WELLHEAD EQUIPMENT (VARIANTS)

FIELD: oil and gas production industry, particularly for sealing or packing boreholes or wells. ^ SUBSTANCE: wellhead equipment comprises casing head having body with radial channels, flange, connection members, suspension means and casing pipe sealing means, as well as tubing head. The body and the...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	BAJANOV VADIM MIKHAJLOVICH, LOBANOV VIKTOR ALEKSANDROVICH, KOBJAKOV NIKOLAJ IVANOVICH, TRIFANOV VIKTOR NIKOLAEVICH, KRASNOV VITALIJ ALEKSEEVICH, SLIVNEV ALEKSEJ JUR'EVICH, OPALEV VLADIMIR ANDREEVICH, SHIRJAEV VALERIJ PETROVICH, RAKHIMKULOV RAVIL' SADYKOVICH, SHARMANOV SERGEJ ANATOL'EVICH, BYCHKOV NIKOLAJ ALEKSANDROVICH, CHEKMENEV VJACHESLAV ALEKSANDROVICH, KHABIBULLIN AZAT RAVMEROVICH, PERMJAKOV ALEKSANDR PAVLOVICH, GEBEL' ANATOLIJ JAKOVLEVICH, GLUKHOV SERGEJ DMITRIEVICH, IGUMNOV GENNADIJ VJACHESLAVOVICH, SEMENOV VLADIMIR NIKOLAEVICH, FUSS VLADIMIR ADAMOVICH, SHALINOV ANDREJ VADIMOVICH
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: oil and gas production industry, particularly for sealing or packing boreholes or wells. ^ SUBSTANCE: wellhead equipment comprises casing head having body with radial channels, flange, connection members, suspension means and casing pipe sealing means, as well as tubing head. The body and the flange are detachable. The flange is made as round rim and has at least two through radial horizontal channels. Safety subs are screwed in the radial horizontal channels. Wellhead equipment variants differ one from another due to providing different designs of casing head flanges, upper body bushes, axial connection units, which connect upper and lower bushes, tube heads and places of casing head body installation. ^ EFFECT: provision of universality, reduced size, increased reliability and simplified structure. ^ 12 cl, 6 dwg