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Browsing Articles by Title
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Bayramov, Emil; Buchroithner, Manfred; Kada, Martin; Duisenbiyev, Askar; Zhuniskenov, Yermukhan
(Frontiers in Environmental Science, 2022)
This study focused on the quantitative assessment of the vertical displacement velocities
retrieved using Sentinel-1 and Cosmo-SkyMed synthetic aperture radar images for the
Tengiz oilfield. Tengiz oilfield was selected ...
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Eze, Peter, E.; Madani, Nasser; Coffi Adoko, Amoussou
(Natural Resources Research, 2018-04)
With a mining-driven economy, Botswana has experienced increased geochemical exploration of minerals around existing mining towns. The mining and smelting of copper and nickel around Selibe-Phikwe in the Central Province ...
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Shafiei, Ali; Dusseault, Maurice; Kosari, Ehsan; Taleghani, Morteza
(Energies 2018, 2018-02-01)
In this paper, we characterized the natural fracture systems and inferred the state of in situ
stress field through an integrated study in a very complex and heterogeneous fractured carbonate
heavy oil reservoir. Relative ...
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Zivar, Davood; Pourafshary, Peyman
(Nazarbayev University School of Mining and Geosciences, 2019-02-20)
CO2 injection is one of the most promising techniques to enhance oil recovery. The most favorable properties of CO2 made this method popular and it has been widely used since 1950. Experimentally, the effect of CO2 injection ...
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Mai, N. L.; Topal, Erkan; Erten, O.
(Journal of the Southern African Institute of Mining and Metallurgy, 2018-07-01)
Mathematical programming has been applied to optimizing open pit mine planning problems since the early 1960s. Nonetheless, it still remains challenging to obtain a life-of-mine plan with current computational hardware and ...
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Ganiyeva, Aizada; Karabayanova, Leila; Pourafshary, Peyman; Hashmet, Muhammad Rehan
(Applied Sciences, 2022)
Low salinity/engineered water injection is an effective enhanced oil recovery method, con firmed by many laboratory investigations. The success of this approach depends on different criteria
such as oil, formation brine, ...
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Battalgazy, Nurassyl; Madani, Nasser
(25th World Mining Congress 2018. Proceedings. Geological Exploration., 2018)
Geostatistical modeling of Iron grade (Fe) in metalliferous deposits is a rationale stage in further analysis of mine design such as mine planning and mineral processing plant optimization. This procedure is becoming ...
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Cha, Minsu; Alqahtani, Naif B.; Yin, Xiaolong; Wang, Lei; Yao, Bowen; Kneafsey, Timothy J.; Miskimins, Jennifer L.; Wu, Yu-Shu
(MDPI, 2021-09-01)
In cryogenic fracturing, a rock surface exposed to cryogenic fluids undergoes a large thermal gradient, and the resultant local tensile stress overcomes rock strength and initiates fractures. This study investigates the ...
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Jahari, Ahmad Fadhil; Shafan, Siti Rohaida Mohd; Husin, Hazlina; Razali, Norzafrah; Irawan, Sonny
(Springer Science and Business Media B.V., 2021-04-12)
Micromodel can provide valuable information to improve understanding of pore-scale transport phenomenon and can also be utilized to simulate the transport process at pore scale. This research aims to propose settlement ...
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Bayramov, Emil; Buchroithner, Manfred; Kada, Martin
(Taylor & Francis Open Access, 2020-12-07)
The primary objective of these studies was to quantitatively assess the ground deformation velocities and rates and their natural and man-made controlling factors as the potential risks along the seismically active 70 km ...
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Bayramov, Emil; Buchroithner, Manfred; Kada, Martin; Zhuniskenov, Yermukhan
(MDPI AG, 2021-07-01)
This research focused on the quantitative assessment of the surface deformation velocities and rates and their natural and man‐made controlling factors at Tengiz Oilfield in Kazakhstan using the Small Baseline Subset remote ...
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Bayramov, Emil; Buchroithner, Manfred; Kada, Martin
(MDPI, 2020-12-01)
This research focused on the quantitative assessment of the surface deformation velocities
and rates and their natural and man-made controlling factors as the potential risks along the
seismically active 70 km section ...
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Madani, Nasser
(Mathematics, 2022)
It has been more than a decade since sequential indicator simulation was proposed to model
geological features. Due to its simplicity and easiness of implementation, the algorithm attracts the
practitioner’s attention ...
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Madani, Nasser; Emery, Xavier
(The Southern African Institute of Mining and Metallurgy, 2018-08)
The quantification and classification of mineral resources and ore reserves is often based on an assessment of the certainty (or uncertainty) of the estimates of tonnage and grade of elements of interest (metals and ...
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Mohammadi, Saheb; Sedaghatzadeh, Mostafa; Pourafshary, Peyman
(SN Applied Sciences, 2020-06-22)
The salt formation creeping can signifcantly afect the casing stability, because of the changes in mechanical and geome chanical parameters. The creeping of Gachsaran salty formation in the south part of Iran has infuences ...
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Madani, Nasser; Saffet, Yagiz; Coffi Adoko, Amoussou
(Minerals, 2018-11-15)
The rock quality designation is an important input for the analysis and design of rock structures as reliable spatial modeling of the rock quality designation (RQD) can assist in designing and planning mines more efficiently. ...
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Battalgazy, Nurassyl; Madani, Nasser
(MDPI, 2019-11-04)
Modeling multivariate variables with complexity in a cross-correlation structure is always applicable to mineral resource evaluation and exploration in multi-element deposits. However, the geostatistical algorithm for such ...
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Biyanto, T. R.; Cordova, H.; Matradji; Anggrea, T. O.; Suryowicaksono, H.; Irawan, S.
(IOP Publishing Ltd, 2021)
Stuck pipes are one of the most serious drilling problems, stuck pipes can cost the oil industry hundreds of millions of dollars per year. One way to avoid the risk of a stuck pipe is to predict the condition of a stuck ...
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Pourafshary, Peyman; Al-Abria, H; Mosavat, Nader; Al Hadhrami, H
(ELSEVIER, 2018-07-05)
Low salinity water is an emerging enhanced oil recovery (EOR) method that causes wettability alteration towards a favorable state to reduce residual oil saturation, while water alternating gas (WAG) is a proven EOR process ...
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Javad Nazarahari, Mohammad; Khaksar Manshad, Abbas; Moradi, Siyamak; Shafiei, Ali; Abdulazez Ali, Jagar; Sajadi, S. Mohammad; Keshavarz, Alireza
(MDPI, 2020-11-17)
In this paper, synthesis and characterization of a novel CeO2/nanoclay nanocomposite (NC) and its effects on IFT reduction and wettability alteration is reported in the literature for the first time. The NC was characterized ...