Telescopic annular hydraulic setting packer
The invention discloses a telescopic annular hydraulic setting packer, which belongs to the technical field of packer sealing and comprises a fixed mandrel, a locking mandrel connected to the top end of the fixed mandrel, a lower telescopic mechanism connected to the bottom end of the fixed mandrel,...
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| creator | ZHANG TAO LIU JIAWEN CHEN SHENGHUAI XU FEI TIAN XIANGDONG HUANG QING WEI ANCHAO TAO LIANG LIU SHUJIE SHI XIANGKE LI ZHUJUN WEI JIANFEI XIE MAOCHENG YANG KAIYU LI WENTUO XIAO BO WU XUAN |
| description | The invention discloses a telescopic annular hydraulic setting packer, which belongs to the technical field of packer sealing and comprises a fixed mandrel, a locking mandrel connected to the top end of the fixed mandrel, a lower telescopic mechanism connected to the bottom end of the fixed mandrel, a telescopic outer cylinder sleeved on the outer circle of the lower telescopic mechanism, and a lower joint connected to the bottom end of the telescopic outer cylinder. The top end of the locking mandrel is connected with an upper telescopic mechanism which is connected with an upper connector. The fixed mandrel is sleeved with a setting mechanism, the locking mandrel is sleeved with a locking mechanism, and the two ends of the setting mechanism are connected with the locking mechanism and the telescopic outer cylinder respectively. The fracturing disc is used for controlling annulus hydraulic setting and lifting a tubular column for unsetting, operation is simple and reliable, the two-way barrel type slip is st |
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The top end of the locking mandrel is connected with an upper telescopic mechanism which is connected with an upper connector. The fixed mandrel is sleeved with a setting mechanism, the locking mandrel is sleeved with a locking mechanism, and the two ends of the setting mechanism are connected with the locking mechanism and the telescopic outer cylinder respectively. 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The top end of the locking mandrel is connected with an upper telescopic mechanism which is connected with an upper connector. The fixed mandrel is sleeved with a setting mechanism, the locking mandrel is sleeved with a locking mechanism, and the two ends of the setting mechanism are connected with the locking mechanism and the telescopic outer cylinder respectively. The fracturing disc is used for controlling annulus hydraulic setting and lifting a tubular column for unsetting, operation is simple and reliable, the two-way barrel type slip is st</abstract><oa>free_for_read</oa></addata></record> |
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| 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 |
| title | Telescopic annular hydraulic setting packer |
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