Description of Incident
During well displacement, a sudden loss in standpipe pressure was observed. (Max circulation pressure at time of the incident was 1750psi). The Driller immediately shut down all mud pumps. The Derrickman confirmed that the discharge dampener on Mud Pump # 3, had separated from the flange area and was wedged in the overhead ducting/pipework above the pump. Note: No personnel were in the pump-room area at the time.
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