DE3855789D1 - DEVICE FOR CLOSING A DIFFICULTY ZONE IN A HOLE - Google Patents

DEVICE FOR CLOSING A DIFFICULTY ZONE IN A HOLE

Info

Publication number
DE3855789D1
DE3855789D1 DE3855789T DE3855789T DE3855789D1 DE 3855789 D1 DE3855789 D1 DE 3855789D1 DE 3855789 T DE3855789 T DE 3855789T DE 3855789 T DE3855789 T DE 3855789T DE 3855789 D1 DE3855789 D1 DE 3855789D1
Authority
DE
Germany
Prior art keywords
closing
hole
difficulty zone
difficulty
zone
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 - Fee Related
Application number
DE3855789T
Other languages
German (de)
Inventor
Gabdrashit Sultan Abdrakhmanov
Rashit Akhmedullovich Uteshev
Rustam Khamitovich Ibatullin
Izil Galimzyanovich Jusupov
Anatoly Vasilievich Perov
Albert Gabidullovich Zainullin
Konstantin Viktorovich Meling
Boris Vladimirovich Lavrushko
Ilmas Falikhovich Mingazov
Almaz Adgamovich Mukhametshin
Vitaly Petrovich Filippov
Khalim Akhmetovic Asfandiyarov
Tatyana Alexandrovn Mikhailova
Vladimir Sergeevich Parshin
Leonid Vladimirovich Junyshev
Alexandr Alexeevich Puzanov
Alexandr Petrovich Balandin
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.)
TATARSKIJ GNI SKIJ I PI NEFTJA
Original Assignee
TATARSKIJ GNI SKIJ I PI NEFTJA
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 by TATARSKIJ GNI SKIJ I PI NEFTJA filed Critical TATARSKIJ GNI SKIJ I PI NEFTJA
Priority claimed from PCT/SU1988/000237 external-priority patent/WO1990005833A1/en
Application granted granted Critical
Publication of DE3855789D1 publication Critical patent/DE3855789D1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

DE3855789T 1988-11-22 1988-11-22 DEVICE FOR CLOSING A DIFFICULTY ZONE IN A HOLE Expired - Fee Related DE3855789D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SU1988/000237 WO1990005833A1 (en) 1988-11-22 1988-11-22 Device for closing off a complication zone in a well

Publications (1)

Publication Number Publication Date
DE3855789D1 true DE3855789D1 (en) 1997-03-20

Family

ID=21617344

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3855789T Expired - Fee Related DE3855789D1 (en) 1988-11-22 1988-11-22 DEVICE FOR CLOSING A DIFFICULTY ZONE IN A HOLE

Country Status (2)

Country Link
JP (1) JP2710680B2 (en)
DE (1) DE3855789D1 (en)

Also Published As

Publication number Publication date
JP2710680B2 (en) 1998-02-10
JPH03502350A (en) 1991-05-30

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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