Modeling Fracture Propagation in a Dual-Porosity System: Pseudo-3D-Carter-Dual-Porosity Model

Fatima Al Hameli, Abhijith Suboyin, Mohammed Al Kobaisi, Md Motiur Rahman, Mohammed Haroun

    Research output: Contribution to journalArticlepeer-review

    4 Scopus citations


    Despite the significant advancements in geomodelling techniques over the past few decades, it is still quite challenging to obtain accurate assessments of hydraulic fracture propagation. This work investigates the effect of fluid leak-off in a dual-porosity system on the hydraulic fracture propagation geometry, which, in turn, affects hydrocarbon recovery from tight and unconventional reservoirs. Fracture propagation within tight reservoirs was analyzed using the Pseudo Three-Dimensional-Carter II model for single- (P3D-C) and dual-porosity systems (P3D-C-DP). Previous studies have accounted for leak-off in single-porosity models; however, studies within dual-porosity systems are still quite limited. We present a novel approach to coupling fluid leak-off in a dual-porosity system along with a fracture-height growth mechanism. Our findings provide important insights into the complexities within hydraulic fracturing treatment design using our new and pragmatic modeling approach. The simulation results illustrate that fluid leak-off in dual-porosity systems contributes to a confined fracture half-length ((Formula presented.), that is 31% smaller using the P3D-C-DP model as opposed to the single-porosity model (P3D-C). As for the fracture height growth ((Formula presented.), the P3D-C-DP model resulted in a 40% shorter fracture height compared to the single-porosity model.

    Original languageBritish English
    Article number6779
    Issue number18
    StatePublished - Sep 2022


    • dual-porosity
    • fluid leak-off
    • hydraulic fracture
    • P3D-C model


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