CASING FOR STEPPED CEMENTATION OF CASING STRINGS

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Bibliographic Details
Main Authors	LEVINSON LEV M,SU, PETROV NIKOLAJ A,SU, AGZAMOV FARIT A,SU
Format	Patent
Language	English Russian
Published	07.06.1990
Subjects	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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Bibliography:	Application Number: SU19884462380