دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

v: to use a whipstock, turbodrill, or other mud motor to drill around broken drill pipe or casing that has become lodged permanently in the hole.

v: Binder GG, Carlton LA and Garrett RL: Evaluating Barite as a Source of Soluble Carbonate and Sulfide Contamination in Drilling Fluids, Journal of Petroleum Technology 33, no. 12 (December 1981): 2371-2376.

a second (or higher) attempt to drill a wellbore after the first wellbore has been junked. This saves re-drilling the top part of the hole but requires drop back to a smaller wellbore size in the sidetrack. Also can be a second wellbore.