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Keywords: natural fracture
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Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 26–28, 2021
Paper Number: URTEC-2021-5153-MS
... geomechanics wellbore integrity reservoir characterization well logging upstream oil & gas facies wellbore design natural fracture geomechanical rock type mechanical stratigraphy deformation complex reservoir stratigraphy modeling mechanical stratigraphy modeling mechanical properties...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 26–28, 2021
Paper Number: URTEC-2021-5031-MS
... horizontal well detection window treatment well fracture complex reservoir natural fracture perforation cluster fracture swarm hydraulic fracture image log wellbore URTeC: 5031 Defining Hydraulic Fracture Geometry Using Image Logs Recorded in the Laterals of Horizontal Infill Wells D P Craig*1...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 26–28, 2021
Paper Number: URTEC-2021-5459-MS
..., but are not limited to, high water production, high decline rates, casing deformation and frac hits. These challenges can be related to the fact that the formation is highly heterogeneous, reflecting variation in depositional facies, mechanical properties, occurrence of natural fractures, and stratigraphic changes...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 26–28, 2021
Paper Number: URTEC-2021-5450-MS
... and hydraulic fractures that have been analyzed. Previous works have detailed the nature of the fractures recovered in the core, identifying 375 hydraulic fractures, 309 calcite-sealed natural fractures, and 8 faults (Gale et al., 2018). We studied the likelihood for fractures to be initiated or reactivated...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 26–28, 2021
Paper Number: URTEC-2021-5175-MS
... fractures, most having fibrous cement (beef), and some showing top-to-north bed-parallel shear are present. Faults with normal/oblique movement were found in one part of the core. Drilling induced and core-handling breaks were identified in all cores, and were also noted to have reactivated some natural...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 26–28, 2021
Paper Number: URTEC-2021-5271-MS
... Abstract Individual well performance in the Marcellus Shale of northeastern Pennsylvania varies markedly, even in areas where the lithology, fluid composition, and completion design are consistent. A primary reason for this is the natural fracture system, which influences hydraulic fracture...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 26–28, 2021
Paper Number: URTEC-2021-5243-MS
... fracture network growth in relation to inherent lithology, geomechanical properties, and interaction with pre-existing natural fractures. This paper presents a characterization workflow incorporating pre- and post-stimulation subsurface data, unique to the HFTS-2 dataset. The study integrated: (1) rock...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 26–28, 2021
Paper Number: URTEC-2021-5285-MS
... Abstract Numerical simulation results of multi-stage hydraulic fracturing in a naturally fractured reservoir with explicit representation of a realistic number and geometry of discrete natural fractures is presented. The parametric study considers different strengths and hydrological...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 26–28, 2021
Paper Number: URTEC-2021-5221-MS
... workflow has allowed us to observe the role that geology, natural fractures, rock mechanical properties and stress regimes play in the fracture propagation for the unconventional Diyab play. The model simulations show how the hydraulic fractures propagate and how they interact with pre-existing natural...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 26–28, 2021
Paper Number: URTEC-2021-5402-MS
... Abstract In unconventional reservoirs, the existence of natural fractures is evident from the analysis of data gathered with techniques like well logs, core studies, and micro-seismic interpretation. In hydraulic stimulation of these reservoirs, propagating hydraulic fracture (HF) generally...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 26–28, 2021
Paper Number: URTEC-2021-5414-MS
... modeling of DSS/DAS that is capable of incorporating the interaction phenomenon existing between hydraulic and natural fractures. The model is used in a sensitivity study varying orientation, distribution, and length of natural fractures, with the objective to assist and optimize field data interpretation...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 26–28, 2021
Paper Number: URTEC-2021-5688-MS
... unconventional reservoirs. production control shale oil reservoir characterization deep learning artificial intelligence neural network upstream oil & gas formation property formation parameter simulator natural fracture transfer learning production monitoring shale gas oil shale urtec...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 26–28, 2021
Paper Number: URTEC-2021-5526-MS
... Abstract Enhanced Geothermal Systems (EGS) have gained great attention since they promise to delivers geographically disperse, carbon-free energy with minimal environmental impact. Natural fracture networks have a major impact on EGS heat extraction. The objective of our model is to evaluate...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 20–22, 2020
Paper Number: URTEC-2020-2447-MS
... Abstract The Middle Devonian Marcellus shale play has emerged as a major world-class hydrocarbon accumulation and represents one of the largest and most prolific shale plays in the world. According to many outcrop studies in the region, natural fractures are well developed in the Marcellus...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 20–22, 2020
Paper Number: URTEC-2020-2620-MS
.... Bedding planes and natural fractures with low deviations are developed in the sandstones. This tectonically active in-situ stress state and the low angle natural fractures make the hydraulic fracture to propagate either horizontally or vertically but with small fracture height, which are unfavorable...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 20–22, 2020
Paper Number: URTEC-2020-2775-MS
... Abstract An innovative simulation methodology was developed that incorporates fine scale features of complex reservoir geology, the details of hydraulic and natural fracture networks, and compositional modeling to account for the injected propane-oil interaction. The simulation models were used...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 20–22, 2020
Paper Number: URTEC-2020-2737-MS
... analysis approach is to provide a high-resolution quantitative diagnosis of hydraulic and natural fractures with the full-physics model, which will benefit the fracturing operation design and decision-making process in the unconventional reservoir. In this work, we developed a comprehensive numerical...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 20–22, 2020
Paper Number: URTEC-2020-3106-MS
... Abstract The existence of natural fractures in tight reservoirs causes great uncertainty in the infill-well completion. However, it is difficult to quantify the effects of natural fractures on stress evolution and frac hits due to the stochastic manner of the natural fracture system...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 20–22, 2020
Paper Number: URTEC-2020-2955-MS
... of the hydraulic and natural fractures are quantified based on widely-adopted fracture constitutive models. The flowback signatures under various fracture geometries are characterized by plotting different diagnostic plots. Fluid phase and pressure distributions are presented to help explain the mechanisms...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 20–22, 2020
Paper Number: URTEC-2020-2780-MS
... hydraulic fracture simulation, and reservoir flow modeling helped establish a baseline understanding of the relationship between 3D reservoir characterization and proppant transport. Seismic data was interpreted to understand structural components and natural fracture characterization. Elastic inversions...

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