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Keywords: matrix
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Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 26–28, 2021
Paper Number: URTEC-2021-5313-MS
... Abstract Production of hydrocarbons in unconventional resources is determined by matrix access provided by fractures through target production intervals. Fundamentally, these fractures provide a high permeability pathway for produced fluids from the matrix to be transported to the wellbore...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 26–28, 2021
Paper Number: URTEC-2021-5354-MS
... Abstract Various compounds have been studied as aqueous wettability modifiers that alter the matrix wettability for enhanced oil recovery from shales. Their capability of altering the matrix wettability is important, but not sufficient for efficient oil recovery from the tight rock matrix. The...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 26–28, 2021
Paper Number: URTEC-2021-5118-MS
... is a function of fluid diffusion and matrix tortuosity. Recent research shows that total tortuosity in shales can vary over a large range; from 3 to 20, while commonly accepted tortuosity is less than 2.5 for conventional rocks. Additionally, in reservoir rocks more than one fluid is usually present...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 26–28, 2021
Paper Number: URTEC-2021-5526-MS
... calculation efficiency. In recent years, a novel model called the embedded discrete fracture model (EDFM) is developed to efficiently model the flow between the matrix and complex fracture network (Lee et al 2001; Li et al. 2008; Hajibeygi et al. 2011; Xu et al. 2017). Moinfar et al. (2014) extended the EDFM...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 26–28, 2021
Paper Number: URTEC-2021-5363-MS
... dissolved mineral scale reactants are present in the injected fluids and precipitation occurs largely at fracture faces, with minor near-surface mineralization of matrix. Mineral scaling can also be "inside-out", where constituents for mineral scale such as Fe(II) are present in the shale matrix and...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 26–28, 2021
Paper Number: URTEC-2021-5406-MS
... hydrocarbon mehana & viswanathan shale reservoir fracturing fluid diffusion matrix reservoir operation viswanathan permeability kang fracture URTeC: 5406 Discovery Science of Hydraulic Fracturing and Shale Fundamentals Mohamed Mehana*1, Javier E. Santos1,2, Chelsea Neil1, Matthew R...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 20–22, 2020
Paper Number: URTEC-2020-3014-MS
... data, or to find suitable values that can be used to replace the missing values. data quality upstream oil & gas complex reservoir artificial intelligence deviation mask matrix real data dataset complete data generator discriminator matrix urtec 3014 accuracy variation...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 20–22, 2020
Paper Number: URTEC-2020-3248-MS
... Abstract This paper presents a mechanistic simulation study of one-dimensional diffusion when the miscible injectant diffuses into a tight porous medium through the fracture/matrix interface with constant pore volume and temperature. The diffusion model based on the dusty gas model gives the...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 20–22, 2020
Paper Number: URTEC-2020-3213-MS
... techniques for structural mechanics were implemented based on the construction of the dynamic condensation matrix. Single-step reduction methods were first executed; in particular, Guyan DOFs based reduction techniques. Following that, two-step methods were implemented; where corrections were made to the...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 20–22, 2020
Paper Number: URTEC-2020-3323-MS
... Abstract A large amount of fracturing fluid in fracking is imbibed into the shale fracture/matrix system, which leads to a significant uncertainty in gas recovery evaluation. The mechanism of imbibition impact on the gas–water two-phase flow is not well understood. In this study, systematic...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 20–22, 2020
Paper Number: URTEC-2020-2584-MS
... performance and predict changes in geology and pressure regimes relative to an existing similarly landed producer. At the core of this methodology is the innovative estimation of additional pressure induced from stimulation treatment long after closure when there is no more fluid leak-off into the matrix...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 20–22, 2020
Paper Number: URTEC-2020-2435-MS
... geomechanical simulations are coupled. The discrete fracture model (DFM) is implemented in the MATLAB Reservoir Simulation Toolbox (MRST) – an open-source reservoir simulation software. Unstructured meshing is used to discretize the gridding domain, and the matrix-to-matrix, fracture-to-fracture, fracture-to...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 20–22, 2020
Paper Number: URTEC-2020-2846-MS
... complex reservoir segmentation fib-sem dataset artifact artificial intelligence upstream oil & gas loss function segmentation technique architecture dataset matrix dataset 7 information skoltech fib-sem image image segmentation reservoir rock URTeC: 2846 Machine-Learning-Assisted...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 22–24, 2019
Paper Number: URTEC-2019-419-MS
... plays under waterflood. enhanced recovery IFT imbibition test Modeling & Simulation Upstream Oil & Gas spontaneous imbibition test surfactant Brine Bakken waterflooding concentration producer wettability alteration fracture formulation permeability Oil Recovery matrix...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 22–24, 2019
Paper Number: URTEC-2019-478-MS
... concentration society of petroleum engineers spe annual technical conference fracture system fracture tracer matrix reservoir URTeC: 478 Tracer Eluting Proppants for Shale Fracturing Bochao Zhao, Krishna Panthi, Kishore K. Mohanty*; The University of Texas at Austin Copyright 2019, Unconventional...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 22–24, 2019
Paper Number: URTEC-2019-982-MS
... Abstract Proper characterization of heterogeneous rock properties and hydraulic fracture parameters is essential for optimizing well spacing and reliable estimation of EUR in unconventional reservoirs. High resolution characterization of matrix properties and complex fracture parameters...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 22–24, 2019
Paper Number: URTEC-2019-971-MS
... properties made it possible to estimate OM, clays, and porosity for each sample. The compositional analysis, including matrix porosity, OM porosity, and mineralogical composition maps, provided context for the potential of organic-rich and tight rock formations as CO 2- based EOR targets or CO 2 storage...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 22–24, 2019
Paper Number: URTEC-2019-592-MS
... modeling and disconnected fractures are ignored. The impacts of shut-in duration and matrix multiphase flow functions are systematically studied. It is concluded that gas and water production would increase if less water is imbibed into the matrix during the shut-in period in the presence of disconnected...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 22–24, 2019
Paper Number: URTEC-2019-1088-MS
... clays and in theory, can be exposed to a higher chemical potential difference between the native and injected fluid salinity before detrimental permeability reduction is experienced through the volumetric expansion of swelling clays. This fluid flux into the pore spaces of the rock matrix acting as a...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 22–24, 2019
Paper Number: URTEC-2019-134-MS
... presence of complex multiphase fluids saturating pores that vary in size and surface wettability. To address this challenge, NMR signatures from individual matrix components, which make up the source rock are investigated with the purpose of gathering data to develop an improved estimate of producible...

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