发明名称 |
DUAL-CHANNEL FLOW HEAD EQUIPMENT |
摘要 |
FIELD: oil production industry, well heads and setting-up thereof. ^ SUBSTANCE: flow head equipment comprises the first row pipe holder provided with two channels and the second row pipe holder having upper and lower threads. One of upper and low channels has upper and lower threads. The first row pipe holder is made as disc with orifices to be fastened to well head. The second row pipe holder is formed as hollow bush and may be directly secured inside the second channel of the first row pipe holder in air-tight manner. ^ EFFECT: increased reliability and decreased costs. ^ 3 cl, 1 dwg |
申请公布号 |
RU2305747(C1) |
申请公布日期 |
2007.09.10 |
申请号 |
RU20050138175 |
申请日期 |
2005.12.08 |
申请人 |
OTKRYTOE AKTSIONERNOE OBSHCHESTVO "TATNEFT'" IM. V.D. SHASHINA |
发明人 |
GARIFOV KAMIL' MANSUROVICH;IBRAGIMOV NAIL' GABDULBARIEVICH;FADEEV VLADIMIR GELIEVICH;ZABBAROV RUSLAN GABDELRAKIBOVICH;AKHMETVALIEV RAMIL' NAFISOVICH;KADYROV AL'BERT KHAMZEEVICH;VALOVSKIJ VLADIMIR MIKHAJLOVICH;VALOVSKIJ KONSTANTIN VLADIMIROVICH |
分类号 |
E21B33/03 |
主分类号 |
E21B33/03 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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