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  1. pressure increase &decrease

    what causes pump pressure increase suddenly during drilling??? and

    what causes pump pressure decrease suddenly during drilling???


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    Re: pressure increase &decrease

    decrease in pressure could be due to loss...drilling break...or washout of drill pipe
    and increase could be due bit balling of nozzle choking but other reason could also be

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    Re: pressure increase &decrease

    Quote Originally Posted by samiwarraich View Post
    decrease in pressure could be due to loss...drilling break...or washout of drill pipe
    and increase could be due bit balling of nozzle choking but other reason could also be
    In addition to the colleague:
    Increase= Increase on drilling cuttings, plug in the system (mud pumps, mud lines, surface valves, drilling string),
    Decrease = Washout in the surface systems (suctions, mud pump, mud line, stand pipe, valves, top drive, kelly system)

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