Formulas and calculations for Drilling and workover.pdf

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Formulas And Calculations for Drilling, Production And Workover

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All the formulas you need to solve drilling and production problems

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Norton J. Lapeyrouse 9

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HP = mud weight. ppg X 0.052 X true vertical depth (TVD), ft Example

mud weight = 13.5 ppg true vertical depth = 12.000 ft

HP = 13.5 ppg X 0.052 X 12.000 ft HP = 8424 psi

mud weight ppg.

Adjust pump output for 85% efficiency: PO @ 85% = 0.128142 bbl stk x 0.85 PO @ 85% = 0.10892 bbl stk