METHOD FOR DIRECTED WELL BORE POSITION DETERMINATION

METHOD FOR DIRECTED WELL BORE POSITION DETERMINATION

FIELD: well drilling, particularly to control directional, horizontal and slightly rising hole making in oil mine inclines. ^ SUBSTANCE: method involves injecting liquid cleaned of mud and having averaged density in drill string provided with check valve arranged in lower end thereof during hole dri...

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Hauptverfasser: TSUKANOV ANDREJ NIKOLAEVICH, TSKHADAJA NIKOLAJ DENISOVICH, GRUTSKIJ LEV GENRIKHOVICH, KUZNETSOV VIKENTIJ ALEKSEEVICH, PROSHUTINSKIJ MAKSIM ALEKSANDROVICH, FILIPPOV VLADIMIR FEDOROVICH, BUSLAEV GEORGIJ VIKTOROVICH, BUSLAEV VIKTOR FEDOROVICH
Format: Patent
Sprache:eng ; rus
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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creator TSUKANOV ANDREJ NIKOLAEVICH
TSKHADAJA NIKOLAJ DENISOVICH
GRUTSKIJ LEV GENRIKHOVICH
KUZNETSOV VIKENTIJ ALEKSEEVICH
PROSHUTINSKIJ MAKSIM ALEKSANDROVICH
FILIPPOV VLADIMIR FEDOROVICH
BUSLAEV GEORGIJ VIKTOROVICH
BUSLAEV VIKTOR FEDOROVICH
description FIELD: well drilling, particularly to control directional, horizontal and slightly rising hole making in oil mine inclines. ^ SUBSTANCE: method involves injecting liquid cleaned of mud and having averaged density in drill string provided with check valve arranged in lower end thereof during hole drilling, wherein the check valve prevents liquid flowing from hole clearance in tube space; measuring drilling string pressure by means of remote subsurface pressure gages located at maximal depth during circulation stoppage and by means of pressure gage installed at well head; using the measured data to calculate well hole inclination angle and zenith angle; determining well hole location on the base of obtained results. ^ EFFECT: increased accuracy of horizontal directional well parameter measurement without the use of deviation survey in explosive and magnetic mediums, which improves well hole making quality and oil-and-gas deposit development. ^ 2 cl, 2 dwg, 1 ex
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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
title METHOD FOR DIRECTED WELL BORE POSITION DETERMINATION
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