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UPDATED 1 Sept: The EI library in London is temporarily closed to the public, as a precautionary measure in light of the ongoing COVID-19 situation. The Knowledge Service will still be answering email queries via email , or via live chats during working hours (09:15-17:00 GMT). Our e-library is always open for members here: eLibrary , for full-text access to over 200 e-books and millions of articles. Thank you for your patience.
Practical drilling technology---rotary steerable system replaces slide mode for directional drilling applications. J. Haugen. OGJ, 2 March 1998, 96(9), 65--68, 70, 71.
A new rotary steerable system is described which combines the drilling efficiency advantages of rotary assemblies with the control associated with bent-housing motor techniques. The system's downhole computer can automatically guide the tool along a planned well path, and two-way communication between surface operators and the downhole assembly permits adjustments to system parameters and the well path without interrupting the drilling process. 3 refs.
Abstract details
Journal title: Oil and Gas Journal
Subjects: Mechanical and industrial engineering, Domestic, Oil and gas, Oil, Primary energy production, Directional drilling
