{"id":1567,"date":"2020-10-27T17:42:10","date_gmt":"2020-10-27T14:42:10","guid":{"rendered":"https:\/\/adcr.ru\/?p=1567"},"modified":"2020-10-27T17:46:15","modified_gmt":"2020-10-27T14:46:15","slug":"2014-1-1","status":"publish","type":"post","link":"https:\/\/adcr.ru\/en\/2014-1-1\/","title":{"rendered":"\"REPORTER of the Association of Drilling Contractors\" N 1, 2014"},"content":{"rendered":"
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\"\"<\/strong><\/h3>\n

ON THE PROBLEM OF DIRECTED WELLBORE ENERGY-EFFICIENT PROFILES DESIGNING <\/span>
Oganov, Garry S. \u2013 Dr.Tech.Sci., professor, director of OP Center for Offshore Well Design of LLC Krasnoyarskgazprom Neftegazproekt, g.oganov@krskgazprom-ngp.ru g.oganov@krskgazprom-ngp.ru<\/a>
Prokhorenko, Valery V. \u2013 Cand.Tech.Sci., head of department, OP Center for Offshore Well Design of LLC Krasnoyarskgazprom Neftegazproekt, v.prokhorenko@krskgazprom-ngp.ru v.prokhorenko@krskgazprom-ngp.ru<\/a>
Ivanychev, Roman V. \u2013 deputy director, OP Center for Offshore Well Design of LLC Krasnoyarskgazprom Neftegazproekt, r.ivanychev@krskgazprom-ngp.ru r.ivanychev@krskgazprom-ngp.ru<\/a><\/strong><\/em><\/p>\n

\u0423\u0414\u041a 622.24
Key words:<\/strong> directional well, horizontal well, design profile, energy efficient profile.
The algorithm of the optimal profile designing under the condition of minimizing of the energy consumption to overcome the resistance forces in the process of drilling string and casing column movement in the borehole with the specified starting and finishing points is considered. The movement of initially resting point mass under the action of gravity and friction along the previously unknown trajectory, which configuration is determined in the process of solving the problem, is chosen. Mathematical problem in the form of a variational principle of least time of travel is formulated. Examples of the well profile calculation, built on the basis of the proposed theoretical model with the use of field data, are given. Saving rate estimation is carried out.<\/p>\n

\u00a0<\/p>\n

ON THE PROBLEM OF DIRECTED WELLBORE ENERGY-EFFICIENT PROFILES DESIGNING <\/span>
Oganov, Garry S. \u2013 Dr.Tech.Sci., professor, director of OP Center for Offshore Well Design of LLC Krasnoyarskgazprom Neftegazproekt, g.oganov@krskgazprom-ngp.ru<\/a>
Prokhorenko, Valery V. \u2013 Cand.Tech.Sci., head of department, OP Center for Offshore Well Design of LLC Krasnoyarskgazprom Neftegazproekt, v.prokhorenko@krskgazprom-ngp.ru<\/a>
Ivanychev, Roman V. \u2013 deputy director, OP Center for Offshore Well Design of LLC Krasnoyarskgazprom Neftegazproekt, r.ivanychev@krskgazprom-ngp.ru<\/a><\/strong><\/em><\/p>\n

Key words:<\/strong> directional well, horizontal well, design profile, energy efficient profile.
The algorithm of the optimal profile designing under the condition of minimizing of the energy consumption to overcome the resistance forces in the process of drilling string and casing column movement in the borehole with the specified starting and finishing points is considered. The movement of initially resting point mass under the action of gravity and friction along the previously unknown trajectory, which configuration is determined in the process of solving the problem, is chosen. Mathematical problem in the form of a variational principle of least time of travel is formulated. Examples of the well profile calculation, built on the basis of the proposed theoretical model with the use of field data, are given. Saving rate estimation is carried out.<\/p>\n

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

\u00a0<\/p>\n

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