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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Bibliographische Detailangaben
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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Beschreibung
Zusammenfassung:	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