DRAG AND TORQUE CALCULATIONS FOR HORIZONTAL WELLS SIMPLIFIED FOR FIELD USE

Jiang Wu, Hans C. Juvkam-Wold Texas A&M University College Station, Tex. Sliding drag and torque can increase dramatically in horizontal and extended-reach wells and may become the limiting factors in determining the horizontal length or extended-reach of a well. Therefore, accurate calculations of drag and torque are necessary for drilling operations.

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