Downhole casing bending and external pressure collapse combined loading test tool and test method
The invention discloses an underground casing bending and external pressure collapse combined loading test tool and a test method. The tool comprises a bending and external pressure loading unit and a control unit, the loading unit comprises a kettle body, a bending loading device, an external press...
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| creator | LOU ERBIAO ZHOU BO XIAO HUA XIE JUNFENG SHU DAN LIU HONGTAO ZHAO MIFENG LI NING WANG SHUANGLAI |
| description | The invention discloses an underground casing bending and external pressure collapse combined loading test tool and a test method. The tool comprises a bending and external pressure loading unit and a control unit, the loading unit comprises a kettle body, a bending loading device, an external pressure loading device, a strain sensing device and a pressure sensing device; the test method comprises the following steps: pasting the strain sensing device on the test sleeve; a to-be-tested sleeve penetrates through the kettle body, and the kettle body is filled with a liquid medium; setting the bent dog-leg degree of the to-be-tested sleeve; the first bending loading device and the second bending loading device perform bending loading on the radial direction of the to-be-tested sleeve, the strain sensing device feeds back, and when the bending dog leg degree reaches a set value, the bending loading is stopped; the bending loading condition is kept unchanged, the liquid medium in the kettle body is pressurized unt |
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The tool comprises a bending and external pressure loading unit and a control unit, the loading unit comprises a kettle body, a bending loading device, an external pressure loading device, a strain sensing device and a pressure sensing device; the test method comprises the following steps: pasting the strain sensing device on the test sleeve; a to-be-tested sleeve penetrates through the kettle body, and the kettle body is filled with a liquid medium; setting the bent dog-leg degree of the to-be-tested sleeve; the first bending loading device and the second bending loading device perform bending loading on the radial direction of the to-be-tested sleeve, the strain sensing device feeds back, and when the bending dog leg degree reaches a set value, the bending loading is stopped; the bending loading condition is kept unchanged, the liquid medium in the kettle body is pressurized unt</description><language>chi ; eng</language><subject>INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES ; MEASURING ; PHYSICS ; TESTING</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=20230519&DB=EPODOC&CC=CN&NR=116136474A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20230519&DB=EPODOC&CC=CN&NR=116136474A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>LOU ERBIAO</creatorcontrib><creatorcontrib>ZHOU BO</creatorcontrib><creatorcontrib>XIAO HUA</creatorcontrib><creatorcontrib>XIE JUNFENG</creatorcontrib><creatorcontrib>SHU DAN</creatorcontrib><creatorcontrib>LIU HONGTAO</creatorcontrib><creatorcontrib>ZHAO MIFENG</creatorcontrib><creatorcontrib>LI NING</creatorcontrib><creatorcontrib>WANG SHUANGLAI</creatorcontrib><title>Downhole casing bending and external pressure collapse combined loading test tool and test method</title><description>The invention discloses an underground casing bending and external pressure collapse combined loading test tool and a test method. 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| subjects | INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS TESTING |
| title | Downhole casing bending and external pressure collapse combined loading test tool and test method |
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