ARRANGEMENT FOR PREVENTING ACCESS OF FOREIGN OBJECTS INTO WELL

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Bibliographic Details
Main Authors PETRUNYA KLARA ,SU, PUSTOVOJTENKO IVAN P,SU
Format Patent
LanguageEnglish
Published 25.02.1980
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: SU19782594333