DEVICE FOR WELL RESEARCH

DEVICE FOR WELL RESEARCH

FIELD: operation of oil wells, particularly, research of operating wells. SUBSTANCE: device has ejector pump with active nozzle, mixing chamber, diffuser and channel for supply of fluid pumped out of formation and shutoff member with seat installed parallel to ejector pump. In this case, logging cab...

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Hauptverfasser: JANKIN B.D, KHARIN A.N, ATNABAEV Z.M, KHASANOV M.M, CHESNOKOV V.A
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 JANKIN B.D
KHARIN A.N
ATNABAEV Z.M
KHASANOV M.M
CHESNOKOV V.A
description FIELD: operation of oil wells, particularly, research of operating wells. SUBSTANCE: device has ejector pump with active nozzle, mixing chamber, diffuser and channel for supply of fluid pumped out of formation and shutoff member with seat installed parallel to ejector pump. In this case, logging cable with connected geophysical instrument is passed through axial channel of shutoff member. Active nozzle with mixing chamber is directed upward. Installed in gap between ejector pump casing and casing string well, against mixing chamber is self-sealing collar. EFFECT: higher efficiency and reliability. 1 dwg
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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 DEVICE FOR WELL RESEARCH
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