Fixing device for polished rod sealing device press cap of oil sucking well

• Main Authors: QIAN YAOYAO, GUO PING, ZHAO KAIYU, FAN YINGBIN, WANG CHUNXU, WANG RUIHONG, WANG XIUMEI, GUAN SHENGKAI
• Format: Patent
• Language: Chinese; English
• Published: 30.04.2014
• 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 provides a fixing device for a polished rod sealing device press cap of an oil sucking well. The polished rod sealing device press cap and a polished rod sealing device main body penetrate on a polished rod, a magnet is placed in an installing box, a magnet press cover is connected with the installing box, the magnet press cover presses the magnet, notches are formed in the magnet press cover, the magnet and the installing box, the width of the notches is greater than the diameter of the polished rod, after connecting screw threads between the polished rod sealing device press cap and the polished rod sealing device mina body are dismounted, the polished rod sealing device press cap and the polished rod sealing device main body are separated, the notches formed in the magnet press cover, the magnet and the installing box are aligned with the polished rod to be placed in positions under the polished rod sealing device press cap, the magnet is sucked and held on the polished rod, the polished