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Browsing School of Mining and Geosciences by Title
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Adoko, Amoussou Coffi; Gokceoglu, Candan; Yagiz, Saffet
(Engineering Geology, 2017-08-30)
Abstract One of the essential tasks in the excavation of tunnels with TBM is the reliable estimation of its performance needed for the planning, cost control and other decision making on the feasibility of the tunneling ...
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Alimzhanov, Akseleu
(Nazarbayev University School of Mining and Geosciences, 2022-03-25)
A critical step in open pit mining is determining the appropriate sequence of block extraction, which has a significant impact on mining profitability. The open-pit mining block sequencing issue, which emerges at this ...
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Zivar, Davood; Pourafshary, Peyman; Moradpour, Nikoo
(Springer, 2021-01-02)
Different oil displacement experiments conducted on sandstone and carbonate samples show that low salinity water (LSW) injection can reduce the residual oil saturation (ROS). Recently, surfactant flooding (SF) in combination ...
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Zivar, Davood; Pourafshary, Peyman; Moradpour, Nikoo
(Journal of Petroleum Exploration and Production Technology, 2021-01-02)
Different oil displacement experiments conducted on sandstone and carbonate samples show that low salinity water (LSW) injection can reduce the residual oil saturation (ROS). Recently, surfactant flooding (SF) in combination ...
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Shakeel, Mariam; Samanova, Aida; Pourafshary, Peyman; Hashmet, Muhammad Rehan
(Energies, 2021)
Several studies have shown the synergetic benefits of combining various chemical enhanced
oil recovery (CEOR) methods with engineered waterflooding (EWF) in both sandstones and carbonate
formations. This paper compares ...
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Madani, Nasser; Sadeghi, Behnam
(Natural Resources Research, 2018)
Fractal/multifractal modeling is a widely used geomathematical approach to capturing different
populations in geochemical mapping. The rationale of this methodology is based on
empirical frequency density functions ...
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Cainelli, Francesca; Argandykov, Dias; Kaldarbekov, Dauren; Mukarov, Murat; Tran Thi Phuong, Liên; Germain, Dominique P.
(Frontiers Media S.A., 2021-04-27)
Background: Fabry disease (FD, OMIM #301500) is a rare, progressive, X-linked inherited, genetic disease due to the functional deficiency of lysosomal α-galactosidase (α-GAL) that leads to the accumulation of glycosphingolipids ...
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Salaudeen, Ibraheem; Hashmet, Muhammad Rehan; Pourafshary, Peyman
(MDPI AG, 2021-06-23)
The use of engineered water (EW) nanofluid flooding in carbonates is a new enhanced oil recovery (EOR) hybrid technique that has yet to be extensively investigated. In this research, we investigated the combined effects ...
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Battalgazy, Nurassyl; Madani, Nasser
(Natural Resources Research, 2019-03)
Mineral resource classification plays an important role in the downstream activities of a
mining project. Spatial modeling of the grade variability in a deposit directly impacts the
evaluation of recovery functions, such ...
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Bakhytzhanova, Madina
(Nazarbayev University School of Mining and Geosciences, 2020)
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Smagambetov, Bekzhan
(Nazarbayev University School of Mining and Geosciences, 2022-04-04)
Shafts play an important function in terms of safety and profitability throughout the life of a mining operation. The access shaft stability has always been a significant challenge in mining engineering, especially as ...
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Hashim Abbas, Azza; Abd Alsaheb, Ramzi A.; Kamil Abdullah, Jaafar
(Petroleum, 2022)
In chemical enhanced oil recovery (CEOR), it is very important to utilize the excessive usage of chemicals. A great opportunity lies in adopting natural surfactants, since it is cheaper, ecosystem friendly, and less toxic ...
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Tazikeh, Simin; Davoudi, Abdollah; Shafiei, Ali; Parsaei, Hossein; Atabaev, Timur Sh.; Ivakhnenko, Oleksandr P.
(ACS Omega, 2022)
Predicting asphaltene onset pressure (AOP) and bubble point pressure (Pb) is essential for optimization of gas
injection for enhanced oil recovery. Pressure-Volume-Temperature or PVT studies along with equations of state ...
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Ismagulov, Shyngys
(School of Mining and Geosciences, 2023-04-20)
The petroleum industry plays a crucial role in the global economy, but the construction and operation of underground pipelines in petroleum fields are associated with significant economic and environmental challenges. This ...
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Khan, Javed Akbar; Irfan, Muhammad; Irawan, Sonny; Yao, Fong Kam; Abdul Rahaman, Md Shokor; Shahari, Ahmad Radzi; Glowacz, Adam; Zeb, Nazia
(MDPI, 2020-07-17)
Stuck pipe incidents are one of the contributors to non-productive time (NPT), where they can result in a higher well cost. This research investigates the feasibility of applying machine learning to predict events of stuck ...
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Madani, Nasser; Emery, Xavier
(Stochastic Environmental Research and Risk Assessment, 2018-07-06)
Cokriging allows predicting coregionalized variables from sampling information, by considering their spatial joint depen- dence structure. When secondary covariates are available exhaustively, solving the cokriging equations ...
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Yermukhanbetov, K; Yazitova, A; Yagiz, S
(Mechanics and Rock Engineering, from Theory to Practice, 2022)
Rock brittleness is one of the most significant properties of rock having a major impact
not only on the failure process of intact rock but also on the response of rock mass to rock
excavation. In fact, the brittleness ...
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Yang, Jie; Yagiz, Saffet; Liu, Ying-Jing; Laouafa, Farid
(Underground Space, 2021-05-14)
To date, the accurate prediction of tunnel boring machine (TBM) performance remains a considerable challenge owing to the complex
interactions between the TBM and ground. Using evolutionary polynomial regression (EPR) and ...
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Bekmurat, Altynay
(Nazarbayev University School of Mining and Geosciences, 2022-08-08)
The uniaxial compressive strength is a very important parameter in mine design. For weak
rocks such as coal, it is particularly difficult to obtain cores for mechanical testing. Especially for the weak rocks, another ...
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Madani, Nasser; Carranza, John
(Natural Resources Research, 2020-02-01)
Identification of geochemical anomalies is of particular importance for tracing the footprints
of anomalies. This can be implemented by advanced techniques of exploratory data analysis,
such as fractal/multi-fractal ...