{"id":1187,"date":"2020-10-25T21:53:54","date_gmt":"2020-10-25T18:53:54","guid":{"rendered":"https:\/\/adcr.ru\/?p=1187"},"modified":"2020-10-25T21:56:10","modified_gmt":"2020-10-25T18:56:10","slug":"2011-4-3","status":"publish","type":"post","link":"https:\/\/adcr.ru\/en\/2011-4-3\/","title":{"rendered":"\"REPORTER of the Association of Drilling Contractors\" N 4, 2011"},"content":{"rendered":"
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\"\"<\/strong><\/h3>\n

WELL PLACEMENT UNCERTAINTY AND ASSESSMENT TECHNIQUES.<\/strong>
Kazimir V. Kovalenko \u2013 Cand.Tech.Sci., associate professor of the geophysical information systems department, the Gubkin State University of Oil and Gas, kazimirk@hotmail.com kazimirk@hotmail.com<\/a><\/em><\/strong><\/p>\n

\u0423\u0414\u041a 550.832<\/strong>
Key words<\/strong>: measurement while drilling, directional surveys, ellipse of uncertainty,\u00a0\u00a0 error.<\/p>\n

\u041e<\/span>The article focuses on mathematical tools for the construction of the ellipse of uncertainty of wellbore placement, which were approved by the international committee for wellbore survey accuracy\u00a0\u00a0 (ISCWSA), describes the differences in the combined effect of errors of magnetic surveys and gyro surveys, and shows the phases of geophysical modeling, which depends substantially on directional survey accuracy.<\/p>\n

WELL PLACEMENT UNCERTAINTY AND ASSESSMENT TECHNIQUES.<\/strong>
Kazimir V. Kovalenko \u2013 Cand.Tech.Sci., associate professor of the geophysical information systems department,\u00a0 the Gubkin State University of Oil and Gas, kazimirk@hotmail.com<\/a><\/em><\/strong><\/p>\n

Key words<\/strong>: measurement while drilling, directional surveys, ellipse of uncertainty,\u00a0\u00a0 error.<\/p>\n

T<\/span>he article focuses on mathematical tools for the construction of the ellipse of uncertainty of wellbore placement, which were approved by the international committee for wellbore survey accuracy\u00a0\u00a0 (ISCWSA), describes the differences in the combined effect of errors of magnetic surveys and gyro surveys, and shows the phases of geophysical modeling, which depends substantially on directional survey accuracy.<\/p>\n

\u00a0<\/p>\n

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