The Application of Unstructured Gridding Techniques for Full Field Simulation of a Giant Carbonate Reservoir Developed with Long Horizontal Wells

Vestergaard, Helle; Olsen, Henrik Palmer; Sikandar, Ali Shahbaz; Abdulla, Ismail A.; Noman, Rashed

doi:10.2523/11512-ms

Cited by 4 publications

(1 citation statement)

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“…There are three reservoir modeling methods: discrete fracture networks, effective continuum method, and the multiple continuum method (Ghods and Zhang, 2012). (1) Discrete fracture networks (DFN) (Larry and Dogru, 2008;Lim et al, 2009;Vestergaard et al, 2007): DFN assigns a series of specified grid to represent fractures. Fractures are discretely placed in the model and nonlinear partial differential equations (PDE) are solved in the matrix and fractures separately.…”

Section: Introductionmentioning

confidence: 99%

Qualitative modeling of multi-stage fractured horizontal well productivity in shale gas reservoir

Bian

et al. 2016

Energy Exploration & Exploitation

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As an important unconventional gas resource, shale gas has become an important part of gas production in recent years with the advantage of horizontal well drilling and large-scale multistage hydraulic fracturing completion technologies. The shale gas reservoir numerical simulation advances were reviewed and a multi-stage fractured horizontal well numerical simulation was performed to qualitatively modeling the well productivity in over-pressured shale gas reservoir based on actual shale properties and well completion parameters. A single horizontal well model was established on the basis of dual-porosity model and logarithmically spaced grid refinement. A comprehensive comparison and analysis of the initial average gas production, daily gas production, cumulative gas production, adsorbed gas and free gas cumulative production were provided to investigate the influence of matrix permeability, SRV permeability, hydraulic fracture conductivity and half length, SRV size, bottomhole pressure on the well performance. The research shows that for the high matrix permeability (K m > 10 À7 mD) and low SRV permeability (K SRV < 0.01 mD), the SRV permeability has a significant impact on the initial average gas production. For the high matrix permeability (K m > 10 À7 mD) and medium SRV permeability (0.01 mD < K SRV < 0.5 mD), the initial average gas production is controlled by both the matrix and SRV permeability. For the high matrix permeability (K m > 10 À7 mD) and high SRV permeability (K SRV > 0.5 mD), the initial average gas production is mainly controlled by the matrix permeability. When the matrix permeability is lower than 10 À9 mD, the cumulative gas production is too low to be of economic interest. For the matrix permeability (10 À9 mD < K m < 10 À5 mD), the matrix permeability and SRV permeability are all important factors that influence the cumulative gas production. For the matrix permeability (K m > 10 À5 mD), the matrix permeability has much more impact on

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Section: Introductionmentioning

confidence: 99%

Qualitative modeling of multi-stage fractured horizontal well productivity in shale gas reservoir

Bian

et al. 2016

Energy Exploration & Exploitation

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Generalized prism grid: a pillar-based unstructured grid for simulation of reservoirs with complicated geological geometries

Zhang

2018

Comput Geosci

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Fickian diffusion in CO2 injection: A two-phase compositional flow model with fully 3D unstructured gridding

Zidane

Firoozabadi

2021

Fuel

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The Application of Unstructured Gridding Techniques for Full Field Simulation of a Giant Carbonate Reservoir Developed with Long Horizontal Wells

Cited by 4 publications

References 0 publications

Qualitative modeling of multi-stage fractured horizontal well productivity in shale gas reservoir

Qualitative modeling of multi-stage fractured horizontal well productivity in shale gas reservoir

Generalized prism grid: a pillar-based unstructured grid for simulation of reservoirs with complicated geological geometries

Fickian diffusion in CO2 injection: A two-phase compositional flow model with fully 3D unstructured gridding

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