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Investigation on Filtration Control of Zwitterionic Polymer AADN in High Temperature High Pressure Water-Based Drilling Fluids

With the exploration and development of high-temperature and high-salt deep oil and gas, more rigorous requirements are warranted for the performance of water-based drilling fluids (WBDFs). In this study, acrylamide, 2-acrylamide-2-methylpropanesulfonic acid, diallyl dimethyl ammonium chloride, and...

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Autores principales: Wang, Ren, Yang, Jie, Liu, Luman, Wang, Jianlong, Feng, Zhenbo, Zhang, Die, Gao, Shan, Wang, Jiao, Ren, Han, Hui, Baotong
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9777865/
https://www.ncbi.nlm.nih.gov/pubmed/36547350
http://dx.doi.org/10.3390/gels8120826
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author Wang, Ren
Yang, Jie
Liu, Luman
Wang, Jianlong
Feng, Zhenbo
Zhang, Die
Gao, Shan
Wang, Jiao
Ren, Han
Hui, Baotong
author_facet Wang, Ren
Yang, Jie
Liu, Luman
Wang, Jianlong
Feng, Zhenbo
Zhang, Die
Gao, Shan
Wang, Jiao
Ren, Han
Hui, Baotong
author_sort Wang, Ren
collection PubMed
description With the exploration and development of high-temperature and high-salt deep oil and gas, more rigorous requirements are warranted for the performance of water-based drilling fluids (WBDFs). In this study, acrylamide, 2-acrylamide-2-methylpropanesulfonic acid, diallyl dimethyl ammonium chloride, and N-vinylpyrrolidone were synthesized by free radical copolymerization in an aqueous solution to form a temperature and salt-resistant zwitterionic polymer gel filtration loss reducer (AADN). The zwitterionic polymer had excellent adsorption and hydration groups, which could effectively combine with bentonite through hydrogen bonds and electrostatic attraction, strengthening the hydration film thickness on the surface of bentonite, and promoting the stable dispersion of drilling fluid. In addition, the reverse polyelectrolyte effect of zwitterionic polymers strengthened the drilling fluid’s ability to resist high-temperature and high-salt. The AADN-based drilling fluid showed excellent rheological and filtration control properties (FL(API) < 8 mL, FL(HTHP) < 29.6 mL) even after aging at high-temperature (200 °C) and high-salt (20 wt% NaCl) conditions. This study provides a new strategy for simultaneously improving the high-temperature and high-salt tolerance of WBDFs, presenting the potential for application in drilling in high-temperature and high-salt deep formations.
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spelling pubmed-97778652022-12-23 Investigation on Filtration Control of Zwitterionic Polymer AADN in High Temperature High Pressure Water-Based Drilling Fluids Wang, Ren Yang, Jie Liu, Luman Wang, Jianlong Feng, Zhenbo Zhang, Die Gao, Shan Wang, Jiao Ren, Han Hui, Baotong Gels Article With the exploration and development of high-temperature and high-salt deep oil and gas, more rigorous requirements are warranted for the performance of water-based drilling fluids (WBDFs). In this study, acrylamide, 2-acrylamide-2-methylpropanesulfonic acid, diallyl dimethyl ammonium chloride, and N-vinylpyrrolidone were synthesized by free radical copolymerization in an aqueous solution to form a temperature and salt-resistant zwitterionic polymer gel filtration loss reducer (AADN). The zwitterionic polymer had excellent adsorption and hydration groups, which could effectively combine with bentonite through hydrogen bonds and electrostatic attraction, strengthening the hydration film thickness on the surface of bentonite, and promoting the stable dispersion of drilling fluid. In addition, the reverse polyelectrolyte effect of zwitterionic polymers strengthened the drilling fluid’s ability to resist high-temperature and high-salt. The AADN-based drilling fluid showed excellent rheological and filtration control properties (FL(API) < 8 mL, FL(HTHP) < 29.6 mL) even after aging at high-temperature (200 °C) and high-salt (20 wt% NaCl) conditions. This study provides a new strategy for simultaneously improving the high-temperature and high-salt tolerance of WBDFs, presenting the potential for application in drilling in high-temperature and high-salt deep formations. MDPI 2022-12-14 /pmc/articles/PMC9777865/ /pubmed/36547350 http://dx.doi.org/10.3390/gels8120826 Text en © 2022 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Wang, Ren
Yang, Jie
Liu, Luman
Wang, Jianlong
Feng, Zhenbo
Zhang, Die
Gao, Shan
Wang, Jiao
Ren, Han
Hui, Baotong
Investigation on Filtration Control of Zwitterionic Polymer AADN in High Temperature High Pressure Water-Based Drilling Fluids
title Investigation on Filtration Control of Zwitterionic Polymer AADN in High Temperature High Pressure Water-Based Drilling Fluids
title_full Investigation on Filtration Control of Zwitterionic Polymer AADN in High Temperature High Pressure Water-Based Drilling Fluids
title_fullStr Investigation on Filtration Control of Zwitterionic Polymer AADN in High Temperature High Pressure Water-Based Drilling Fluids
title_full_unstemmed Investigation on Filtration Control of Zwitterionic Polymer AADN in High Temperature High Pressure Water-Based Drilling Fluids
title_short Investigation on Filtration Control of Zwitterionic Polymer AADN in High Temperature High Pressure Water-Based Drilling Fluids
title_sort investigation on filtration control of zwitterionic polymer aadn in high temperature high pressure water-based drilling fluids
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9777865/
https://www.ncbi.nlm.nih.gov/pubmed/36547350
http://dx.doi.org/10.3390/gels8120826
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