Conductor casing Conductor casing is the first string set below the structural casing (i.e., drive pipe or marine conductor run to protect loose near-surface formations and to enable circulation of ...

New equations for calculating the collapse strength of worn casing can aid future casing string design. During any drilling, it is inevitable that drill pipe rotation and tripping will cause casing ...

Planning, modeling, collecting data, and maintaining flexible response options are necessary to drill thick, highly mobile salt sections successfully. A continuous circulation system to monitor and ...