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Industry Article: High-Performance Turbodrill

High-Performance Turbodrill
Publication: Journal of Petroleum Technology
Publication Date: 09/01/2011

A second-generation steerable turbodrill has been developed by Neyrfor, a Schlumberger company. It is designed specifically for directional-drilling and precision horizontal-drilling applications. The Neyrfor Delta Series incorporates the shortest bit-to-bend distance in its class. High-performance applications include curve, horizontal, and tangent directional drilling; highpressure/high-temperature drilling; openhole, whipstock, and cement-plug sidetracks; polycrystalline-diamond-compact- and impregnated-diamond-bit drilling; and geothermal drilling.



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