ARRANGEMENT FOR PATCHING OFF TROUBLESOME ZONES IN A WELL

PCT No. PCT/SU88/00237 Sec. 371 Date Aug. 2, 1990 Sec. 102(e) Date Aug. 2, 1990 PCT Filed Nov. 22, 1988 PCT Pub. No. WO90/05833 PCT Pub. Date May 31, 1990.The arrangement for patching off troublesome zones in a well has a string of profile pipes with cylindrical portions at their ends, and a device...

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Hauptverfasser:	MELING, KONSTANTIN V, MUKHAMETSHIN, ALMAZ A, ZAINULLIN, ALBERT G, JUNYSHEV, LEONID V, UTESHEV, RASHID A, MIKHAILOVA, TATYANA A, BALANDIN, ALEXANDR P, ABDRAKHMANOV, GABDRASHIT S, IBATULLIN, RUSTAM K, JUSUPOV, IZIL G, FILIPPOV, VITALY P, PARSHIN, VLADIMIR S, MINGAZOV, ILMAS F, ASFANDIYAROV, KHALIM A, PEROV, ANATOLY V, PUZANOV, ALEXANDR A, LAVRUSHKO, BORIS V
Format:	Patent
Sprache:	eng
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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Zusammenfassung:	PCT No. PCT/SU88/00237 Sec. 371 Date Aug. 2, 1990 Sec. 102(e) Date Aug. 2, 1990 PCT Filed Nov. 22, 1988 PCT Pub. No. WO90/05833 PCT Pub. Date May 31, 1990.The arrangement for patching off troublesome zones in a well has a string of profile pipes with cylindrical portions at their ends, and a device for setting the string of profile pipes in a well, mounted for longitudinal reciprocation inside the string of profile pipes. Said device includes a reamer of the cylindrical portions of the profile pipes, positioned inside the uppermost cylindrical portion of the string of profile pipes, rigidly connected with an expander positioned above the string of profile pipes and having a housing with expanding elements mounted thereon.