Slip packer for gas well fracture
The utility model relates to the field of oil production engineering, and belongs to a slip packer for gas well fracture. The slip packer solves the problems that a past gas well fracture packer fails in sealing due to repeated sealing and unsealing during fracture, and a next packer can be unsealed...
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| creator | WANG FENGSHAN YANG ZHIPENG GAO CHUNLIANG WU ENCHENG XU YONGQUAN ZHU ZHENRUI |
| description | The utility model relates to the field of oil production engineering, and belongs to a slip packer for gas well fracture. The slip packer solves the problems that a past gas well fracture packer fails in sealing due to repeated sealing and unsealing during fracture, and a next packer can be unsealed as soon as one layer is pressed. A sand blasting body 3, a protecting ring 10, a side rubber cylinder 11, a middle rubber cylinder 12, a spacer ring 13, a sealing piston 14, a clamping piston 15, an upper cone 19, a slip 21, a slip hanger 23 and a lower cone 25 are sequentially sleeved outside a central tube 2 of the slip packer, the upper cone 19 is connected with the clamping piston 15 in a threaded manner, and the slip hanger 23 is fixed to the upper cone 19 by the aid of an upper clamping pin 20. The slip packer is mainly applied to a gas well fracture process, and has the advantages of good temperature and pressure resistance, safe and reliable process and the like. |
| format | Patent |
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The slip packer solves the problems that a past gas well fracture packer fails in sealing due to repeated sealing and unsealing during fracture, and a next packer can be unsealed as soon as one layer is pressed. A sand blasting body 3, a protecting ring 10, a side rubber cylinder 11, a middle rubber cylinder 12, a spacer ring 13, a sealing piston 14, a clamping piston 15, an upper cone 19, a slip 21, a slip hanger 23 and a lower cone 25 are sequentially sleeved outside a central tube 2 of the slip packer, the upper cone 19 is connected with the clamping piston 15 in a threaded manner, and the slip hanger 23 is fixed to the upper cone 19 by the aid of an upper clamping pin 20. 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The slip packer solves the problems that a past gas well fracture packer fails in sealing due to repeated sealing and unsealing during fracture, and a next packer can be unsealed as soon as one layer is pressed. A sand blasting body 3, a protecting ring 10, a side rubber cylinder 11, a middle rubber cylinder 12, a spacer ring 13, a sealing piston 14, a clamping piston 15, an upper cone 19, a slip 21, a slip hanger 23 and a lower cone 25 are sequentially sleeved outside a central tube 2 of the slip packer, the upper cone 19 is connected with the clamping piston 15 in a threaded manner, and the slip hanger 23 is fixed to the upper cone 19 by the aid of an upper clamping pin 20. The slip packer is mainly applied to a gas well fracture process, and has the advantages of good temperature and pressure resistance, safe and reliable process and the like.</description><subject>EARTH DRILLING</subject><subject>EARTH DRILLING, e.g. DEEP DRILLING</subject><subject>FIXED CONSTRUCTIONS</subject><subject>MINING</subject><subject>OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2012</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZFAMzsksUChITM5OLVJIyy9SSE8sVihPzclRSCtKTC4pLUrlYWBNS8wpTuWF0twMSm6uIc4euqkF-fGpxUCtqXmpJfHOfkYGRqbGhgaW5qGhxkQpAgCqXCYW</recordid><startdate>20121114</startdate><enddate>20121114</enddate><creator>WANG FENGSHAN</creator><creator>YANG ZHIPENG</creator><creator>GAO CHUNLIANG</creator><creator>WU ENCHENG</creator><creator>XU YONGQUAN</creator><creator>ZHU ZHENRUI</creator><scope>EVB</scope></search><sort><creationdate>20121114</creationdate><title>Slip packer for gas well fracture</title><author>WANG FENGSHAN ; YANG ZHIPENG ; GAO CHUNLIANG ; WU ENCHENG ; XU YONGQUAN ; ZHU ZHENRUI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN202531097UU3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2012</creationdate><topic>EARTH DRILLING</topic><topic>EARTH DRILLING, e.g. DEEP DRILLING</topic><topic>FIXED CONSTRUCTIONS</topic><topic>MINING</topic><topic>OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS</topic><toplevel>online_resources</toplevel><creatorcontrib>WANG FENGSHAN</creatorcontrib><creatorcontrib>YANG ZHIPENG</creatorcontrib><creatorcontrib>GAO CHUNLIANG</creatorcontrib><creatorcontrib>WU ENCHENG</creatorcontrib><creatorcontrib>XU YONGQUAN</creatorcontrib><creatorcontrib>ZHU ZHENRUI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>WANG FENGSHAN</au><au>YANG ZHIPENG</au><au>GAO CHUNLIANG</au><au>WU ENCHENG</au><au>XU YONGQUAN</au><au>ZHU ZHENRUI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Slip packer for gas well fracture</title><date>2012-11-14</date><risdate>2012</risdate><abstract>The utility model relates to the field of oil production engineering, and belongs to a slip packer for gas well fracture. The slip packer solves the problems that a past gas well fracture packer fails in sealing due to repeated sealing and unsealing during fracture, and a next packer can be unsealed as soon as one layer is pressed. A sand blasting body 3, a protecting ring 10, a side rubber cylinder 11, a middle rubber cylinder 12, a spacer ring 13, a sealing piston 14, a clamping piston 15, an upper cone 19, a slip 21, a slip hanger 23 and a lower cone 25 are sequentially sleeved outside a central tube 2 of the slip packer, the upper cone 19 is connected with the clamping piston 15 in a threaded manner, and the slip hanger 23 is fixed to the upper cone 19 by the aid of an upper clamping pin 20. The slip packer is mainly applied to a gas well fracture process, and has the advantages of good temperature and pressure resistance, safe and reliable process and the like.</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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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 | Slip packer for gas well fracture |
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