ON THE CREATION OF ENERGY-SAVING PROFILES OF DIRECTED, MULTI-HOLE AND HORIZONTAL WELLS
Alexander M. Gusman — Doctor of Engineering, Professor, Division head of OJSC NPO “Burovaya Tekhnika, reception-bt@integra.ru reception-bt@integra.ru
Garry S. Oganov — Doctor of Engineering, Professor, General Director of OJSC NPO “Burovaya Tekhnika, reception-bt@integra.ru reception-bt@integra.ru
Ilya L. Barskiy — Candidate of Physics and Mathematics, leading researcher of OJSC NPO “Burovaya Tekhnika, reception-bt@integra.ru reception-bt@integra.ru

УДК 622.24
Key words: well profile, flutter vibrations, breakpoint, long column stability, double centralizer, clothoid

АThe retrospective evolution of the concept of spontaneous borehole deviation and new ideas on well path control as well as the most effective profiles of directed, multi-hole and horizontal wells corresponding to natural curvature of a drill string is analyzed.

ON THE CREATION OF ENERGY-SAVING PROFILES OF DIRECTED, MULTI-HOLE AND HORIZONTAL WELLS
Alexander M. Gusman — Doctor of Engineering, Professor, Division head of OJSC NPO “Burovaya Tekhnika, reception-bt@integra.ru
Garry S. Oganov — Doctor of Engineering, Professor, General Director of OJSC NPO “Burovaya Tekhnika, reception-bt@integra.ru
Ilya L. Barskiy — Candidate of Physics and Mathematics, leading researcher of OJSC NPO “Burovaya Tekhnika, reception-bt@integra.ru

Key words: well profile, flutter vibrations, breakpoint, long column stability, double centralizer, clothoid