Special upsetting direct connection type casing pipe for petroleum

The invention discloses an upsetting direct-connection type casing pipe special for petroleum, and relates to the technical field of petroleum exploitation, the upsetting direct-connection type casing pipe comprises a petroleum casing pipe, the petroleum casing pipe comprises a pipe body, the two en...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ZHANG YA'NAN, GE TONGZHEN, LIU CHENGUANG, CHANG ZHANJUN, LI WENCHUN, MA CHUNXUE, ZHANG YADONG, JIAO YUNXIAN, SUN QINGWEI, REN AILONG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL ATOMISING APPARATUS CLEANING CLEANING IN GENERAL EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MINING NOZZLES OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PERFORMING OPERATIONS PREVENTION OF FOULING IN GENERAL SPRAYING APPARATUS SPRAYING OR ATOMISING IN GENERAL TRANSPORTING
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Beschreibung
Zusammenfassung:	The invention discloses an upsetting direct-connection type casing pipe special for petroleum, and relates to the technical field of petroleum exploitation, the upsetting direct-connection type casing pipe comprises a petroleum casing pipe, the petroleum casing pipe comprises a pipe body, the two ends of the pipe body are each provided with an upsetting part, the inner side of one upsetting part is provided with an external thread part, and the inner side of the other upsetting part is provided with an internal thread part; according to the upsetting direct-connection type special petroleum casing pipe, the first storage box, the first blocking block and the second blocking block are arranged, the two ends of the petroleum casing pipe are blocked, the petroleum casing pipe can be supported, the paint spraying box can move along the outer side of the petroleum casing pipe, paint spraying is conducted on the outer side of the petroleum casing pipe, and the upsetting direct-connection type special petroleum casi