{"id":1012,"date":"2020-10-25T20:56:44","date_gmt":"2020-10-25T17:56:44","guid":{"rendered":"https:\/\/adcr.ru\/?p=1012"},"modified":"2020-10-25T21:01:04","modified_gmt":"2020-10-25T18:01:04","slug":"2010-3-10","status":"publish","type":"post","link":"https:\/\/adcr.ru\/en\/2010-3-10\/","title":{"rendered":"\"REPORTER of the Association of Drilling Contractors\" N 3, 2010"},"content":{"rendered":"
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\"\"<\/strong><\/h3>\n

URGENCY OF ANALYSIS OF STRENGTH PROPERTIES OF ROCKS FOR ROLLER BORING.<\/strong><\/p>\n

Stanislav V. Sinev \u2013 Ph.D. in Technical Sciences<\/strong><\/p>\n

\u0423\u0414\u041a 622.23.01<\/strong>
Key words: rock hardness, plasticity, specific fracture work, indentation, roller bit.<\/em><\/p>\n

The paper focuses on methods of measuring mechanical properties of rocks: hardness, plasticity, specific fracture work, etc.
The basic mechanical properties of rocks may be taken into account to select drill bits and their cutting structure, as well as drilling techniques. However, the systematic lag in development of research methods, sampling problems, lengthy calculations and drill bit improvements do not allow to use them in a timely fashion.<\/p>\n

URGENCY OF ANALYSIS OF STRENGTH PROPERTIES OF ROCKS FOR ROLLER BORING.<\/strong><\/p>\n

Stanislav V. Sinev \u2013 Ph.D. in Technical Sciences <\/strong><\/p>\n

\u0423\u0414\u041a<\/strong> 622.23.01<\/strong>
Key words: rock hardness, plasticity, specific fracture work, indentation, roller bit.<\/em><\/p>\n

The paper focuses on methods of measuring mechanical properties of rocks: hardness, plasticity, specific fracture work, etc.
The basic mechanical properties of rocks may be taken into account to select drill bits and their cutting structure, as well as drilling techniques. However, the systematic lag in development of research methods, sampling problems, lengthy calculations and drill bit improvements do not allow to use them in a timely fashion.<\/p>\n

\u00a0<\/strong><\/h3>\n

\u00a0<\/p>\n

<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"

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