دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

a small fracture treatment, without proppant, pumped into a well to assess fracture breakdown pressure, fracture extension pressure, fluid loss coefficient, frac fluid efficiency and fracture closure time.

the pressure necessary to extend the fracture once initiated. The fracture extension pressure may rise slightly with increasing fracture length and/or height because of friction pressure drop down the length of the fracture. Fracture roughness, fracture w

n: fracture pressure above which make formation fracture proceeded after formation fracturing.

same as fracture extension pressure.