-13	Kobe, Inc.	Multistage, downhole, turbo-powered intensifier for drilling petroleum wells
US4200158A (en) *	1978-03-03	1980-04-29	Lee E. Perkins	Fluid retarded accelerating jar with negative and positive pressure chambers
US4187918A (en) *	1978-06-12	1980-02-12	Wallace Clark	Down-hole earth drilling motor capable of free circulation
US4253530A (en) *	1979-10-09	1981-03-03	Dresser Industries, Inc.	Method and system for circulating a gas bubble from a well
SE8104328L (sv) *	1981-07-13	1983-01-14	Nyman Karl Erik	Hydraulisk senkborrmaskin
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

1991
- 1991-11-04 WO PCT/NO1991/000134 patent/WO1992008871A1/en not_active Ceased
- 1991-11-04 AU AU89346/91A patent/AU8934691A/en not_active Abandoned
- 1991-11-04 CA CA002096434A patent/CA2096434A1/en not_active Abandoned
- 1991-11-04 US US08/050,445 patent/US5361857A/en not_active Expired - Fee Related
- 1991-11-04 BR BR919107022A patent/BR9107022A/pt not_active Application Discontinuation
1993
- 1993-05-17 GB GB9310154A patent/GB2266549B/en not_active Expired - Fee Related

Also Published As

Publication number	Publication date
GB9310154D0 (en)	1993-07-28
US5361857A (en)	1994-11-08
AU8934691A (en)	1992-06-11
GB2266549B (en)	1995-04-05
GB2266549A (en)	1993-11-03
WO1992008871A1 (en)	1992-05-29
CA2096434A1 (en)	1992-05-20

Publication	Publication Date	Title
DE69528657D1 (de)	2002-11-28	Differenzdruckwandler
DE69209493D1 (de)	1996-05-02	Kapazitiver Druckwandler
DE69213904D1 (de)	1996-10-24	Kapazitiver Druckwandler
BR9103485A (pt)	1992-05-12	Botao de pressao
DE69118059D1 (de)	1996-04-25	Kinofilm-zu-Video-Umwandlung
DE69006925D1 (de)	1994-04-07	Hochdruckwandler.
DE69427776D1 (de)	2001-08-23	Elektromagnetisch-akustischer wandler
DE69521972D1 (de)	2001-09-06	Umrichtergerät
NO933711D0 (no)	1993-10-15	Boelgeenergi-omformer
NO971143D0 (no)	1997-03-12	Ultralyd-stempelomformer
GB2264967B (en)	1995-04-05	Pressure converter group
BR9607910A (pt)	1998-06-09	Conversor de pressão
BR9107022A (pt)	1993-08-17	Conversor de pressao
DE69425437D1 (de)	2000-09-07	Restdruckwandler
NO910601D0 (no)	1991-02-14	To-celle laserraman-omformer.
DE69033255D1 (de)	1999-09-23	Opto-optischer Wandler
BR9607921A (pt)	1998-06-09	Conversor de pressão
DE69309062D1 (de)	1997-04-24	Blutdruck-wandler
NO904989D0 (no)	1990-11-19	Trykkomformer.
FI911217A7 (fi)	1991-09-14	Paineside
KR940023666U (ko)	1994-10-22	주파수 변환기
DE59009460D1 (de)	1995-09-07	CMOS-ECL-Wandler.
NO904990L (no)	1992-05-20	Trykkomformer.
NO904991L (no)	1992-05-20	Trykkomformer.
DE59405848D1 (de)	1998-06-04	Drehzahl-druckwandler

Legal Events

Date	Code	Title	Description
1997-11-04	FF	Decision: intention to grant
1999-06-22	FA11	Dismissal: dismissal - article 38, par. 2 of industrial property law