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The complexity of drilling operations is constantly increasing. By changing the perspective of automation from a pure machine control mindset to a drilling control one, it is possible to provide proactive assistance to the drilling crew during drilling operations. This needs to take in use physical models of the drilling process. Such mechanical, hydraulic and heat transfer models are dependent on...
The history of oilwell drilling includes a number of innovative techniques to infer the conditions down-hole and their impact on drilling performance. Surface and down-hole sensors have been deployed to measure related physical phenomena that can be generally associated with the actual environment. Some direct measurements have been made after drilling using sensors suspended on a wire line, and this...
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