ConocoPhillips achieves industry first with rotary-steered casing drilling

ConocoPhillips, Tesco Corp., and Schlumberger Ltd. successfully tested rotary-steerable casing drilling in South Texas, combining directional drilling technology with casing drilling."Each of these technologies is highly valuable to ConocoPhillips in its own right," said Helene Harding, Conoco- Phillips general manager for Lower 48 Gulf Coast. "The combination of them is extraordinarily powerful and has application around the globe."Rotary-steerable directional drilling allows drillers to accurately direct the well path and safely drill around wellbores in highly congested areas, such as beneath a production platform. When combined with downhole logging-while-drilling tools, the bit can b...

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