1.

Which of the following is correct regarding the fracture gradient?

A. It is the ratio of Fracture closure pressure to a depth
B. Pressure gradient in the fracture in excess of the fracture propagation pressure gradient
C. Pressure gradient in the fracture in less of the fracture propagation pressure gradient
D. The pressure required to hold the fracture open
Answer» B. Pressure gradient in the fracture in excess of the fracture propagation pressure gradient


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