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Keywords: borehole pressure
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Proceedings Papers

Paper presented at the ISRM International Symposium on In-Situ Rock Stress, May 10–12, 2016
Paper Number: ISRM-ISRS-2016-017
.... The borehole drilled is 2005.5 meter below seafloor (mbsf) deep and exhibits a limited number of borehole wall failures because of optimal drilling-mud pressure control under riser drilling. The breakouts occurred only when the borehole pressure was slightly lowered and the time lag between hole cutting...
Proceedings Papers

Paper presented at the ISRM International Symposium on In-Situ Rock Stress, May 10–12, 2016
Paper Number: ISRM-ISRS-2016-019
... in Kuru dimensional stone quarry. Realized EDZ extend definition was done visually on core samples and saw cut surfaces. Definition of theoretical EDZ extend requires rock mechanical testing of the site rock as well as borehole pressure data on used charges. Required and laboratory defined rock mechanical...

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