Two-way shock accelerator
The utility model discloses a two-way shock accelerator comprising a mandrel (1), a spline body (2), an upper cylinder sleeve (3), an upper mandrel (4), a connecting body (5), an upper piston (6), a hydraulic cylinder (7), a washing pipe (8), a lower piston (9), a balance washer (10), a terminal pre...
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| creator | YAN HONGJIANG ZHANG FAGUI CHEN WENPING HUANG ZUOZE BU SHENGJUN LI YINGHU SHEN CHIWEI YANG TINGHUA WANG HUI |
| description | The utility model discloses a two-way shock accelerator comprising a mandrel (1), a spline body (2), an upper cylinder sleeve (3), an upper mandrel (4), a connecting body (5), an upper piston (6), a hydraulic cylinder (7), a washing pipe (8), a lower piston (9), a balance washer (10), a terminal pressure cap (11) and a lower connector (12) which are sequentially connected from up to down. A downward acceleration function is added based on a one-way accelerator, so that the accelerator can not only realize upward acceleration but also can realize downward acceleration, and the efficiency of solving a sticking accident during a well drilling process is improved. In addition, the two-way shock accelerator ingeniously makes use of the double-piston structure which not only can move but also can be fixed, so that the same oil chamber is shared in the energy storage when a tool is accelerated upwards and downwards, the total length of the tool is shortened, the cost is reduced, and the transportation is facilitated |
| format | Patent |
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A downward acceleration function is added based on a one-way accelerator, so that the accelerator can not only realize upward acceleration but also can realize downward acceleration, and the efficiency of solving a sticking accident during a well drilling process is improved. In addition, the two-way shock accelerator ingeniously makes use of the double-piston structure which not only can move but also can be fixed, so that the same oil chamber is shared in the energy storage when a tool is accelerated upwards and downwards, the total length of the tool is shortened, the cost is reduced, and the transportation is facilitated</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>2011</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=20110824&DB=EPODOC&CC=CN&NR=201943625U$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20110824&DB=EPODOC&CC=CN&NR=201943625U$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>YAN HONGJIANG</creatorcontrib><creatorcontrib>ZHANG FAGUI</creatorcontrib><creatorcontrib>CHEN WENPING</creatorcontrib><creatorcontrib>HUANG ZUOZE</creatorcontrib><creatorcontrib>BU SHENGJUN</creatorcontrib><creatorcontrib>LI YINGHU</creatorcontrib><creatorcontrib>SHEN CHIWEI</creatorcontrib><creatorcontrib>YANG TINGHUA</creatorcontrib><creatorcontrib>WANG HUI</creatorcontrib><title>Two-way shock accelerator</title><description>The utility model discloses a two-way shock accelerator comprising a mandrel (1), a spline body (2), an upper cylinder sleeve (3), an upper mandrel (4), a connecting body (5), an upper piston (6), a hydraulic cylinder (7), a washing pipe (8), a lower piston (9), a balance washer (10), a terminal pressure cap (11) and a lower connector (12) which are sequentially connected from up to down. A downward acceleration function is added based on a one-way accelerator, so that the accelerator can not only realize upward acceleration but also can realize downward acceleration, and the efficiency of solving a sticking accident during a well drilling process is improved. 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A downward acceleration function is added based on a one-way accelerator, so that the accelerator can not only realize upward acceleration but also can realize downward acceleration, and the efficiency of solving a sticking accident during a well drilling process is improved. In addition, the two-way shock accelerator ingeniously makes use of the double-piston structure which not only can move but also can be fixed, so that the same oil chamber is shared in the energy storage when a tool is accelerated upwards and downwards, the total length of the tool is shortened, the cost is reduced, and the transportation is facilitated</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 | Two-way shock accelerator |
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