Optimized approach to conduct hydraulic fracturing test on true tri-axial stress condition

Runhua Feng, Hongyu Wang, Mohsen Abdolghafurian, Nathan Tarom, Salemi Hossein, Ayman Ezdini, Ali Rezagholilou

    Research output: Chapter in Book/Conference paperConference paper

    6 Citations (Scopus)

    Abstract

    Hydraulic fracturing has been widely applied to enhance hydrocarbon recovery in oil and gas field, especially for unconventional reservoir in which the permeability is usually nano-Darcy. In the field implementation, numerical modelling is initially performed, then the field testing (i.e. minifrac test) are conducted to infer the geological parameters. However, it is vital to perform laboratory tests (i.e. rock mechanical and hydraulic fracturing tests.) to obtain the rock mechanical parameters and important observations, which helps to mitigate uncertainties and risks encountered in both simulation modelling and field testing. Thus, a series of rock mechanical tests (i.e. unconfined/confined compressive, Brazilian tensile, and semi-circular bending) were conducted. Scaling analysis and true triaxial stress cell were applied to ensure the fracture propagated at the analogues field condition. Next, the logistic experimental procedure was explained and hydraulic fracturing tests were conducted on the 10cm cubic samples under true triaxial stresses. The unpredictable results were discussed and the optimized approaches were proposed. We concluded that system leakage and unbalanced stress loading can be detected and fixed at the earlier stage to avoid the sample was damaged.

    Original languageEnglish
    Title of host publicationProceedings of the 52nd U.S. Rock Mechanics/Geomechanics Symposium
    PublisherAmerican Rock Mechanics Association (ARMA)
    Publication statusPublished - 1 Jan 2018
    Event52nd U.S. Rock Mechanics/Geomechanics Symposium - Seattle, United States
    Duration: 17 Jun 201820 Jun 2018
    http://armasymposium.org/

    Conference

    Conference52nd U.S. Rock Mechanics/Geomechanics Symposium
    CountryUnited States
    CitySeattle
    Period17/06/1820/06/18
    Internet address

    Fingerprint

    triaxial stresses
    Hydraulic fracturing
    fracturing
    hydraulics
    Rocks
    Testing
    rock
    Hydrocarbons
    rocks
    Logistics
    Oils
    Gases
    gas field
    oil field
    modeling
    leakage
    Recovery
    logistics
    oil fields
    Computer simulation

    Cite this

    Feng, R., Wang, H., Abdolghafurian, M., Tarom, N., Hossein, S., Ezdini, A., & Rezagholilou, A. (2018). Optimized approach to conduct hydraulic fracturing test on true tri-axial stress condition. In Proceedings of the 52nd U.S. Rock Mechanics/Geomechanics Symposium American Rock Mechanics Association (ARMA).
    Feng, Runhua ; Wang, Hongyu ; Abdolghafurian, Mohsen ; Tarom, Nathan ; Hossein, Salemi ; Ezdini, Ayman ; Rezagholilou, Ali. / Optimized approach to conduct hydraulic fracturing test on true tri-axial stress condition. Proceedings of the 52nd U.S. Rock Mechanics/Geomechanics Symposium. American Rock Mechanics Association (ARMA), 2018.
    @inproceedings{ccec2b66f35d4de19e18ea619d8c63c0,
    title = "Optimized approach to conduct hydraulic fracturing test on true tri-axial stress condition",
    abstract = "Hydraulic fracturing has been widely applied to enhance hydrocarbon recovery in oil and gas field, especially for unconventional reservoir in which the permeability is usually nano-Darcy. In the field implementation, numerical modelling is initially performed, then the field testing (i.e. minifrac test) are conducted to infer the geological parameters. However, it is vital to perform laboratory tests (i.e. rock mechanical and hydraulic fracturing tests.) to obtain the rock mechanical parameters and important observations, which helps to mitigate uncertainties and risks encountered in both simulation modelling and field testing. Thus, a series of rock mechanical tests (i.e. unconfined/confined compressive, Brazilian tensile, and semi-circular bending) were conducted. Scaling analysis and true triaxial stress cell were applied to ensure the fracture propagated at the analogues field condition. Next, the logistic experimental procedure was explained and hydraulic fracturing tests were conducted on the 10cm cubic samples under true triaxial stresses. The unpredictable results were discussed and the optimized approaches were proposed. We concluded that system leakage and unbalanced stress loading can be detected and fixed at the earlier stage to avoid the sample was damaged.",
    author = "Runhua Feng and Hongyu Wang and Mohsen Abdolghafurian and Nathan Tarom and Salemi Hossein and Ayman Ezdini and Ali Rezagholilou",
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    Feng, R, Wang, H, Abdolghafurian, M, Tarom, N, Hossein, S, Ezdini, A & Rezagholilou, A 2018, Optimized approach to conduct hydraulic fracturing test on true tri-axial stress condition. in Proceedings of the 52nd U.S. Rock Mechanics/Geomechanics Symposium. American Rock Mechanics Association (ARMA), 52nd U.S. Rock Mechanics/Geomechanics Symposium, Seattle, United States, 17/06/18.

    Optimized approach to conduct hydraulic fracturing test on true tri-axial stress condition. / Feng, Runhua; Wang, Hongyu; Abdolghafurian, Mohsen; Tarom, Nathan; Hossein, Salemi; Ezdini, Ayman; Rezagholilou, Ali.

    Proceedings of the 52nd U.S. Rock Mechanics/Geomechanics Symposium. American Rock Mechanics Association (ARMA), 2018.

    Research output: Chapter in Book/Conference paperConference paper

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    AU - Hossein, Salemi

    AU - Ezdini, Ayman

    AU - Rezagholilou, Ali

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    AB - Hydraulic fracturing has been widely applied to enhance hydrocarbon recovery in oil and gas field, especially for unconventional reservoir in which the permeability is usually nano-Darcy. In the field implementation, numerical modelling is initially performed, then the field testing (i.e. minifrac test) are conducted to infer the geological parameters. However, it is vital to perform laboratory tests (i.e. rock mechanical and hydraulic fracturing tests.) to obtain the rock mechanical parameters and important observations, which helps to mitigate uncertainties and risks encountered in both simulation modelling and field testing. Thus, a series of rock mechanical tests (i.e. unconfined/confined compressive, Brazilian tensile, and semi-circular bending) were conducted. Scaling analysis and true triaxial stress cell were applied to ensure the fracture propagated at the analogues field condition. Next, the logistic experimental procedure was explained and hydraulic fracturing tests were conducted on the 10cm cubic samples under true triaxial stresses. The unpredictable results were discussed and the optimized approaches were proposed. We concluded that system leakage and unbalanced stress loading can be detected and fixed at the earlier stage to avoid the sample was damaged.

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    Feng R, Wang H, Abdolghafurian M, Tarom N, Hossein S, Ezdini A et al. Optimized approach to conduct hydraulic fracturing test on true tri-axial stress condition. In Proceedings of the 52nd U.S. Rock Mechanics/Geomechanics Symposium. American Rock Mechanics Association (ARMA). 2018