Rotating fishing spear

• Main Authors: LIU WEI, ZHOU FANGQIN, WANG HONGWEI, SONG XUEJIE, SONG CHENGLI, LIU RUOWEI, MA SHENGJUN
• Format: Patent
• Language: Chinese; English
• Published: 15.05.2013
• Subjects: 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

The utility model discloses a rotating fishing spear which is composed of a connector, a rotating bearing and suspenders. The rotating bearing is connected with the lower end of the connector. The suspenders are arranged on the bottom of the rotating bearing. The suspenders can rotate under driving of the rotating bearing. A plurality of the suspenders are arranged. Inner hooks and outer hooks are arranged on the plurality of suspenders in a staggering mode. A through water inlet hole is formed in the rotating bearing. The upper end of the connector is of a spiral rod structure. The rotating fishing spear has the advantages that the inner hooks and the outer hooks are combined, the spear has hitting and pressing functions, times of descending a well are few, a fishing success rate is high, the spear can be applied to fishing of tools, with steel wires, falling into a well in the process of measuring and debugging, economic benefits are evident, and 100 thousand yuan of expenses of well maintenance and undergr