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Skip to Search Results- 4Graduate and Postdoctoral Studies (GPS), Faculty of
- 4Graduate and Postdoctoral Studies (GPS), Faculty of/Theses and Dissertations
- 3ERA General Collection
- 3ERA General Collection/Research Materials (ERA General)
- 2Civil and Environmental Engineering, Department of
- 2Civil and Environmental Engineering, Department of/Research Materials (Civil & Environmental Engineering)
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Fall 2013
Batch reaction tests were conducted on Lea Park shale from Pembina Cardium Field in Alberta to investigate geochemical alterations induced by exposing brine/CO2 mixtures at designed pressure and temperature. Dissolution of illite and growth of cluster-coating structures were observed on rock...
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2021-04-30
Pang, Wanying, Wang, Yingnan, Jin, Zhehui
Shale/tight gas plays an increasingly important role to meet the growing global energy demand and reduce carbon emissions. Unlike conventional reservoirs, shale formations are subject to rock heterogeneity and have pore size distributions ranging from sub-1 nm to a few micrometers. Thanks to the...
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Hydrocarbon mixture phase behavior in multi-scale systems in relation to shale oil recovery: The effect of pore size distributions
Download2021-05-01
Shale media contains a large amount of nano-scale pores, with their total pore volume comparable to that of the connected macropores and natural/hydraulic fractures (bulk). Previous work largely neglected the interplay between nanopores and bulk region as well as the effect of pore size...
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Molecular Dynamics Study on CO2 Storage in Water-Filled Kerogen Nanopores in Shale Reservoirs: Effects of Kerogen Maturity and Pore Size
Download2020-12-21
Li, Wenhui, Zhang, Mingshan, Nan, Yiling, Pang, Wanying, Jin, Zhehui
CO2 sequestration in shale reservoirs is an economically viable option to alleviate carbon emission. Kerogen, a major component in the organic matter in shale, is associated with a large number of nanopores, which might be filled with water. However, the CO2 storage mechanism and capacity in...
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Numerical Assessment of the Maximum Operating Pressure for SAGD Projects by Considering the Intrinsic Shale Anisotropy
Download2017-01-01
Ehsan Rahmati, Alireza Nouri, Vahidoddin Fattahpour, Japan Trivedi
This paper investigates the effect of anisotropic behavior of caprock shales on the caprock failure pressure in SAGD projects. Shales and mudstones exhibit strong anisotropy at the micro and macro scales. However, the anisotropic behavior has been neglected in the existing published works on...
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Numerical Assessment of the Maximum Operating Pressure for SAGD Projects Considering the Effects of Anisotropy and Natural Fractures
Download2017-01-01
Ehsan Rahmati, Alireza Nouri, Vahidoddin Fattahpour, Japan Trivedi
There has been an increasing awareness of the importance of caprock integrity during Steam Assisted Gravity Drainage (SAGD) operations. However, mathematical tools that have been developed for caprock integrity studies have not incorporated an important characteristic of cap shales, which is...
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Spring 2021
The Upper Devonian Duvernay Formation is an important hydrocarbon source rock in the Western Canada Sedimentary Basin and has been a significant unconventional oil, gas liquids, and gas reservoir since 2011. Heterogeneity in this and other shale reservoirs is important in predicting rock...
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Fall 2014
Abstract Abundant hydrocarbon resources in low-permeability formations are now accessible due to technological advances in multi-lateral horizontal drilling and multi-stage hydraulic fracturing operations. The recovery of hydrocarbons is enhanced by the creation of extensive fracture networks....