In hydraulic fracture test, an induced fracture was created at 12.8 MPa. The fracture was reopened in three subsequent cycles. The reopening pressure at third cycle was found to be 6.4 MPa. If the tensile strength of rock is 6.3 MPa, and the pore water pressure is negligible. Determine the maximum and minimum principle stresses if the shut - in pressure was found to be 5.9 MPa

In hydraulic fracture test, an induced fracture was created at 12.8 MPa. The fracture was reopened in three subsequent cycles. The reopening pressure at third cycle was found to be 6.4 MPa. If the tensile strength of rock is 6.3 MPa, and the pore water pressure is negligible. Determine the maximum and minimum principle stresses if the shut - in pressure was found to be 5.9 MPa

Understanding Business

12th Edition

ISBN:9781259929434

Author:William Nickels

Publisher:William Nickels

Chapter1: Taking Risks And Making Profits Within The Dynamic Business Environment

Section: Chapter Questions

Problem 1CE

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