Ground stress testing device and testing method
The invention discloses a ground stress testing device and a testing method. The ground stress testing device comprises a pressurizing water injection device, a drill rod, an upper packer, a rotatable guide plate, an electronic compass and a lower packer, one end of the drill rod is communicated wit...
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| creator | LUO SHENG HOU BINGSHEN ZHOU CHAO AI KAI DONG ZHIHONG LIU YUANKUN ZHOU CHUNHUA FU PING HAN XIAOYU WANG BIN LU WENFENG ZHANG XINHUI ZHANG YANJIE MAO JINZHU YIN JIANMIN DU XUECAI |
| description | The invention discloses a ground stress testing device and a testing method. The ground stress testing device comprises a pressurizing water injection device, a drill rod, an upper packer, a rotatable guide plate, an electronic compass and a lower packer, one end of the drill rod is communicated with the pressurized water injection device, the other end of the drill rod is communicated with a water inlet of the channel change-over valve, and the channel change-over valve further comprises a first water outlet passage and a second water outlet passage which are selectively communicated with the water inlet; the upper packer is communicated with the first water outlet passage; the rotatable flow guide plate comprises a central flow guide pipe rotationally arranged between the upper packer and the lower packer and flow guide blades arranged on the central flow guide pipe, flow guide seams are formed in the flow guide blades, and when water flow enters the central flow guide pipe and is sprayed out through the fl |
| format | Patent |
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The ground stress testing device comprises a pressurizing water injection device, a drill rod, an upper packer, a rotatable guide plate, an electronic compass and a lower packer, one end of the drill rod is communicated with the pressurized water injection device, the other end of the drill rod is communicated with a water inlet of the channel change-over valve, and the channel change-over valve further comprises a first water outlet passage and a second water outlet passage which are selectively communicated with the water inlet; the upper packer is communicated with the first water outlet passage; the rotatable flow guide plate comprises a central flow guide pipe rotationally arranged between the upper packer and the lower packer and flow guide blades arranged on the central flow guide pipe, flow guide seams are formed in the flow guide blades, and when water flow enters the central flow guide pipe and is sprayed out through the fl</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>2023</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=20230929&DB=EPODOC&CC=CN&NR=116816337A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,778,883,25551,76304</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20230929&DB=EPODOC&CC=CN&NR=116816337A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>LUO SHENG</creatorcontrib><creatorcontrib>HOU BINGSHEN</creatorcontrib><creatorcontrib>ZHOU CHAO</creatorcontrib><creatorcontrib>AI KAI</creatorcontrib><creatorcontrib>DONG ZHIHONG</creatorcontrib><creatorcontrib>LIU YUANKUN</creatorcontrib><creatorcontrib>ZHOU CHUNHUA</creatorcontrib><creatorcontrib>FU PING</creatorcontrib><creatorcontrib>HAN XIAOYU</creatorcontrib><creatorcontrib>WANG BIN</creatorcontrib><creatorcontrib>LU WENFENG</creatorcontrib><creatorcontrib>ZHANG XINHUI</creatorcontrib><creatorcontrib>ZHANG YANJIE</creatorcontrib><creatorcontrib>MAO JINZHU</creatorcontrib><creatorcontrib>YIN JIANMIN</creatorcontrib><creatorcontrib>DU XUECAI</creatorcontrib><title>Ground stress testing device and testing method</title><description>The invention discloses a ground stress testing device and a testing method. 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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 | Ground stress testing device and testing method |
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