Zobrazeno 1 - 10
of 51
pro vyhledávání: '"Sarkyt Kudaibergenov"'
Autor:
Gulnur Yelemessova, Iskander Gussenov, Aigerim Ayazbayeva, Alexey Shakhvorostov, Lyazzat Orazzhanova, Alexey Klivenko, Sarkyt Kudaibergenov
Publikováno v:
Gels, Vol 10, Iss 9, p 562 (2024)
Excessive reservoir water poses significant challenges in the oil and gas industry by diminishing hydrocarbon recovery efficiency and generating environmental and economic complications. Conventional polymer flooding techniques, although beneficial,
Externí odkaz:
https://doaj.org/article/d95015b7f977477ab821e78b4bf36ca2
Autor:
Iskander Gussenov, Alexey Shakhvorostov, Aigerim Ayazbayeva, Nargiz Gizatullina, Alexey Klivenko, Sarkyt Kudaibergenov
Publikováno v:
Polymers, Vol 15, Iss 20, p 4095 (2023)
Preformed particle gels (PPGs) based on acrylamide (AAm), (3-acrylamidopropyl) trimethylammonium chloride (APTAC), and 2-acrylamido-2-methyl-1-propanesulfonic acid sodium salt (AMPS) were synthesized via conventional free radical copolymerization. Th
Externí odkaz:
https://doaj.org/article/d67b9eef401540d3a122297f3bc97659
Publikováno v:
Energy Reports, Vol 5, Iss , Pp 733-746 (2019)
Having a high water cut reduces the economic viability of oil production. Water production increases, as less-viscous water tends to flow through high-permeability zones, leaving behind large volumes of unswept oil. Since the 1920s, different materia
Externí odkaz:
https://doaj.org/article/143cd8a63a5045469f9c90d79f64bd64
Publikováno v:
Energy Reports, Vol 6, Iss , Pp 123- (2020)
Externí odkaz:
https://doaj.org/article/c7fc2d943c7542d096ca59c8481ae162
Publikováno v:
SPE Journal. 27:999-1016
Summary During a polymer flood, the field operator must be convinced that the large chemical investment is not compromised during polymer injection. Furthermore, injectivity associated with the viscous polymer solutions must not be reduced to where f
Publikováno v:
Chemical Bulletin of Kazakh National University, Vol 103, Iss 4 (2021)
High molecular weight amphoteric terpolymer based on a nonionic monomer, acrylamide (AAm), an anionic monomer, 2-acrylamido-2-methyl-1-propanesulfonic acid sodium salt (AMPS), and a cationic monomer, (3-acrylamidopropyl) trimethylammonium chloride (A
Autor:
Gulnur Tatykhanova, Vladimir Aseyev, Maria Vamvakaki, Vitaliy Khutoryanskiy, Sarkyt Kudaibergenov
Publikováno v:
Chemical Bulletin of Kazakh National University
Complex formation between a natural polysaccharide – gellan and an antimicrobial drug – ofloxacin was studied in aqueous solution. Conductimetric and potentiometric titration curves revealed that gellan and ofloxacin forms a water-soluble complex
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8161a29c2ae1d68b4c57ad495a40d190
https://centaur.reading.ac.uk/106132/1/Gellan-ofloxacin-ChemBulletinKNU-2022.pdf
https://centaur.reading.ac.uk/106132/1/Gellan-ofloxacin-ChemBulletinKNU-2022.pdf
Publikováno v:
Chemical Bulletin of Kazakh National University, Iss 4, Pp 32-41 (2020)
A review is devoted to recent achievements in development of anticancer drugs based on natural polysaccharide – gellan that possesses coil-helix conformational transition, sol-gel phase transition, thermo- and salt sensitivity. The characteristics
Publikováno v:
Chemical Bulletin of Kazakh National University, Iss 1 (2016)
В работе обоснована технология бурения нефтяных скважин в сложных горно-геологических условиях с использованием буровых растворов на