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| Please see our new shipping rates on the Order Details page. International customers may choose to purchase through their local representative. |
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| | | | | | | | Dr. Mikhail Y. Gelfgat |  | Dr. Mikhail Gelfgat is President and CEO of Aquatic Company, an engineering R&D firm in Moscow. Dr. Gelfgat served at Drilling Research Institute for 25 years. His expertise is coring techniques, retractable drillbits, aluminum tubulars, downhole motors and deep wells, and hard rock drilling. He earned his mechanical engineering degree from Moscow High Technical School and his Ph.D. in oil and gas well drilling from VNIIBT. He has published more than 50 papers and articles and is a member of Society of Petroleum Engineers and American Society Mechanical Engineers.
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