CA1277230C - Outil d'isolement pour tete de forage - Google Patents

Outil d'isolement pour tete de forage

Info

Publication number: CA1277230C
Authority: CA; Canada
Prior art keywords: mandrel; wellhead; cylinder; tool; stage
Prior art date: 1988-12-01
Legal status (The legal status 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 status listed.): Expired - Fee Related

Application number

CA 584719

Other languages

English (en)

Inventor

Roderick D. Mcleod

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Canadian Fracmaster Ltd

Original Assignee

Canadian Fracmaster Ltd

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.)

1988-12-01

Filing date

1988-12-01

Publication date

1990-12-04

1988-12-01 Application filed by Canadian Fracmaster Ltd filed Critical Canadian Fracmaster Ltd

1988-12-01 Priority to CA 584719 priority Critical patent/CA1277230C/fr

1990-12-04 Application granted granted Critical

1990-12-04 Publication of CA1277230C publication Critical patent/CA1277230C/fr

2008-12-01 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

238000002955 isolation Methods 0.000 title claims abstract description 11
210000002445 nipple Anatomy 0.000 description 15
239000012530 fluid Substances 0.000 description 14
238000007789 sealing Methods 0.000 description 13
KJLPSBMDOIVXSN-UHFFFAOYSA-N 4-[4-[2-[4-(3,4-dicarboxyphenoxy)phenyl]propan-2-yl]phenoxy]phthalic acid Chemical compound C=1C=C(OC=2C=C(C(C(O)=O)=CC=2)C(O)=O)C=CC=1C(C)(C)C(C=C1)=CC=C1OC1=CC=C(C(O)=O)C(C(O)=O)=C1 KJLPSBMDOIVXSN-UHFFFAOYSA-N 0.000 description 7
230000009471 action Effects 0.000 description 4
230000000452 restraining effect Effects 0.000 description 4
230000007246 mechanism Effects 0.000 description 3
238000000034 method Methods 0.000 description 3
239000003566 sealing material Substances 0.000 description 3
241001052209 Cylinder Species 0.000 description 1
241000282320 Panthera leo Species 0.000 description 1
229910000831 Steel Inorganic materials 0.000 description 1
238000004891 communication Methods 0.000 description 1
230000006872 improvement Effects 0.000 description 1
238000003780 insertion Methods 0.000 description 1
230000037431 insertion Effects 0.000 description 1
238000012856 packing Methods 0.000 description 1
230000008569 process Effects 0.000 description 1
239000007787 solid Substances 0.000 description 1
239000010959 steel Substances 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
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
- E21B33/068—Well heads; Setting-up thereof having provision for introducing objects or fluids into, or removing objects from, wells
- 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
- E21B17/1007—Wear protectors; Centralising devices, e.g. stabilisers for the internal surface of a pipe, e.g. wear bushings for underwater well-heads

Landscapes

Engineering & Computer Science (AREA)
Life Sciences & Earth Sciences (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)
Mechanical Engineering (AREA)
Earth Drilling (AREA)

CA 584719 1988-12-01 1988-12-01 Outil d'isolement pour tete de forage Expired - Fee Related CA1277230C (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
CA 584719 CA1277230C (fr)	1988-12-01	1988-12-01	Outil d'isolement pour tete de forage

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA 584719 CA1277230C (fr)	1988-12-01	1988-12-01	Outil d'isolement pour tete de forage

Publications (1)

Publication Number	Publication Date
CA1277230C true CA1277230C (fr)	1990-12-04

Family

ID=4139209

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA 584719 Expired - Fee Related CA1277230C (fr)	1988-12-01	1988-12-01	Outil d'isolement pour tete de forage

Country Status (1)

Country	Link
CA (1)	CA1277230C (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2752032A1 (fr) *	1996-08-01	1998-02-06	Centrale Nucleaire Europ A Neu	Dispositif d'introduction d'un appareil filiforme dans un local etanche
GB2553144A (en) *	2016-08-26	2018-02-28	Rolls Royce Plc	Apparatus for insertion into a cavity of an object
CN109026896A (zh) *	2017-06-09	2018-12-18	中国石油化工股份有限公司	一种动杆式伸缩隔离型油井举升装置

1988
- 1988-12-01 CA CA 584719 patent/CA1277230C/fr not_active Expired - Fee Related

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2752032A1 (fr) *	1996-08-01	1998-02-06	Centrale Nucleaire Europ A Neu	Dispositif d'introduction d'un appareil filiforme dans un local etanche
GB2553144A (en) *	2016-08-26	2018-02-28	Rolls Royce Plc	Apparatus for insertion into a cavity of an object
GB2553144B (en) *	2016-08-26	2019-10-30	Rolls Royce Plc	Apparatus for insertion into a cavity of an object
US10633993B2 (en)	2016-08-26	2020-04-28	Rolls-Royce Plc	Apparatus for insertion into a cavity of an object
CN109026896A (zh) *	2017-06-09	2018-12-18	中国石油化工股份有限公司	一种动杆式伸缩隔离型油井举升装置
CN109026896B (zh) *	2017-06-09	2024-05-24	中国石油化工股份有限公司	一种动杆式伸缩隔离型油井举升装置

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Legal Events

Date	Code	Title	Description
2002-12-04	MKLA	Lapsed