THE MULTI-PARAMETER QUANTITATIVE PREDICTION OF RESERVOIR FRACTURE OF FU-2 MEMBER IN TIAN 96 FAULT BLOCK OF JINHU SAG

ZHOU Ju-biao; SHI Xian-da; DING Yu-sheng; KAN Yan-kun; SHI Xin-yue

Volume 21 Issue 3

Sep. 2015

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Article Navigation > Journal of Geomechanics > 2015 > 21(3): 341-350

ZHOU Ju-biao, SHI Xian-da, DING Yu-sheng, et al., 2015. THE MULTI-PARAMETER QUANTITATIVE PREDICTION OF RESERVOIR FRACTURE OF FU-2 MEMBER IN TIAN 96 FAULT BLOCK OF JINHU SAG. Journal of Geomechanics, 21 (3): 341-350.

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THE MULTI-PARAMETER QUANTITATIVE PREDICTION OF RESERVOIR FRACTURE OF FU-2 MEMBER IN TIAN 96 FAULT BLOCK OF JINHU SAG

Anhui Production Plant of Jiangsu Oilfield Company, SINOPEC, Tianchang 239300, Anhui, China

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Abstract

Abstract

Based on the theory of strain energy and surface energy, the relationship between the fracture parameters and the ancient and present earth stresses at the fracture forming period in Tian 96 fault block of Jinhu sag was established by using Griffith rock-cracking principle. The type and direction of the ancient earth stress were determined through the structure analysis, and the direction and strength of the present earth stress were calculated by using the method of sound velocity and hydraulic fracturing. The numerical simulation results of the ancient and modern stress field were substituted into the calculating model of fracture parameter to calculate the density, opening, porosity and permeability of the fractures in Fu-2 member in Tian 96 fault block. And the fracture prediction results were verified using the ancient stress field analysis and core statistics. Eventually the main factors that affect fractures development in Tian 96 fault block were analyzed comprehensively.
- Tian 96 fault block,
- earth stress,
- reservoir fracture,
- influencing factors,
- numerical simulation

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