From the aspect o“f artificial reservoir development”,the whole-fracture simulation method and fine geologic modeling were applied to the study of the dynamic extension process and the characteristics of the combination of proppant and in-situ low-permeability reservoir formed in hydraulic fracturing process. A new index named“dynamic asymmetric index of hydraulic fracture”could be used to characterize the characteristics of hydraulic fracturing dynamics,which is the evaluation parameter of the combination of in-situ reservoir and proppant. The dynamic response characteristics of this index in conventional logging curve was explored,and the evaluation system of dynamic asymmetric extension characteristics based on conventional logging data was established. The research results show that the whole-fracture simulation method is better than the semi-fracture asymmetric simulation method based on the conventional logging data,which is helpful to reservoir heterogeneity research. The dynamic asymmetric index of hydraulic fracture can reflect the asymmetric extension scale of hydraulic fracturing in a certain fracturing time. Combined with reservoir physical properties and current development state,it can provide guidance for the full utilization of reservoirs. The analysis of dynamic asymmetric extension characteristics of hydraulic fracture is an important research direction for EOR.
Reference
Related
Cited by
Get Citation
DU Shuheng, PANG Shan, SHI Yongmin. Numerical simulation of dynamic asymmetric extension process in hydraulic fracturing[J]. Petroleum Geology and Recovery Efficiency,2018,25(4):106~114