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Keywords: fracture
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Proceedings Papers
Feasibility Study of Hydrocarbon Gas Huff-N-Puff in Vaca Muerta Shale: An Analysis on Impact of Shale Maturity on Oil Recovery
Available to Purchase
Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, June 17–19, 2024
Paper Number: URTEC-4031556-MS
... pressure. The results show that after one cycle of hydrocarbon gas HnP, approximately 57% of the original oil-in-place is recovered. We observe that solution-gas drive and gas vaporization during the depletion stage are the main oil-recovery mechanisms. The presence of fractures along the depositional...
Proceedings Papers
Ascertain the Presence of Open Fractures in Tight Carbonate Reservoirs with Integrated Solution
Available to PurchaseKim Long Nguyen, Mahmoud F. Shehab El Dein, Nami Al-Mutairi, Rasha Al-Morakhi, Mohammed Dasma, Lulwa Al-Mijrin, Meshal Abdul Hameed Al-Wadi, Karim Ousididene, Ahmed Moustafa, Mohab El-Masry, Sachindra Sharma, Nawal Kerrouche, Ramdane Bouchou, Mohamed Said
Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, June 17–19, 2024
Paper Number: URTEC-4023323-MS
... Abstract Wellbore natural fracture systems characterization is a key element to achieve the successful exploitation of tight reservoirs, where one of the dominant aspects is permeability. Carbonate reservoir fracture evaluation is challenging in terms of type, density, aperture, and extension...
Proceedings Papers
Successful Implementation of Two Decades of Australian Coal Seam Gas Research Can Improve Low-Permeability Coal Productivity and Recovery
Available to Purchase
Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, June 17–19, 2024
Paper Number: URTEC-4025119-MS
... is improved diagnostic methods to identify and quantify PDP and enable better stimulation of such coals. History-matching diagnostic fracture injection testing (DFIT) after-closure data with reservoir simulators can derive best-fit values for fracture compressibility and aid stimulation designs. The second...
Proceedings Papers
Perforation Efficiency Quantification Utilizing Raw Stimulation Data for Hydraulically Fractured Unconventional Wells
Available to Purchase
Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, June 17–19, 2024
Paper Number: URTEC-4032879-MS
... sequential steps to finally have an estimate of cluster efficiency for each hydraulic fracturing stage. First, raw stimulation data acquired from field operations is filtered out to capture a representative zone of interest. Second, key input parameters such as the instantaneous shut-in pressure (ISIP...
Proceedings Papers
Predicting Hydraulic Fracture Injection Pressure Using Hybrid Model for Completions Optimization
Available to Purchase
Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, June 17–19, 2024
Paper Number: URTEC-4028108-MS
... Abstract Efficient optimization of unconventional field development necessitates understanding and prediction of the hydraulic fracturing process. Conventional models fall short in capturing dynamic fluid and rock behavior, hindering the optimization of completion designs. Analytical models...
Proceedings Papers
Microfluidic Investigation of Ferrofluid Assisted Recovery in Porous Media
Available to Purchase
Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, June 17–19, 2024
Paper Number: URTEC-4033730-MS
... medium consisted of two types that are simple trapping mechanism designs (converging-diverging channel and pore doublet) and sample rock-like designs (sandstone and fractured sandstone). The experimental results confirmed that ferrofluid is an effective enhanced oil recovery agent for both the wetting...
Proceedings Papers
Application of a Sparse Hybrid Data-Driven and Physics Model in Unconventional Reservoirs for Production Forecasting
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Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, June 17–19, 2024
Paper Number: URTEC-4033921-MS
... reservoirs characterized by complex, non-uniform fractures, and multi-phase fluid dynamics. These complexities deviate from the diagnostic behavior seen in planar fractures and single-phase flow. To predict well performance under varying pressures and operational conditions, the Hybrid SNR model combines...
Proceedings Papers
Well Azimuth, Shmin Direction, and First Year's Production in the Permian Basin
Available to Purchase
Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, June 17–19, 2024
Paper Number: URTEC-4029236-MS
... Abstract Unconventional reservoirs typically decline rapidly, with wells producing 40-50% less in their second year of production, compared to their first. Therefore, it is critical to take measures to ensure maximizing the first year's production. Hydraulic fractures should propagate...
Proceedings Papers
Generalization of Butterfly Models to Multi-Well and Enhanced Geothermal Systems
Available to Purchase
Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, June 17–19, 2024
Paper Number: URTEC-4026302-MS
... Abstract Butterfly modeling is a technique used in Fractional Dimension Rate Transient Analysis (FD-RTA) that reduces a system with multiple fractures to an equivalent system with a single fracture. With this approach, numerical simulations run in seconds, enabling the automatic calibration...
Proceedings Papers
Experimental Investigation of Cyclic CO 2 Injection and Storage in Unconventional Reservoirs Under Reservoir Conditions
Available to PurchaseAmirsaman Rezaeyan, Kelvin Humphrey-Kugbega, Son Tran, Adnan Younis, Chengyao Song, Amin Ghanizadeh, Hamidreza Hamdi, Christopher R. Clarkson
Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, June 17–19, 2024
Paper Number: URTEC-4034665-MS
... Abstract A potential solution to mitigate greenhouse gas emissions during hydrocarbon recovery is to employ cyclic CO 2 injection or ‘huff-n-puff (HnP) in multi-fractured horizontal wells completed in unconventional reservoirs. This serves to simultaneously reduce CO 2 emissions and increase...
Proceedings Papers
Multiphysics Characterization of Hydraulic Fracture Height and Parent-Child Well Interference at HFTS-2
Available to PurchaseZhishuai Zhang, Kurt Nihei, Jiehao Wang, Zijun Fang, Yunhui Tan, Daniel Emery, Amit Singh, Yuguang Chen, Chang Li, Dimitri Bevc
Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, June 17–19, 2024
Paper Number: URTEC-4019465-MS
... Abstract Hydraulic stimulation design requires careful consideration of fracture height and the potential parent-child well interference. To unravel the key factors influencing the vertical growth of hydraulic fractures and parent-child well interference during hydraulic stimulation, we...
Proceedings Papers
Porosity, Permeability, and Rock Mechanics Characteristics of Deep Shales Under High-Temperature and High-Pressure Conditions
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Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, June 17–19, 2024
Paper Number: URTEC-4043628-MS
... temperature and pressure, deep shales demonstrate compressive strength up to 478 MPa, with peak strain exceeding 1.5%, indicating hindered fracture initiation and expansion. (d) Compared with siliceous shale, carbonate-bearing siliceous shale and argillaceous siliceous shale are easier to crack under high...
Proceedings Papers
Direct Characterization of Complex Fracture Network Using Improved Rate-Transient Analysis Method in Tight Oil Reservoir Exhibiting Multiphase Flow
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Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, June 17–19, 2024
Paper Number: URTEC-4043591-MS
... Abstract Rate-transient analysis (RTA) has been widely applied to extract reservoir/hydraulic fracture properties with simplifying assumptions (e.g., reservoir/well conditions, fluid/rock properties and fracture geometry). However, the current RTA methods could lead to misdiagnosis of flow...
Proceedings Papers
A Semi-Analytical Poroelastic Solution of Induced Pressure-Stress Changes and Its Applications to Depletion Delineation of Transversely Isotropic Shale Reservoirs
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Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, June 17–19, 2024
Paper Number: URTEC-4027422-MS
... the stress change induced by the production of offset wells with multi-stage fractures in shale reservoirs. Our approach is based on Fourier transform with the assumption of homogeneous and transversely isotropic reservoirs. The developed model converts a given pressure field to the Fourier domain using...
Proceedings Papers
A Study of the Geomechanic and Microseismic Responses of Different Rocks to the Injection of CO 2 : Implication for Carbon Sequestration
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Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, June 17–19, 2024
Paper Number: URTEC-4037963-MS
..., a possible hazard is the creation of fractures that could lead to compromising formation integrity. To optimize injection pressure, operators perform leak-off test using a water-based fluid which has considerably different properties from CO 2 . Thus, the rock geomechanical response (breakdown pressure (P b...
Proceedings Papers
Production Optimization of CO 2 Huff-n-Puff Process in Unconventional Oil Reservoirs with Effects of Gas Relative Permeability Hysteresis, Geomechanics, and Capillary Pressure
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Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, June 17–19, 2024
Paper Number: URTEC-4037410-MS
... subdiscipline vector npv gradient fracture table unconventional resource technology conference iteration 1 URTeC: 4037410 Production Optimization of CO2 Huff-n-Puff Process in Unconventional Oil Reservoirs with Effects of Gas Relative Permeability Hysteresis, Geomechanics, and Capillary Pressure...
Proceedings Papers
Probabilistic Modeling of Well Interference for Shale and Tight Development with Subsurface Uncertainty
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Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, June 17–19, 2024
Paper Number: URTEC-4042580-MS
... Abstract Shale and tight formations are characterized by extraordinarily low permeability (micro- to nano-Darcy) and existence of natural fractures at various scales. Horizontal drilling with multi-stage hydraulic fracturing has enabled commercial oil and gas production from those...
Proceedings Papers
Fractional Dimension Rate Transient Analysis (FD-RTA) Applied to Multiphase Wells
Available to Purchase
Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, June 17–19, 2024
Paper Number: URTEC-4043567-MS
... a reduction of permeability with distance from the well. FD-RTA creates a variation of area perpendicular to flow with distance from fractures by using variable fracture spacing in a well model. Production and pressure data are used to create diagnostic plots that represent the response of a well to constant...
Proceedings Papers
Casing Deformation Risk Prediction with Numerical Simulation During Hydraulic Fracturing in Deep Shale Gas Reservoirs
Available to PurchaseJianfa Wu, Xuewen Shi, Qiyong Gou, Ersi Xu, Dongjun Zhang, Xiaoxu Ren, Ting Yu, Kehan Wu, Yanming Tong, Lipeng Wang, Adrian Rodriguez-Herrera
Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, June 17–19, 2024
Paper Number: URTEC-4043054-MS
... Abstract Multi-stage hydraulic fracturing operations are widely used in long horizontal wells to enhance production in deep shale gas reservoirs in Sichuan Basin. During the stimulation process, casing deformation often occurs. One of the main mechanisms of casing deformation is shear slip...
Proceedings Papers
Shawn Maxwell, Geoffrey Ritter, Trevor Tuttle, Kyle Wilson, Mohammad Tabatabaei, John Sinclair, Aaron Leavitt, Yuchen Liu, Jana Bachleda, Jiang Wu, Faye Liu
Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, June 17–19, 2024
Paper Number: URTEC-4043150-MS
... Abstract A case study in the Uinta Basin integrated multiple diagnostic measurements to understand the interaction between mechanical stratigraphy, fracture geometry and effective drainage for horizontal wells landed within different benches. In the center of a planned development cube...
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