NO802202L - Aktivator. - Google Patents

Aktivator.

Info

Publication number: NO802202L
Authority: NO; Norway
Prior art keywords: piston; mandrel; housing; pressure; tubular
Prior art date: 1979-07-23

Application number

NO802202A

Other languages

English (en)

Norwegian (no)

Inventor

John Victor Fredd

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.)

1979-07-23

Filing date

1980-07-22

Publication date

1981-01-26

1980-07-22 Application filed by Otis Eng Co filed Critical Otis Eng Co

1981-01-26 Publication of NO802202L publication Critical patent/NO802202L/no

Links

238000007789 sealing Methods 0.000 claims description 24
239000012530 fluid Substances 0.000 claims description 23
238000012856 packing Methods 0.000 claims description 5
230000007423 decrease Effects 0.000 claims 1
238000004519 manufacturing process Methods 0.000 description 5
238000012360 testing method Methods 0.000 description 5
230000015572 biosynthetic process Effects 0.000 description 4
210000002445 nipple Anatomy 0.000 description 3
230000003068 static effect Effects 0.000 description 3
238000012546 transfer Methods 0.000 description 3
238000006243 chemical reaction Methods 0.000 description 2
238000010276 construction Methods 0.000 description 2
238000000034 method Methods 0.000 description 2
239000000523 sample Substances 0.000 description 2
238000004891 communication Methods 0.000 description 1
239000000945 filler Substances 0.000 description 1
238000007654 immersion Methods 0.000 description 1
239000000463 material Substances 0.000 description 1
238000000926 separation method Methods 0.000 description 1
230000000007 visual effect Effects 0.000 description 1

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

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)
Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Actuator (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)

NO802202A 1979-07-23 1980-07-22 Aktivator. NO802202L (no)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US06/059,666 US4252188A (en)	1979-07-23	1979-07-23	Actuator

Publications (1)

Publication Number	Publication Date
NO802202L true NO802202L (no)	1981-01-26

Family

ID=22024444

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO802202A NO802202L (no)	1979-07-23	1980-07-22	Aktivator.

Country Status (6)

Country	Link
US (1)	US4252188A (da)
EP (1)	EP0023113B1 (da)
AU (1)	AU532339B2 (da)
CA (1)	CA1136037A (da)
DK (1)	DK315780A (da)
NO (1)	NO802202L (da)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4252195A (en) *	1979-07-26	1981-02-24	Otis Engineering Corporation	Well test systems and methods
US4467867A (en) *	1982-07-06	1984-08-28	Baker Oil Tools, Inc.	Subterranean well safety valve with reference pressure chamber
US4618000A (en) *	1985-02-08	1986-10-21	Halliburton Company	Pump open safety valve and method of use
FR2588915B1 (fr) *	1985-10-18	1988-03-18	Flopetrol	Outil d'obturation de la colonne de production d'un puits
GB2231069B (en) *	1989-04-28	1993-03-03	Exploration & Prod Serv	Valves
CN112523734A (zh) *	2020-09-14	2021-03-19	中国石油集团渤海钻探工程有限公司	以封隔器为底封的油管拖动压裂管柱及压裂方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2619179A (en) *	1948-10-07	1952-11-25	Arthur L Armentrout	Circulating unit and actuator therefor
US2965175A (en) *	1949-06-25	1960-12-20	Dailey Oil Tools Inc	Pipe puller
US2747673A (en) *	1952-10-23	1956-05-29	Richard R Lawrence	Pulling tool
US3896876A (en) *	1972-07-28	1975-07-29	Baker Oil Tools Inc	Subsurface tubing safety valve with auxiliary operating means
US3820599A (en) *	1972-09-01	1974-06-28	Rockwell Mfg Co	Circulation apparatus
US3850250A (en) *	1972-09-11	1974-11-26	Halliburton Co	Wellbore circulating valve
US3818987A (en) *	1972-11-17	1974-06-25	Dresser Ind	Well packer and retriever
US4050512A (en) *	1976-07-06	1977-09-27	Bj-Hughes Inc.	Stroke actuated well testing tool
US4113012A (en) *	1977-10-27	1978-09-12	Halliburton Company	Reclosable circulation valve for use in oil well testing
US4149593A (en) *	1977-12-27	1979-04-17	Otis Engineering Corporation	Well testing tool system

1979
- 1979-07-23 US US06/059,666 patent/US4252188A/en not_active Expired - Lifetime
1980
- 1980-04-30 CA CA000350942A patent/CA1136037A/en not_active Expired
- 1980-05-07 AU AU58187/80A patent/AU532339B2/en not_active Ceased
- 1980-07-10 EP EP80302334A patent/EP0023113B1/en not_active Expired
- 1980-07-22 DK DK315780A patent/DK315780A/da not_active Application Discontinuation
- 1980-07-22 NO NO802202A patent/NO802202L/no unknown

Also Published As

Publication number	Publication date
AU5818780A (en)	1981-01-29
EP0023113A1 (en)	1981-01-28
AU532339B2 (en)	1983-09-29
DK315780A (da)	1981-01-24
CA1136037A (en)	1982-11-23
EP0023113B1 (en)	1984-01-25
US4252188A (en)	1981-02-24

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