Hydromechanical behavior of fault zones in petroleum reservoirs

Authored by: S.A.B. da Fontoura , N. Inoue , G.L. Righetto , C.E.R. Lautenschläger

Rock Mechanics and Engineering

Print publication date:  June  2017
Online publication date:  June  2017

Print ISBN: 9781138027633
eBook ISBN: 9781315364223
Adobe ISBN:

10.1201/9781315364223-17

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Abstract

The presence of faults is expected to affect the flow of fluids through areas of the reservoir and to have an effect on the mechanical behavior of the reservoir itself. It is a known fact that hydrocarbon production and fluid injection into the earth crust may induce seismicity and undesired reservoir fluid leakage due to localized movements along faults. The behavior of a fault zone depends on the stresses acting upon it and the stresses do change during reservoir production. This chapter discusses the mechanical and hydraulic properties of fault zones within petroleum reservoirs. We offer suggestions on how to couple the hydromechanical processes in order to evaluate the possibility of fault reactivation.

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