STUDY OF FAULT SEALING BY THE 3-D PALEO-TECTONIC NUMERICAL SIMULATION

Fault sealing is closely related to the function of stress. Therefore, we can study fault sealing through calculating the size of normal stress of fault plane, on the basis of considering overburden load and regional major compressive stress. The text discussed the approach to the 3-D tectonic numerical simulation of fault-sealing research by use of the MARC finite element analysis software of American's MSC software company, and cited an example-one fault in Yudong area. The results revealed that the deep and slant angle of fault plane affected fault sealing. And they also expressed that the approach of the 3-D tectonic numerical simulation can not only study the fault-sealing history, but also evaluate the sealing of different layers and different parts.