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Numerical Investigation of Water Loss Mechanisms During Hydraulic Fracturing Flow-Back Operation in Tight Oil Reservoirs
DownloadSpring 2016
Multi-stage hydraulic fracturing is widely applied in tight reservoir exploitation. Production is enhanced significantly if hydraulic fractures can connect to regions with enhanced permeability due to the presence of micro (and induced) fractures. However, less than 50% of fracturing fluids are...
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Numerical Simulation of Shale Gas Production and Fracturing Fluid Distribution: Integration of Apparent Permeability and Secondary Fracture Network Modeling
DownloadFall 2019
Complex flow mechanisms are encountered in shale matrix due to the presence of nanopores. Numerous apparent permeability models have been proposed to capture the ensuing non-Darcy flow behavior. However, these models are not readily available in most commercial reservoir simulators, and ignoring...
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Quantifying Matrix and Fracturing Water Contributions to the Total Produced Water Based on the Water-flowback Responses
DownloadFall 2023
The main goal of this thesis is to evaluate the possibility of quantifying matrix and fracturing water contributions to the total produced water based on the water-flowback responses without analyzing water chemical data. We analyze flowback production data of 380 multi-fractured horizontal oil...
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Residents’ perception of hydraulic fracturing and their engagement in hydraulic fracturing in Lethbridge, Fox Creek, and Rosebud, Alberta, Canada
DownloadFall 2020
Alberta has been dependent upon oil and gas extraction for over a hundred years, resulting in a particular set of political-economic conditions. Up to date, 93 percent of all the conventional oil in Alberta has been extracted. Therefore, to maintain resource rents, unconventional sources of oil...
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Secondary Interaction of Fracturing Fluid and Shale Plays: A Reservoir Geomechanics Approach
DownloadSpring 2022
During hydraulic fracturing in unconventional tight formations a high percentage of the injected fluid may remain in the formation and only a small portion of the fracturing fluid is typically recovered. Although spontaneous imbibition is mainly introduced as the main dominating mechanism, a...
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Smeared Modeling of Hydraulic Fracture Using Partially Coupled Reservoir and Geomechanics Simulators
Download2019-01-01
Morteza Roostaei, Siavash Taghipoor, Alireza Nouri, Vahidoddin Fattahpour, Dave Chan
There are aspects of the hydraulic fracturing process that remain unresolved for weakly consolidated sandstones. These issues include fracture modes and geometries for weak sandstones, and higher-than-expected fracture pressure in some field projects. The development of shear bands and the...
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Fall 2018
It has been long known that industrial activities can trigger earthquakes and the topic of “induced earthquake” embraces a great deal of scientific interest in recent years. Globally, several damaging events (i.e., Mw>5) have been linked with fluid injection/extraction. In the Western Canada...
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The impact of hydraulic fracturing fluid on two key aquatic species: the water flea, Daphnia magna, and the rainbow trout, Oncorhynchus mykiss.
DownloadSpring 2019
Wastewater produced during hydraulic fracturing activities (termed flowback and produced water; FPW), is a complex solution containing metals, organics and high concentrations of salts. The number of reported FPW spills affecting aquatic and/or terrestrial environments has increased with the rise...
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2021-01-01
This picture captures Rodney, a tree farmer I interviewed for my research as we walked through his farm in Taranaki, New Zealand. Rodney has a deep connection to his place, but he is also afraid things could change. A predominantly agricultural and rural region, Taranaki is considered the centre...
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The sorption characteristics of inorganic and organic compounds found in hydraulic fracturing flowback and produced water: Implications for fate and transport
DownloadFall 2019
In recent years, due to increasing energy demands, hydraulic fracturing operations for recovering unconventional hydrocarbon resources has increased. Wastewater recovered is referred to as flowback and produced water (FPW), and is often saline, contains numerous organic and inorganic...