دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: 1. the depth in a well at which casing is set, generally the depth at which the casing shoe rests.2. the objective depth in a drilling contract, either a specified depth or the depth at which a specific zone is penetrated. When the depth is reached, the operator makes a decision with respect to running and setting a production string of casing. Under some farm- out and letter agreements, some owners are carried to casing point.

n: The depth of casing shoe in the wellbore.

the depth at which a casing string is set, either by design or because the mud can no longer control the pressure of the next deeper zone without adding weighting agents that would break down upper intervals.