Pipe end upsetting direct connection type drill rod

The invention discloses a pipe end upsetting direct connection type drill rod, and relates to the technical field of petroleum, the pipe end upsetting direct connection type drill rod comprises a rod body, the two ends of the rod body are both provided with upsetting parts, one end of one upsetting...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ZHANG YA'NAN, GE TONGZHEN, LIU CHENGUANG, CHANG ZHANJUN, LI WENCHUN, MA CHUNXUE, JIAO YUNXIAN, ZHANG YADONG, SUN QINGWEI, REN AILONG
Format:	Patent
Sprache:	chi ; 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 invention discloses a pipe end upsetting direct connection type drill rod, and relates to the technical field of petroleum, the pipe end upsetting direct connection type drill rod comprises a rod body, the two ends of the rod body are both provided with upsetting parts, one end of one upsetting part is provided with an external thread part, one end of the other upsetting part is provided with an internal thread part, and the external thread part is matched with the internal thread part; according to the pipe end upsetting direct-connection type drill rod, by arranging the upsetting parts at the two ends of the rod body, the mechanical performance of the joint part is improved, so that the drill rod has the advantages of being high in strength, long in service life and stable in quality, and by arranging the upsetting tool, the heater and the working cavity, when the two ends of the rod body are upset, the pipe end upsetting direct-connection type drill rod is convenient to use. The two ends of the rod bod