Device for adjusting short sections of oil pipes

The utility model relates to an oil pipe connecting device, in particular to a device for adjusting short sections of oil pipes. The technical scheme includes that the device is mainly composed of an inner cylinder male thread, a back cap, an outer cylinder boss, an inner cylinder, an inner cylinder...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SHANG ZHENYUAN, SHI LIPING, MU ZHAOLI, ZHENG ZHILIANG, WANG MEIMING, LI BIN, YU GUOWEN, LI YUN, ZHANG CHENGLIANG
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 utility model relates to an oil pipe connecting device, in particular to a device for adjusting short sections of oil pipes. The technical scheme includes that the device is mainly composed of an inner cylinder male thread, a back cap, an outer cylinder boss, an inner cylinder, an inner cylinder joint, an outer cylinder and an outer cylinder female thread, wherein the inner cylinder male thread and the inner cylinder joint are arranged at two ends of the inner cylinder respectively, the outer cylinder boss and the outer cylinder female thread are arranged at two ends of the outer cylinder respectively, the inner cylinder joint is matched with the outer cylinder boss, thread are arranged on the inner cylinder, and the inner cylinder and the out cylinder are connected through the back cap in an adjustment mode. The device for adjusting short sections of oil pipes has the advantages that the tool length is adjusted by adjusting the position of the inner cylinder, the adjustment problem of short pipe columns