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Keywords: displacement
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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
... and nonwetting phases and showed four different mechanisms by which ferrofluids could improve recovery at the microscale that are (i) direct displacement (ii) deforming and breaking trapped nonwetting phase (iii) directing flow to target zones (iv) diverting flow away from fractures or high permeability zones...
Proceedings Papers
Generalization of Butterfly Models to Multi-Well and Enhanced Geothermal Systems
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Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, June 17–19, 2024
Paper Number: URTEC-4026302-MS
... unconventional resource technology conference flow in porous media seg unconventional resource technology conference formulation jorge implementation acuna perpendicular complex reservoir fracture conductivity displacement extension enhanced geothermal system jorge compressibility interference...
Proceedings Papers
Comparative Experimental Investigation of Damage Variables for Sedimentary and Geothermal Rock Specimens Based on 3D-DIC
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Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, June 17–19, 2024
Paper Number: URTEC-4055572-MS
... of sedimentary rock (shale, sandstone, and carbonate) and HDR samples are examined under uniaxial (D 1.5", L 2") and diametrical (D 1.5", L1") compression utilizing a precision 100 kN Instron electro-mechanical load frame with a constant displacement of 0.05 mm/min. HDR samples are collected from the Department...
Proceedings Papers
A Numerical Model for Analyzing Mechanical Slippage Effect on Cross-Well Distributed Fiber Optic Strain Measurements During Fracturing
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Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, June 13–15, 2023
Paper Number: URTEC-3853764-MS
... model first uses the three-dimensional Displacement Discontinuity Method (DDM) to calculate displacement fields induced by hydraulic fractures. The model then takes into account the occurrence of slippage and calculate the fiber displacement distribution with slippage effect. Additionally, the model can...
Proceedings Papers
The Fundamental Role of Electrostatic Forces Within Pore Systems and Their Effects on Resource Evaluation and Reservoir Performance: Capillary Forces Theory
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Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, June 20–22, 2022
Paper Number: URTEC-3718137-MS
... displacement of pore water from wet reservoirs during hydrocarbon emplacement. These forces are measured with capillary pressure drainage curves. Secondly, the capillary film water and oil phases are immiscible but also bonded to some degree by polar components within the oil that can bridge the interface...
Proceedings Papers
Water Imbibition and Oil Recovery in Shale: Dynamics and Mechanisms Using Integrated Cm-to-Nm-Scale Imaging
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Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, June 20–22, 2022
Paper Number: URTEC-3721559-MS
... Abstract Water imbibition and associated oil displacement is an important process in shale oil reservoirs after hydraulic fracturing and in water-based enhanced oil recovery. Current techniques for water imbibition measurement are mostly "black-box" type of methods. More explicit understanding...
Proceedings Papers
Fracture Diagnostics in Naturally Fractured Formations: An Efficient Geomechanical Microseismic Inversion Model
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Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, June 20–22, 2022
Paper Number: URTEC-3723539-MS
... of equations is used to generate simulated microseismic events for a fracturing treatment. The limited far-field displacement (LFFD) method, is used to generate expected microseismic events. These are then compared with measurements and used to infer the geometry of the created fracture network...
Proceedings Papers
Quantification of Thermal Effects on Cross-Well Low-Frequency Distributed Acoustic Sensing Measurements
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Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 26–28, 2021
Paper Number: URTEC-2021-5527-MS
... into boundary elements. Consider that a constant line heat source with unit heat strength is located along each element at initial time, the temperature, displacements, and stresses at any arbitrary point can be calculated based on the integral fundamental solutions. We construct different numerical experiments...
Proceedings Papers
Triaxial Direct-shear Reveals the True Magnitude of Shear Fracture Roughness Effects on Flow
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Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 26–28, 2021
Paper Number: URTEC-2021-5536-MS
... fracture frictional strength complex reservoir displacement experiment mpa fracture permeability hydraulic aperture solid earth shear fracture friction angle hydraulic fracturing strength axial displacement shale specimen shear stress geophysical research URTeC: 5536 Triaxial Direct...
Proceedings Papers
Propagating of Hydraulic Fractures from Horizontal Wellbores: Effects of In-situ Stress and Near Wellbore Stress Redistribution
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Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 26–28, 2021
Paper Number: URTEC-2021-5661-MS
... or nonlinear deformation of a wellbore should be considered together with the fracture propagation conditions. wellbore integrity displacement mpa hydraulic fracturing phase-field method plane strain condition reservoir characterization wellbore design fluid pressure stress difference top...
Proceedings Papers
Permeability Increase by Shear Slip During Shale Reservoir Stimulation
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Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 20–22, 2020
Paper Number: URTEC-2020-2643-MS
... shear slip underlying in shale reservoir stimulation are still poorly understood. shale gas fluid dynamics & ghassemi complex reservoir displacement flow rate flow in porous media upstream oil & gas urtec 2643 dilation shear slip stress drop fracture shale sample fracture...
Proceedings Papers
Development of Agile Framework for Model-Order Reduction of Large-Scale Geomechanical Models: A Novel Workflow for Coupled Simulations
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Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 20–22, 2020
Paper Number: URTEC-2020-3213-MS
... matrix complex reservoir frequency modeling & simulation fluid dynamics accuracy master degrees-of-freedom convergence dynamic two-dimensional reservoir problem vector matrix displacement guyan condensation iterative technique reservoir geomechanics upstream oil & gas full model...
Proceedings Papers
Stress-Displacement Analysis of Bedding Planes in the Near-wellbore Region During Drilling
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Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 20–22, 2020
Paper Number: URTEC-2020-2601-MS
... such as Poisson's ratio, Biot's coefficient, the friction angle of bedding planes, and the strength parameters of rock bedding. More specifically, this study aims to analyze the geomechanical behavior, particularly the stress-displacement in the near wellbore region of an open-hole drilled well in a heterogeneous...
Proceedings Papers
Visualization of Complex Shale Swelling at Lamina-Scale
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Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 20–22, 2020
Paper Number: URTEC-2020-2635-MS
... deformation in interaction with water. A speckle pattern is applied to the specimen and then the deformation of the specimen during imbibition is captured using a digital camera. The images are analyzed using a 2D-DIC image processing software to obtain displacements and strains. Tuscaloosa Marine Shale...
Proceedings Papers
Experimental Study of Fracture Permeability With or Without Proppants on Vaca Muerta Gas Shale
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Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 22–24, 2019
Paper Number: URTEC-2019-998-MS
... as fracture propagation, filling material of natural fractures/joints and the permeability before and after stimulation (Su K et al. 2014). fracturing materials shale gas hydraulic fracturing flow in porous media proppant fracturing fluid displacement mechanical closure evolution fracture...
Proceedings Papers
Triaxial Direct Shear Fractured Marcellus (MSEEL) Shale - Peak and Residual Shear Strength, Permeability, and Hydroshear Potential
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Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 22–24, 2019
Paper Number: URTEC-2019-435-MS
... required to form and reactivate fractures was measured over a range of effective confining stresses from 2 to 30 MPa. Initially intact, specimens of 25 mm diameter and 25 mm length were stressed to reservoir conditions, fractured by direct-shear, and then subjected to shearing displacements of up to 3 mm...
Proceedings Papers
Rapid Development of a Smart Stimulation Fluid Additive
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Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 22–24, 2019
Paper Number: URTEC-2019-622-MS
... media revealed all surfactants formulated through the DoE outperformed the standard offerings by greater than 30% when evaluating the efficacy of the blends to displace oil from cores. However, the addition of some demulsifier-type components to the blends adversely impacted the magnitude of improved...
Proceedings Papers
Experimental and Numerical Investigation of the Slippage of a Natural Fracture Resulting from an Approaching Hydraulic Fracture
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Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 22–24, 2019
Paper Number: URTEC-2019-597-MS
... and displacement in fracture are considered in this coupled model. At the breakdown point during hydraulic fracturing, a strain jump is recorded, which is accompanied by increased AE activity. Analysis of the data clearly shows the occurrence of slippage on the joint in response to an approaching hydraulic...
Proceedings Papers
Textural Characteristics of Shale Deformations, and Associated Distribution Models: Implications for Shale Reservoir Fluid Flow
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Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 22–24, 2019
Paper Number: URTEC-2019-591-MS
... of the potential reservoir, including both displacements along natural fractures and new deformations. Thus, HF in unconventionals leads to the need to understand if deformation features, such as those studied herein, may be located within suitable rock types, and how the resulting textures and patterns...
Proceedings Papers
A Pore-Scale Study of Non-Aqueous Foam for Improving Hydrocarbon Miscible Flooding in Water-Sensitive Tight Oil Formations
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Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 22–24, 2019
Paper Number: URTEC-2019-955-MS
... or methane) and NGLM with a foam stabilizing additive may provide a recovery scheme with both strong displacement and sweep efficiency. The foaming ability of a hydrocarbon liquid and how such non-aqueous foam influences miscible displacement are the main focuses of this study. n-Pentane was used...
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