PL265517A1 - Drilling hole seal with mechanical startup,multiply fixed using weight of the mining pipe - Google Patents

Drilling hole seal with mechanical startup,multiply fixed using weight of the mining pipe

Info

Publication number
PL265517A1
PL265517A1 PL26551787A PL26551787A PL265517A1 PL 265517 A1 PL265517 A1 PL 265517A1 PL 26551787 A PL26551787 A PL 26551787A PL 26551787 A PL26551787 A PL 26551787A PL 265517 A1 PL265517 A1 PL 265517A1
Authority
PL
Poland
Prior art keywords
weight
drilling hole
hole seal
mining pipe
multiply
Prior art date
Application number
PL26551787A
Other languages
English (en)
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
Application filed filed Critical
Publication of PL265517A1 publication Critical patent/PL265517A1/xx

Links

PL26551787A 1986-05-06 1987-05-06 Drilling hole seal with mechanical startup,multiply fixed using weight of the mining pipe PL265517A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HU185986A HU196476B (en) 1986-05-06 1986-05-06 Mechanic layer separating device repeatedly operable by the weight of producing pipe

Publications (1)

Publication Number Publication Date
PL265517A1 true PL265517A1 (en) 1988-05-12

Family

ID=10956556

Family Applications (1)

Application Number Title Priority Date Filing Date
PL26551787A PL265517A1 (en) 1986-05-06 1987-05-06 Drilling hole seal with mechanical startup,multiply fixed using weight of the mining pipe

Country Status (6)

Country Link
CS (1) CS270565B2 (el)
DD (1) DD260303A1 (el)
HU (1) HU196476B (el)
IN (1) IN168194B (el)
PL (1) PL265517A1 (el)
SU (1) SU1667637A3 (el)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2475621C1 (ru) * 2011-09-08 2013-02-20 Общество с ограниченной ответственностью "Газпром ПХГ" Пакер сдвоенный с приводом от вращения
RU2516119C1 (ru) * 2012-10-02 2014-05-20 Открытое акционерное общество "Татнефть" имени В.Д. Шашина Якорь для фиксации скважинного оборудования
CN103883277B (zh) * 2014-04-01 2016-08-17 中国海洋石油总公司 一种热采密封组件
CN104265232B (zh) * 2014-09-12 2016-09-14 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 一种具有双级封隔单元的k344型封隔器

Also Published As

Publication number Publication date
CS270565B2 (en) 1990-07-12
IN168194B (el) 1991-02-16
HUT43678A (en) 1987-11-30
SU1667637A3 (ru) 1991-07-30
HU196476B (en) 1988-11-28
CS321787A2 (en) 1989-11-14
DD260303A1 (de) 1988-09-21

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