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  1. Ross1985

    Rate of Pressure Drop Vs Volumetric / Mass Flowrate

    @ MBT I do actually save the leak off test record sheet, and the calculation together but don't tend to share it with every man and his dog. You're probably right though, if people had access to it and could see the working then it might deter them from coming up with 'better' solutions...
  2. Ross1985

    Rate of Pressure Drop Vs Volumetric / Mass Flowrate

    Good morning guys, thank you for your quick replies and feedback. We are the duty holders of the platform so our technical authorities are the custodians of the performance standard. The application of the valve is a boundary emergency shutdown valve on a riser for one of the subsea tiebacks...
  3. Ross1985

    Rate of Pressure Drop Vs Volumetric / Mass Flowrate

    Hi all, I'm looking for a bit of advice. When conducting a valve leak test, we pressure the pipework upstream of the valve, record the temperature and pressures (upstream and downstream), leave for 30 minuntes, and then record temperatures and pressures again. We then use ideal gas law...
  4. Ross1985

    Effect of tie-in point downstream of Pump

    Hi all, My first post on these forums. Hopefully this will be an easy one to answer: I've been asked to review how/if tie-ing a water main to a Methanol flowline will effect the Methanol pumps upstream of the tie-in point. I'm trying to figure out if an increase in density or if a change...

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