The mathematical model in HYDPRO and MUDPRO + are the same. Is input setup for calculation matching different in HYDPRO and MUDPRO +? The pressure at bottom is greater than the pressure at surface, but the ECD at bottom might be the same as it at surface. It includes the annulus frictional pressure loss.ĮCD = EMW + annulus frictional pressure loss/0.052/TVD. It includes the cuttings contribution.ĮMW = cuttings density * cuttings concentration + mud weight * (1 – cuttings concentration)ĮCD: Equivalent circulation density. What is the difference between ECD and EMW in Report table in Output Window?ĮMW: Equivalent mud weight. Such as If the calculation interval is set to 500 ft, the program will calculate the hydraulics profile when the bit moves every 500 ft. The calculation interval defines the bit depth locations at which the pressure profile calculation is conducted.
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