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Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 22 for “"Fracture Conductivity"”.
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Acid Fracture and Fracture Conductivity Study of Field Rock Samples
… studied experimentally. Acid injection data and fracture conductivity measurements obtained in the research presented in this thesis yielded results that qualified and quantified the impact of a specific acid system on rock samples of varying acid solubility. Six rock samples from a carbonate …
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Impact of Hydraulic Fracture Conductivity Modeling on Well Performance and Development in Unconventional Reservoirs
… represent subsurface behavior. Because hydraulic fractures provide the primary pathways for fluid flow in unconventional reservoirs, accurately modeling fracture geometry and conductivity is essential for generating reliable reserves, production forecasts, and field development plans. Fracture …
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Simulating gas production from hydraulic fracture networks : a case study of the Barnett shale
… is believed to create longer and more complex fracture networks, contacting much greater surface areas of the reservoir while minimizing the fracture face damage through the use of low viscosity fluids with no gel solids. Fracture mapping research in the Barnett shale has shown that the …
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Experimental, Theoretical, and Numerical Investigations of Geomechanics/Flow Coupling in Energy Georeservoirs
… the measured permeability). Optimizing the conductivity of the proppant assembly is another critical component of designing subsurface hydrocarbon production using hydraulic fracturing. Significant fracture conductivity can be achieved at a much lower cost than conventional material costs, …
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Production Analysis and Enhancement in The Unconventional Tight Formations
… and reserves estimation in the hydraulically fractured tight reservoirs. It can identify and model a dual-regime production profile with both linear and boundary dominated flow. Natural fractures and hydraulically induced fractures, either being propped or unpropped, are critical to the well …
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Pore-scale Study of Flow and Transport in Energy Georeservoirs
Optimizing proppant pack conductivity and proppant-transport and -deposition patterns in a hydraulic fracture is of critical importance to sustain effective and economical production of petroleum hydrocarbons. In this research, a numerical modeling approach, combining the discrete element method …
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Physical Optimization of Acid Fracturing with Unified Fracture Design
… is a reservoir stimulation technique where a fracture is created by injection of acid into the reservoir instead of conventional proppant slurry. The acid causes differential etching on the fracture walls, creating asperities. These asperities hold up the fracture wall, thus contributing to …
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Experimental and Numerical Investigation of Nanotechnology on Foam Stability for Hydraulic Fracturing Application
… a well-known stimulation technique for creating fractures in a subsurface formation to achieve profitable production rates in a wellbore. The process involves the injection of a high-pressure fracturing fluid to induce fractures around the wellbore in a target interval enhancing oil and gas …
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Application of artificial intelligence techniques to well spacing optimization in fractured tight reservoirs
… for optimizing well spacing in unconventional fractured tight reservoirs. To achieve this objective, a coupled artificial neural network (ANN) based proxy and evolutionary algorithm is proposed and applied to Avon Hill field in west central Saskatchewan which is a tight fractured oil field. …
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Performance Evaluation of Wells With Single and Multiple Fractures in Tight Formations
… resources economically feasible. Due to complex fracture network and geology nature, evaluating performance of fluids flow in such a hydraulic fracture system is really a challenge. Numerical modeling and simulation usually requires very fine grid to reduce the truncation error and enhance the …
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Modeling karst aquifer response to rainfall
… to generate a linear regression relation between fracture conductivity and potential gradient in a karst aquifer system. Rainfall excess in the form of potential energy from sinkhole sub-basins is input to element nodes and routed through a one-dimensional finite-element mesh to the karst spring …
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Characterization of Filter Cake Buildup and Cleanup under Dynamic Fluid Loss Conditions
… gas reservoirs that uses a viscous fluid to fracture the reservoir rock and uniformly transport proppant to create a highly conductive path that is kept open by the proppant after fracturing. This method is used to improve the productivity of the otherwise low permeability reservoirs. …
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Rate-Transient Analysis of Tight Oil and Gas Reservoirs
… in multiple hydraulic fracturing stages (multi-fractured horizontal wells or MFHWs) have been critical technologies applied to low-permeability (tight) oil and gas reservoirs in recent decades, resulting in commercial production. For each stage in a MFHW, the formation is fractured by injecting …
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Coupled 3-d numerical simulation of proppant transport and fluid flow in hydraulic fracturing
… used in oil and gas industry to create high conductivity flow paths for hydrocarbons to flow from the reservoir matrix to the wellbore. Hydraulic fracturing is a complex process including different physical and chemical phenomena. It involves rock mechanics for the part of fracture …
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Analytical Modeling of Multi-Fractured Horizontal Wells in Heterogeneous Unconventional Reservoirs
Current analytical models for multi-fractured horizontal wells (MFHW) generally neglect reservoir heterogeneity, typical seepage characters of unconventional reservoir, partially penetrating fracture and various fracture damage mechanisms. In this thesis, three linear flow models have been …
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Production performance evaluation of energized fracturing fluids in unconventional formations
… can vary significantly perhaps because of better fracture containment and lower rock water sensitivity in some fields. Across all the areas studied, foam completions on average were found to have 5-20% lower costs and lower water and proppant requirements by 72-87% and 7-38%, respectively. …
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Numerical simulation of fluid flow, proppant transport and fracture propagation in hydraulic fractures for unconventional reservoirs.
… distribution of proppant injected in hydraulic fractures significantly affects fracture-conductivity and well-performance. The proppant transport and suspension in thin fracturing fluid used in unconventional reservoirs are considerably different from those of fracturing fluids in conventional …
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3D modeling and characterization of hydraulic fracture efficiency integrated with 4D/9C time-lapse seismic interpretations in the Niobrara Formation, Wattenberg field, Denver Basin
… by the ability to effectively hydraulic fracture stimulate the reservoir using multistage horizontal wells. Subsequent to any mechanical issues that affect production from lateral wells, the variability in production performance and reserve recovery along multistage lateral shale wells is …
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Fracture Stimulation by Nano-assisted Foam-based Fluids in High-Temperature Reservoirs
Fracture stimulation, or hydraulic fracturing, has been increasingly implemented to extract and enhance oil and gas production from unconventional resources with very low permeability. In this stimulation technique, fracturing fluid is injected at very high pressure into the underground to initiate …
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Feasibility study of sedimentary enhanced geothermal systems using reservoir simulation
… commercial in terms of its formation conductivity. Therefore, the target formation may require reservoir stimulation for commercially viable power generation. Lastly, reservoir simulation models with average petrophysical properties obtained from the well log analysis of the target …
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