Система будет остановлена для регулярного обслуживания. Пожалуйста, сохраните рабочие данные и выйдите из системы.
Browsing School of Mining and Geosciences by Title
-
Kizatov, Yeskendir
(School of Mining and Geosciences, 2023-03-31)
Kazakhstan is a country that economically relies on the export, especially on the export of the products of mining. Review of recent publications has proven the claim above. That is why mining sector has a significant ...
-
Sedaghatzadeh, Mostafa; Shahbazi, Khalil; Pourafshary, Peyman; Razavi, Seyed Ali
(KEAI PUBLISHING LTD, 2019-08)
The effects of different cation concentrations and types on rheological property and stability of Guar, Xanthan, and Partially Hydrolyzed Polyacrylamide (HPAM) cross-linked gels were analyzed through experiments. Also, a ...
-
Garapov, Arman
(School of Mining and Geosciences, 2023)
Low-salinity waterflooding (LSWF) in carbonate formations can alter wettability to more favorable conditions and increase oil recovery. LSWF performance depends on various parameters, such as temperature, oil composition, ...
-
Moradpour, Nikoo; Karimova, Marzhan; Pourafshary, Peyman; Zivar, Davood
(American Chemical Society, 2020-07-14)
The results of many previous studies on low salinity/controlled ions water (CIW) flooding suggest that future laboratory and modeling investigations are required to comprehensively understand and interpret the achieved ...
-
Yessengossov, Zhangir
(Nazarbayev University School of Mining and Geosciences, 2022-04-01)
Seismicity is a crucial factor that should be considered in underground mines, it occurs due to natural earthquakes or due to human induced activity, primary reasons might be excavation of an orebody, construction of haulage ...
-
Zhalgasbayeva, Assel
(Nazarbayev University School of Mining and Geosciences, 2022-04-30)
Tantalum (Ta) and Niobium (Nb) are critical metals required in many applications related to the energy transition. They are typically found in rare-metal pegmatites, where they occur in minerals of the tantalite – columbite ...
-
Maxutov, Kuandyk
(Nazarbayev University School of Mining and Geosciences, 2022-04-04)
Rockburst is a phenomenon commonly described as a sudden and violent event in underground mines that result in significant damages to underground excavations, equipment. It also threatens the safety of the mine workers and ...
-
Yapiyev, Vadim; Samarkhanov, Kanat; Tulegenova, Nazym; Jumassultanova, Saltanat; Verhoef, Anne; Saidaliyeva, Zarina; Umirov, Nursultan; Sagintayev, Zhanay; Namazbayeva, Assel
(Preprint, 2019-01)
Both climate change and anthropogenic activities contribute to the deterioration of terrestrial water resources and ecosystems worldwide. Central Asian endorheic basins are among the most affected regions through both ...
-
Mazhit, Birzhan
(Nazarbayev University School of Mining and Geosciences, 2022-03)
Moving toward greener and more eco-friendly oil and gas industry is one of the major challenges that face today practice. One of the methods to enhance oil production is to use chemicals as part of improved oil recovery ...
-
Abbas, Azza Hashim; Ajunwa, Obinna Markraphael; Mazhit, Birzhan; Martyushev, Dmitriy A.; Bou-Hamdan, Kamel Fahmi; Abd Alsaheb, Ramzi A.
(Energies, 2022-09-18)
Natural polymers have been investigated as part of the endeavors of green chemistry
practice in the oil field. However, natural polymer studies are still preliminary. The current study
examines okra’s (natural polymer) ...
-
Xu, Shuai; Liang, Ruiyu; Suorineni, Fidelis T.; Li, Yuanhui
(International Journal of Mining Science and Technology, 2021-01-04)
The flow of blasted ore during mining of moderately dipping medium-thick orebodies is a challenge. Selecting a suitable mining system for such ore bodies is difficult. This paper proposes a diamond layout sublevel open ...
-
Parsajoo, Maryam; Mohammed, Ahmed Salih; Yagiz, Saffet; Armaghani, Danial Jahed; Khandelwal, Manoj
(Journal of Rock Mechanics and Geotechnical Engineering, 2021-10-04)
Field penetration index (FPI) is one of the representative key parameters to examine the tunnel boring
machine (TBM) performance. Lack of accurate FPI prediction can be responsible for numerous disastrous
incidents ...
-
Shakeel, Mariam
(Nazarbayev University School of Mining and Geosciences, 2021-07)
Fast depletion in oil reserves has steered the petroleum industry towards developing novel enhanced oil recovery (EOR) techniques to get the most out of reservoirs. The standalone EOR methods such as engineered water ...
-
Sekerbayeva, Aigerim
(Nazarbayev University School of Mining and Geosciences, 2020-04-15)
The objective of the current study is to design a novel hybrid enhanced oil recovery (EOR) method by combining low salinity water (LSW) and low salinity surfactant (LSS) flooding techniques. Alteration in salinity and ions ...
-
Salimidelshad, Yaser; Moradzadeh, Ali; Kazemzadeh, Ezatallah; Pourafshary, Peyman; Majdi, Abbas
(KEAI PUBLISHING, 2019-06)
To examine the effect of pressure on pore structure and petrophysical properties of carbonate rock, the porosity, permeability, CT scanning, SEM and elastic wave velocity of two carbonate core plug samples from an oilfield ...
-
Alfazazi, Umar; AlAmeri, Waleed; Hashmet, Muhammad R.
(SPRINGER HEIDELBERG, 2018-10-12)
Application of polymer flooding in high temperature–high salinity (HTHS) carbonate reservoirs is challenging due to lack of polymers that can withstand such harsh reservoir conditions. The traditional polymers are usually ...
-
Sedaghatzadeh, Mostafa; Shahbazi, Khalil; Pourafshary, Peyman; Razavi, Seyed Ali
(KeAi Communications Co., 2021-04-14)
Loss of drilling fluid is a common problem during the drilling of wells and it restricts the appropriate functionality of muds. Drilling fluid loss significantly increases drilling costs and non-productive time as well as ...
-
Adoko, Amoussou Coffi; Saadaari, Festus; Mireku-Gyimah, Daniel; Imashev, Askar
(Geotechnical and Geological Engineering, 2021-07-06)
Assessing the stability of stopes is essen tial in open stope mine design as unstable hangingwalls
and footwalls lead to sloughing, unplanned stope
dilution, and safety concerns compromising the prof itability of the ...
-
Adoko, Amoussou Coffi; Saadaari, Festus; Mireku-Gyimah, Daniel; Imashev, Askar
(Geotechnical and Geological Engineering, 2022)
Assessing the stability of stopes is essen tial in open stope mine design as unstable hangingwalls
and footwalls lead to sloughing, unplanned stope
dilution, and safety concerns compromising the prof itability of the ...
-
Muneer, Rizwan; Hashmet, M. Rehan; Pourafshary, Peyman
(American Chemical Society, 2020-12-02)
Formation damage caused by fine migration and straining
is a well-documented phenomenon in sandstone reservoirs. Fine
migration and the associated permeability decline have been observed
in various experimental studies, ...