Drill collar lifting sub placing box

A drill collar lifting sub placing box comprises lifting hooks, a box frame, drill collar lifting subs, lock sleeves and a positioning table, wherein four lifting hooks are symmetrically welded on the box frame, the positioning table is installed on the bottom face of the box frame, the drill collar...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	LI XINYUE, TANG FEI, HAN ZHENLI, WANG YANGYANG, WANG JIANHUA, ZHUO LIN, XU YUANCHUN, HAN YUTONG, WANG SHENG, ZHAO HONGCANG, MOU AIJUN, FANG YONGJUN
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:	A drill collar lifting sub placing box comprises lifting hooks, a box frame, drill collar lifting subs, lock sleeves and a positioning table, wherein four lifting hooks are symmetrically welded on the box frame, the positioning table is installed on the bottom face of the box frame, the drill collar lifting subs are inserted into the lower rear portion of the box frame and sleeve the positioning table, the lock sleeves are installed on the upper plane of the box frame, the lock sleeves fasten the drill collar lifting subs, the drill collar lifting subs can be tidily placed on the box frame, placement of the drill collar lifting subs is convenient and saves labor, the upper ends and the lower ends of all the drill collar lifting subs can be fixed, the drill collar lifting subs can not move in the box frame, can not be damaged due to collision, can not fall, and can be conveniently fetched for use, and accordingly the drill collar lifting sub placing box is good in practicability and can improve drilling effici