DE68902518D1 - Absperrwerkzeug. - Google Patents

Absperrwerkzeug.

Info

Publication number
DE68902518D1
DE68902518D1 DE8989901733T DE68902518T DE68902518D1 DE 68902518 D1 DE68902518 D1 DE 68902518D1 DE 8989901733 T DE8989901733 T DE 8989901733T DE 68902518 T DE68902518 T DE 68902518T DE 68902518 D1 DE68902518 D1 DE 68902518D1
Authority
DE
Germany
Prior art keywords
shut
tool
Prior art date
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 - Lifetime
Application number
DE8989901733T
Other languages
English (en)
Other versions
DE68902518T2 (de
Inventor
Alvin Armell
David Coull
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.)
National Oilwell Varco UK Ltd
Eljay Well Services Ltd
Original Assignee
Drexel Equipment UK Ltd
Eljay Well Services 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.)
Filing date
Publication date
Priority claimed from GB888800875A external-priority patent/GB8800875D0/en
Application filed by Drexel Equipment UK Ltd, Eljay Well Services Ltd filed Critical Drexel Equipment UK Ltd
Publication of DE68902518D1 publication Critical patent/DE68902518D1/de
Application granted granted Critical
Publication of DE68902518T2 publication Critical patent/DE68902518T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

DE1989602518 1988-01-15 1989-01-16 Absperrwerkzeug. Expired - Fee Related DE68902518T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB888800875A GB8800875D0 (en) 1988-01-15 1988-01-15 Shut-in tool
PCT/GB1989/000036 WO1989006740A1 (en) 1988-01-15 1989-01-16 Shut-in tool

Publications (2)

Publication Number Publication Date
DE68902518D1 true DE68902518D1 (de) 1992-09-24
DE68902518T2 DE68902518T2 (de) 1993-01-21

Family

ID=26293326

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1989602518 Expired - Fee Related DE68902518T2 (de) 1988-01-15 1989-01-16 Absperrwerkzeug.

Country Status (1)

Country Link
DE (1) DE68902518T2 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109267961A (zh) * 2018-11-05 2019-01-25 长江勘测规划设计研究有限责任公司 一种钻孔压水试验多通道转换快速卸压装置及其卸压方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109267961A (zh) * 2018-11-05 2019-01-25 长江勘测规划设计研究有限责任公司 一种钻孔压水试验多通道转换快速卸压装置及其卸压方法
CN109267961B (zh) * 2018-11-05 2024-03-22 长江勘测规划设计研究有限责任公司 一种钻孔压水试验多通道转换快速卸压装置及其卸压方法

Also Published As

Publication number Publication date
DE68902518T2 (de) 1993-01-21

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee