Well control

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Well controlWell controlWell controlWell controlWell controlWell control
Well controlWell controlWell controlWell controlWell controlWell controlWell controlWell controlWell controlWell controlWell controlWell controlWell controlWell controlWell controlWell controlWell controlWell controlWell controlWell controlWell controlWell controlWell controlWell controlWell controlWell controlWell controlWell controlWell control