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Keywords: Simulation
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Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 26–28, 2021
Paper Number: URTEC-2021-5024-MS
... cambridge university press dislocation simulation fault stress analysis fracture discontinuity perturbation urtec 5024 reservoir characterization upstream oil & gas general use fracture prediction shear fracture module fault surface stress analysis deformation URTeC: 5024...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 26–28, 2021
Paper Number: URTEC-2021-5074-MS
... study evaluates multiple technologies as potential applications for leak detection and repair (LDAR) programs, utilizing numerical simulation methods to quantify the methane reduction. Employing high-performance computing techniques and parallel algorithms, we performed probabilistic emission...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 26–28, 2021
Paper Number: URTEC-2021-5350-MS
... Abstract Understanding the adsorption characteristics of kerogen with respect to reservoir fluids can have significant impacts on distribution of fluids in organic-rich mudrocks and consequently on electrical and mechanical properties. Recent experimental and molecular dynamics (MD) simulation...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 26–28, 2021
Paper Number: URTEC-2021-5221-MS
... fracked horizontal wells was integrated into a sector model. Simulation of hydraulic fracturing have been performed and the sector model was calibrated to the real hydraulic fracturing data. This has allowed for a better understanding of the fracture propagation and stimulated rock volume in the reservoir...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 26–28, 2021
Paper Number: URTEC-2021-5293-MS
... Abstract Due to the existence of nano-scale porous media in shale reservoirs, there are substantial rock-fluid interactions that can lead to a heterogeneous distribution of molecules and an alteration of the fluid PVT in these reservoirs. Molecular simulation is one of the most accurate...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 26–28, 2021
Paper Number: URTEC-2021-5402-MS
... is an essential component of hydraulic fracturing stimulation. In this paper, we present a modeling study of the problem using an advanced simulator "GeoFrac-3D" that can consider irregular fracture geometries and non-orthogonal intersection between the HF and NF, thereby capturing realistic flow and proppant...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 26–28, 2021
Paper Number: URTEC-2021-5414-MS
... in field data: heart-shaped pattern from a fracture approaching the fiber, stress shadow and fracture hits. The incorporation of shear stress into the simulation generates DSS/DAS time histories that entail complexities beyond what is observed in cases where tensile stress is the unique failure mechanism...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 26–28, 2021
Paper Number: URTEC-2021-5290-MS
.... Introduction Evidence from completion diagnostic studies (Ugueto et al. 2019) indicate less than optimum cluster effectiveness (in this study high cluster effectiveness means all clusters in a stage receive uniform fluid volume). Numerical simulations under ideal conditions show high cluster effectiveness...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 26–28, 2021
Paper Number: URTEC-2021-5697-MS
... wetting for the reported optimum salinities are the contrast in the rock and oil surface potential and the sodium concentration. Spontaneous-imbibition simulations indicate that the low salinity fluids promote a change in water-oil capillary pressure, leading to increased water uptake in the cores...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 26–28, 2021
Paper Number: URTEC-2021-5680-MS
... used molecular dynamics simulations at 239°F to investigate diffusion of hydrocarbon components in an oil composition resembling that of the Niobrara formation. We estimated diffusion coefficients of the oil and its individual components in 10 nm calcite-wall confinement and compared the results...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 26–28, 2021
Paper Number: URTEC-2021-5555-MS
... of 3D fractures, considering the mineral composition and complex texture of elastic-plastic rock such as tight rocks and organic-rich mudstones. We work with a set of micro- and nano-scale digital rock models of the tight-gas Lower Berezov Formation. The simulation allowed us to calculate fracture...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 26–28, 2021
Paper Number: URTEC-2021-5551-MS
... Splines, respectively. The 3D geomodeling was reconstructed using the variogram-based algorithms of Sequential Indicator Simulation (SIS) for lithofacies/electrofacies and Sequential Gaussian Simulation (SGS) for permeability and porosity. Even though the reservoir has a complex structure, the SIS...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 26–28, 2021
Paper Number: URTEC-2021-5646-MS
... was built using a pilot well with full core coverage and high-resolution laboratory measurements of mechanical and reservoir properties that provided high-confidence data across all units of interest. A coupled ultra-fast hydraulic fracture and single-phase reservoir simulator was used for fracturing...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 20–22, 2020
Paper Number: URTEC-2020-2963-MS
... Abstract We present a multiscale digital rock workflow to predict shale matrix permeability, that combines firstprinciples molecular dynamics and lattice Boltzmann flow simulations. Inputs are molecular models for the organic shale content, shale 3D microscopy images, fluid composition...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 20–22, 2020
Paper Number: URTEC-2020-2468-MS
... Abstract The fast marching method (FMM) based rapid simulation has offered significant speed-up, commonly two to three orders of magnitude, for modeling unconventional reservoirs. The key concept here is a coordinate transformation from 3-D to 1-D using the ‘Diffusive-Time-of-Flight' (DTOF...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 20–22, 2020
Paper Number: URTEC-2020-2927-MS
... named IPACS (Integrated Phasefield Advanced Crack Propagation Simulator). Here, we describe a diffusive adaptive finite element phase field approach for modeling natural and hydraulic fractures. High fidelity finite element methods are employed to model multiphase flow with local mass conservation...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 20–22, 2020
Paper Number: URTEC-2020-3254-MS
... based on broad-ion-beam (BIB) scanning electron microscopy (SEM) image analysis. The distribution of water on water-wet clay surfaces is modeled via water sorption simulation using a D3Q19 lattice Boltzmann model (LBM) with consideration of real-gas effect and surface forces. OM is assumed to be free...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 20–22, 2020
Paper Number: URTEC-2020-2544-MS
... between CO 2 and CH 4 , the Longmaxi shale formation in China was selected as the target. In this paper, we provide examples of how experimental isothermal adsorption measurements of sc CO 2 and methane on Longmaxi cores can be integrated into calculations of field scale simulations. A hybrid DFN...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 20–22, 2020
Paper Number: URTEC-2020-3104-MS
... Unconventional reservoirs, such as Permian Basin, have fundamentally different production behaviors than that of the conventional reservoirs because of the low permeability of formations away from the stimulated volume. Thus, it is difficult to run full-field reservoir simulation to generate...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 22–24, 2019
Paper Number: URTEC-2019-184-MS
... Abstract Distributed vibration sensing has provided a new measurement technique for monitoring hydraulic fracture treatments. We demonstrate that successful existing approaches that integrate pumping parameters and microseismic observations with complex fracture simulation and 3D mechanical...

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