Oil drill pipe joint is turned round to big hydrophthalmia highly resistance

The utility model relates to an oil drill pipe joint is turned round to big hydrophthalmia highly resistance in oil gas well probing field mainly includes male joint (1), the slave station sealed face of shoulder (2), hookup screw thread (3), the master sealed face of shoulder (4) and female joint (...

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Bibliographische Detailangaben
Hauptverfasser:	LIU BING, HE QIYAO, ZHANG ZHI, LU KAI, ZENG DEZHI, SHI TAIHE, HOU DUO, REN JIAN, YU ZHIMING
Format:	Patent
Sprache:	eng
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:	The utility model relates to an oil drill pipe joint is turned round to big hydrophthalmia highly resistance in oil gas well probing field mainly includes male joint (1), the slave station sealed face of shoulder (2), hookup screw thread (3), the master sealed face of shoulder (4) and female joint (5), its characterized in that: the external diameter of male joint (1) and female joint (5) is 184.2mm, and the internal diameter of male joint (1) and female joint (5) is 116.06mm, and the base face pitch diameter of hookup screw thread (3) is 150.65mm, and the internal diameter ATTACH SURFACES of male joint (1) and female joint (5) flushes completely, male joint (1) and female joint (2) all adopts steel intensity to be more than or equal to 140000psi's steel, the tapering size that hookup screw thread (3) adopted is between 1: 12-1: 20 between. The utility model discloses can be used to in the wells such as deep well, ultradeep well, big displacement well for reduce tool joint water conservancy and press bad news, improve drilling string water conservancy transmission efficiency.