Wellhead large-drift diameter continuous ball catcher and control method thereof
The present invention provides a wellhead large-drift diameter continuous ball catcher, comprising a cylindrical pipe section. A wellhead pipeline is connected to the right side of the pipe section. The pipe section tilts downwards by 10 to 15 degrees in a vertical direction of the wellhead pipeline...
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| creator | LAI XUAN'ANG REN FAJUN WEN XIAOYONG ZHOU CHANGJING ZHU LIMING MA ZHANGUO ZHAO ZHENFENG SHEN LEI LIU CHAO LI XIANWEN ZHANG YANMING DAI DONGMEI DONG SHIZHENG LIU XIAORUI MA XU |
| description | The present invention provides a wellhead large-drift diameter continuous ball catcher, comprising a cylindrical pipe section. A wellhead pipeline is connected to the right side of the pipe section. The pipe section tilts downwards by 10 to 15 degrees in a vertical direction of the wellhead pipeline. A safety plug valve, an isolating plug valve and a ball collecting plug valve are orderly disposed on the pipe section from right to left. A screen pipe is disposed within the pipe section between the safety plug valve and the isolating plug valve, and a plurality of overflowing holes are formed in the surface of the screen pipe. A left side of the ball collecting plug valve is connected to a discharge pipeline. An open flow pipeline is connected to the pipe section in the middle of the screen pipe. The wellhead large-drift diameter continuous ball catcher overcomes the defects in the prior art, and is reliable in principle, and simple in structure; the ball catching method is feasible; continuous and efficient t |
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A wellhead pipeline is connected to the right side of the pipe section. The pipe section tilts downwards by 10 to 15 degrees in a vertical direction of the wellhead pipeline. A safety plug valve, an isolating plug valve and a ball collecting plug valve are orderly disposed on the pipe section from right to left. A screen pipe is disposed within the pipe section between the safety plug valve and the isolating plug valve, and a plurality of overflowing holes are formed in the surface of the screen pipe. A left side of the ball collecting plug valve is connected to a discharge pipeline. An open flow pipeline is connected to the pipe section in the middle of the screen pipe. The wellhead large-drift diameter continuous ball catcher overcomes the defects in the prior art, and is reliable in principle, and simple in structure; the ball catching method is feasible; continuous and efficient t</description><language>chi ; eng</language><subject>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</subject><creationdate>2017</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20170104&DB=EPODOC&CC=CN&NR=106285541A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76418</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20170104&DB=EPODOC&CC=CN&NR=106285541A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>LAI XUAN'ANG</creatorcontrib><creatorcontrib>REN FAJUN</creatorcontrib><creatorcontrib>WEN XIAOYONG</creatorcontrib><creatorcontrib>ZHOU CHANGJING</creatorcontrib><creatorcontrib>ZHU LIMING</creatorcontrib><creatorcontrib>MA ZHANGUO</creatorcontrib><creatorcontrib>ZHAO ZHENFENG</creatorcontrib><creatorcontrib>SHEN LEI</creatorcontrib><creatorcontrib>LIU CHAO</creatorcontrib><creatorcontrib>LI XIANWEN</creatorcontrib><creatorcontrib>ZHANG YANMING</creatorcontrib><creatorcontrib>DAI DONGMEI</creatorcontrib><creatorcontrib>DONG SHIZHENG</creatorcontrib><creatorcontrib>LIU XIAORUI</creatorcontrib><creatorcontrib>MA XU</creatorcontrib><title>Wellhead large-drift diameter continuous ball catcher and control method thereof</title><description>The present invention provides a wellhead large-drift diameter continuous ball catcher, comprising a cylindrical pipe section. A wellhead pipeline is connected to the right side of the pipe section. The pipe section tilts downwards by 10 to 15 degrees in a vertical direction of the wellhead pipeline. A safety plug valve, an isolating plug valve and a ball collecting plug valve are orderly disposed on the pipe section from right to left. A screen pipe is disposed within the pipe section between the safety plug valve and the isolating plug valve, and a plurality of overflowing holes are formed in the surface of the screen pipe. A left side of the ball collecting plug valve is connected to a discharge pipeline. An open flow pipeline is connected to the pipe section in the middle of the screen pipe. 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A wellhead pipeline is connected to the right side of the pipe section. The pipe section tilts downwards by 10 to 15 degrees in a vertical direction of the wellhead pipeline. A safety plug valve, an isolating plug valve and a ball collecting plug valve are orderly disposed on the pipe section from right to left. A screen pipe is disposed within the pipe section between the safety plug valve and the isolating plug valve, and a plurality of overflowing holes are formed in the surface of the screen pipe. A left side of the ball collecting plug valve is connected to a discharge pipeline. An open flow pipeline is connected to the pipe section in the middle of the screen pipe. The wellhead large-drift diameter continuous ball catcher overcomes the defects in the prior art, and is reliable in principle, and simple in structure; the ball catching method is feasible; continuous and efficient t</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 | Wellhead large-drift diameter continuous ball catcher and control method thereof |
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