Coordinated efforts allow drilling through highly depleted sand

05/07/2001
With up to a 13,000-psi differential pressure, BP successfully drilled through a depleted sand in a South Louisiana well. Its close attention to operational procedures avoided stuck pipe and unmanageable mud losses.The procedures used reduced total drilling costs by avoiding downtime associated with a high-pressure differential and by managing the sand without having to run larger casing.BP has encountered only one instance of mechanically stuck pipe associated with the depleted sands in the last four wells drilled.Drilling the trend Click here to enlarge imageBP and its predecessors have been drilling Louisiana's Tuscaloosa trend for more than 20 years (Fig. 1).1 Judge Digby field c...
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