Mud Pits 5
Mud Pits 5 : See Reserve Pits. Excavations near the rig into which drilling mud is circulated. Mud pumps withdraw the mud from one end of the pit as the circulated mud, bearing rock chips from the bore hole, flows in at the other end. As the mud moves toward the suction line, the cuttings drop out leaving "clean" mud ready for another drip down the well bore
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