Gelation behavior of polyacrylamide reinforced with nano-silica for water shutoff treatment in oil field

Fadil, N.A. and Irawan, S. and Isa, N.A.M. and Shafian, S.R. (2020) Gelation behavior of polyacrylamide reinforced with nano-silica for water shutoff treatment in oil field. Solid State Phenomena, 307 SS. pp. 252-257. ISSN 10120394

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Abstract

Polyacrylamide gel system is widely been used in oilfield for water shutoff treatment. Gelation behavior such as proper gelation time provides a basic guideline on gel placement depth in reservoir layers. In this study, the gelation behavior of partially hydrolyzed polyacrylamide crosslinked with chromium(III) acetate (PHPA/Cr3+) reinforced with nano-silica was studied in term of gelation time and gel stability. The gelation time of PHPA/Cr3+ gel could be controlled with the addition of nano-silica where the gel has shown a delay in gelation time at low concentration of nano-silica. At 0.3 wt. of nano-silica concentration, the gelation time has shown two times delay compared to the original gel system. The gel at the formulations of 0.7 wt. and 1.0 wt. nano-silica content remained stable with H code after 24 hours observation. © 2020 Trans Tech Publications Ltd, Switzerland.

Item Type: Article
Additional Information: cited By 7; Conference of 30th Regional Conference of Solid State Science and Technology, RCSSST 2018 ; Conference Date: 6 November 2019 Through 8 November 2019; Conference Code:243239
Uncontrolled Keywords: Chromium compounds; Oil fields; Reinforcement; Silica; Water treatment, Chromium(III); Gel placement; Gel stability; Gelation behavior; Low concentrations; Partially hydrolyzed polyacrylamide; Polyacrylamide gels; Water shutoff treatments, Gelation
Depositing User: Mr Ahmad Suhairi UTP
Date Deposited: 10 Nov 2023 03:28
Last Modified: 10 Nov 2023 03:28
URI: https://khub.utp.edu.my/scholars/id/eprint/13772

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