Finite Element Simulation of Wireline Formation Tester Applied in Fractured Reservoir

Di Dejia*, Tao Guo, Wang Hua , Zhang Kuo
China University of Petroleum-Beijing, 18 Fuxue Road, Changping, Beijing China 102249.

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© 2012 Dejia et al.;

open-access license: This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International Public License (CC-BY 4.0), a copy of which is available at: This license permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Correspondence: * Address corresspondence to this author at the China University of Petroleum-Beijing, 18 Fuxue Road, Changping, Beijing China 102249; Tel: (86)01089733754; E-mail;


This paper used finite element method to simulate the pressure response of wireline formation tester applied in fractured reservoir. At first, the interval pressure transient tests (IPTT) are used to test the pressure response for both crossing well bore and non-crossing fractures in low permeability formation. The simulation results indicate that the fractures crossing the well bore can have dramatic effect on pressure response depending on fractures conductivity, but non-crossing fractures in the vicinity of the well bore have negligible effect. Then the paper used numerical simulation to analyze the feasibility that evaluates the fractures non-crossed well bore with the method of harmonic pulse testing, the results indicate both harmonic amplitude and phase shift are sensitive to the conductivity of fractures in the vicinity of well bore and certify the method can be used to evaluate the fractures efficiently.

Keywords: Finite element method, Wireline formation tester, Interval pressure transient tests.