NO891307L - Fjernstyrt sikkerhetsventil. - Google Patents

Fjernstyrt sikkerhetsventil.

Info

Publication number: NO891307L
Authority: NO; Norway
Prior art keywords: control valve; remote control; remote; valve; control
Prior art date: 1988-05-06

Application number

NO89891307A

Other languages

English (en)

Other versions

NO891307D0 (no

NO179420C (no

NO179420B (no

Inventor

Rennie L Dickson

Roddie R Smith

Original Assignee

Otis Eng Co

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.)

1988-05-06

Filing date

1989-03-29

Publication date

1989-11-07

1989-03-29 Application filed by Otis Eng Co filed Critical Otis Eng Co

1989-03-29 Publication of NO891307D0 publication Critical patent/NO891307D0/no

1989-11-07 Publication of NO891307L publication Critical patent/NO891307L/no

1996-06-24 Publication of NO179420B publication Critical patent/NO179420B/no

1996-10-02 Publication of NO179420C publication Critical patent/NO179420C/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
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/06—Valve arrangements for boreholes or wells in wells
- E21B34/10—Valve arrangements for boreholes or wells in wells operated by control fluid supplied from outside the borehole
- 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
- E21B2200/00—Special features related to earth drilling for obtaining oil, gas or water
- E21B2200/05—Flapper valves

Landscapes

Geology (AREA)
Life Sciences & Earth Sciences (AREA)
Engineering & Computer Science (AREA)
Mining & Mineral Resources (AREA)
Environmental & Geological Engineering (AREA)
Fluid Mechanics (AREA)
Physics & Mathematics (AREA)
General Life Sciences & Earth Sciences (AREA)
Geochemistry & Mineralogy (AREA)
Lift Valve (AREA)
Details Of Valves (AREA)
Steering Control In Accordance With Driving Conditions (AREA)
Magnetically Actuated Valves (AREA)
Superconductors And Manufacturing Methods Therefor (AREA)

NO891307A 1988-05-06 1989-03-29 Overflatestyrt brönnsikringsventil NO179420C (no)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US19118588A	1988-05-06	1988-05-06

Publications (4)

Publication Number	Publication Date
NO891307D0 NO891307D0 (no)	1989-03-29
NO891307L true NO891307L (no)	1989-11-07
NO179420B NO179420B (no)	1996-06-24
NO179420C NO179420C (no)	1996-10-02

Family

ID=22704459

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO891307A NO179420C (no)	1988-05-06	1989-03-29	Overflatestyrt brönnsikringsventil

Country Status (5)

Country	Link
BR (1)	BR8902482A (no)
CA (1)	CA1317280C (no)
GB (1)	GB2218133B (no)
NO (1)	NO179420C (no)
SG (1)	SG42892G (no)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
BR9810916A (pt) *	1997-07-18	2000-08-15	Dresser Ind	Atuador de fluido aperfeiçoado, ferramenta para furo de sondagem, e, válvula de segurança para sub-superfìcie
WO2020242446A1 (en)	2019-05-24	2020-12-03	Halliburton Energy Services, Inc.	A-sub-surface safety valve assembly

1989
- 1989-03-29 NO NO891307A patent/NO179420C/no not_active IP Right Cessation
- 1989-04-03 GB GB8907435A patent/GB2218133B/en not_active Expired - Fee Related
- 1989-04-07 CA CA000596142A patent/CA1317280C/en not_active Expired - Fee Related
- 1989-05-03 BR BR898902482A patent/BR8902482A/pt unknown
1992
- 1992-04-21 SG SG42892A patent/SG42892G/en unknown

Also Published As

Publication number	Publication date
NO891307D0 (no)	1989-03-29
NO179420C (no)	1996-10-02
GB2218133A (en)	1989-11-08
BR8902482A (pt)	1990-01-16
NO179420B (no)	1996-06-24
CA1317280C (en)	1993-05-04
SG42892G (en)	1992-06-12
GB8907435D0 (en)	1989-05-17
GB2218133B (en)	1992-01-22

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Legal Events

Date	Code	Title	Description
2003-10-27	MM1K	Lapsed by not paying the annual fees	Free format text: LAPSED IN SEPTEMBER 2003