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SUNUP: Drilling Mud on Land Research duration 5 minutes 18 seconds SUNUP: Drilling Mud on Land Research SUNUP: Drilling Mud on Land Research	SUNUP: Drilling Mud on Land Research Lyndall Stout interviews Chad Penn on water-based drilling mud. research drilling mud extension osu oklahoma state university field crops teaching mud sunup caption complete water lahoma soil chad penn From Agricultural Communications Services, Division of Agricultural S 0