Lattice Numerical Simulations of Hydraulic Fracture Propagation and Their Geometry Evolution in Transversely Isotropic Formations

Accurate prediction of the fracture geometry before the operation of a hydraulic fracture (HF) job is important for the treatment design. Simplified planar fracture models, which may be applicable to predict the fracture geometry in homogeneous and continuous formations, fail in case of fractured re...

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Autores principales:	Dezhi Qiu, Jun Zhang, Yinhe Lin, Jinchuan Liu, Minou Rabiei, Vamegh Rasouli, Branko Damjanac, Rui Huang
Formato:	article
Lenguaje:	EN
Publicado:	Frontiers Media S.A. 2021
Materias:	hydraulic fracture laminated formations stimulated reservoir area stress anisotropy fracture propagation fracture geometry Science Q
Acceso en línea:	https://doaj.org/article/dfa9cc22ef76440c9be313d2901c586c
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id	oai:doaj.org-article:dfa9cc22ef76440c9be313d2901c586c
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spelling	oai:doaj.org-article:dfa9cc22ef76440c9be313d2901c586c2021-11-30T18:13:03ZLattice Numerical Simulations of Hydraulic Fracture Propagation and Their Geometry Evolution in Transversely Isotropic Formations2296-646310.3389/feart.2021.787736https://doaj.org/article/dfa9cc22ef76440c9be313d2901c586c2021-11-01T00:00:00Zhttps://www.frontiersin.org/articles/10.3389/feart.2021.787736/fullhttps://doaj.org/toc/2296-6463Accurate prediction of the fracture geometry before the operation of a hydraulic fracture (HF) job is important for the treatment design. Simplified planar fracture models, which may be applicable to predict the fracture geometry in homogeneous and continuous formations, fail in case of fractured reservoirs and laminated formations such as shales. To gain a better understanding of the fracture propagation mechanism in laminated formations and their vertical geometry to be specific, a series of numerical models were run using XSite, a lattice-based simulator. The results were studied to understand the impact of the mechanical properties of caprock and injection parameters on HF propagation. The tensile and shear stimulated areas were used to determine the ability of HF to propagate vertically and horizontally. The results indicated that larger caprock Young’s modulus increases the stimulated area (SA) in both vertical and horizontal directions, whereas it reduces the fracture aperture. Also, larger vertical stress anisotropy and tensile strength of caprock and natural interfaces inhibit the horizontal fracture propagation with an inconsiderable effect in vertical propagation, which collectively reduces the total SA. It was also observed that an increased fluid injection rate suppresses vertical fracture propagation with an insignificant effect on horizontal propagation. The dimensionless parameters defined in this study were used to characterize the transition of HF propagation behavior between horizontal and vertical HFs.Dezhi QiuDezhi QiuJun ZhangYinhe LinJinchuan LiuMinou RabieiVamegh RasouliBranko DamjanacRui HuangFrontiers Media S.A.articlehydraulic fracturelaminated formationsstimulated reservoir areastress anisotropyfracture propagationfracture geometryScienceQENFrontiers in Earth Science, Vol 9 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	hydraulic fracture laminated formations stimulated reservoir area stress anisotropy fracture propagation fracture geometry Science Q
spellingShingle	hydraulic fracture laminated formations stimulated reservoir area stress anisotropy fracture propagation fracture geometry Science Q Dezhi Qiu Dezhi Qiu Jun Zhang Yinhe Lin Jinchuan Liu Minou Rabiei Vamegh Rasouli Branko Damjanac Rui Huang Lattice Numerical Simulations of Hydraulic Fracture Propagation and Their Geometry Evolution in Transversely Isotropic Formations
description	Accurate prediction of the fracture geometry before the operation of a hydraulic fracture (HF) job is important for the treatment design. Simplified planar fracture models, which may be applicable to predict the fracture geometry in homogeneous and continuous formations, fail in case of fractured reservoirs and laminated formations such as shales. To gain a better understanding of the fracture propagation mechanism in laminated formations and their vertical geometry to be specific, a series of numerical models were run using XSite, a lattice-based simulator. The results were studied to understand the impact of the mechanical properties of caprock and injection parameters on HF propagation. The tensile and shear stimulated areas were used to determine the ability of HF to propagate vertically and horizontally. The results indicated that larger caprock Young’s modulus increases the stimulated area (SA) in both vertical and horizontal directions, whereas it reduces the fracture aperture. Also, larger vertical stress anisotropy and tensile strength of caprock and natural interfaces inhibit the horizontal fracture propagation with an inconsiderable effect in vertical propagation, which collectively reduces the total SA. It was also observed that an increased fluid injection rate suppresses vertical fracture propagation with an insignificant effect on horizontal propagation. The dimensionless parameters defined in this study were used to characterize the transition of HF propagation behavior between horizontal and vertical HFs.
format	article
author	Dezhi Qiu Dezhi Qiu Jun Zhang Yinhe Lin Jinchuan Liu Minou Rabiei Vamegh Rasouli Branko Damjanac Rui Huang
author_facet	Dezhi Qiu Dezhi Qiu Jun Zhang Yinhe Lin Jinchuan Liu Minou Rabiei Vamegh Rasouli Branko Damjanac Rui Huang
author_sort	Dezhi Qiu
title	Lattice Numerical Simulations of Hydraulic Fracture Propagation and Their Geometry Evolution in Transversely Isotropic Formations
title_short	Lattice Numerical Simulations of Hydraulic Fracture Propagation and Their Geometry Evolution in Transversely Isotropic Formations
title_full	Lattice Numerical Simulations of Hydraulic Fracture Propagation and Their Geometry Evolution in Transversely Isotropic Formations
title_fullStr	Lattice Numerical Simulations of Hydraulic Fracture Propagation and Their Geometry Evolution in Transversely Isotropic Formations
title_full_unstemmed	Lattice Numerical Simulations of Hydraulic Fracture Propagation and Their Geometry Evolution in Transversely Isotropic Formations
title_sort	lattice numerical simulations of hydraulic fracture propagation and their geometry evolution in transversely isotropic formations
publisher	Frontiers Media S.A.
publishDate	2021
url	https://doaj.org/article/dfa9cc22ef76440c9be313d2901c586c
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_version_	1718406415290204160

Lattice Numerical Simulations of Hydraulic Fracture Propagation and Their Geometry Evolution in Transversely Isotropic Formations

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