Engineering Tools

Interactive Tools

Engineering calculators and conversion utilities for field work.

⇄ Unit Converter

Value

From

Result

6894.7600 kPa

⦿ Skin Factor Estimator

P1hr (psi)

Pwf (psi)

Slope m (psi/cycle)

k/(φμct rw²)

Skin Factor (S)

3.45 Slight damage

⏱ Horner Time Calculator

Production Time tp (hr)

Shut-in Time Δt (hr)

Horner Time Ratio

11.000 log10 = 1.0414