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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| Format: | Article |
| Language: | English |
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MDPI AG
2022-12-01
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| Series: | Gels |
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| Online Access: | https://www.mdpi.com/2310-2861/8/12/826 |
| _version_ | 1827638919887323136 |
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| author | Ren Wang Jie Yang Luman Liu Jianlong Wang Zhenbo Feng Die Zhang Shan Gao Jiao Wang Han Ren Baotong Hui |
| author_facet | Ren Wang Jie Yang Luman Liu Jianlong Wang Zhenbo Feng Die Zhang Shan Gao Jiao Wang Han Ren Baotong Hui |
| author_sort | Ren Wang |
| collection | DOAJ |
| 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<sub>API</sub> < 8 mL, FL<sub>HTHP</sub> < 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. |
| first_indexed | 2024-03-09T16:31:32Z |
| format | Article |
| id | doaj.art-8c7c273b9c384699ab92176019e1aba2 |
| institution | Directory Open Access Journal |
| issn | 2310-2861 |
| language | English |
| last_indexed | 2024-03-09T16:31:32Z |
| publishDate | 2022-12-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Gels |
| spelling | doaj.art-8c7c273b9c384699ab92176019e1aba22023-11-24T15:01:45ZengMDPI AGGels2310-28612022-12-0181282610.3390/gels8120826Investigation on Filtration Control of Zwitterionic Polymer AADN in High Temperature High Pressure Water-Based Drilling FluidsRen Wang0Jie Yang1Luman Liu2Jianlong Wang3Zhenbo Feng4Die Zhang5Shan Gao6Jiao Wang7Han Ren8Baotong Hui9CNPC Engineering Technology R&D Company Ltd., Beijing 102206, ChinaCNPC Engineering Technology R&D Company Ltd., Beijing 102206, ChinaCNPC Engineering Technology R&D Company Ltd., Beijing 102206, ChinaCNPC Engineering Technology R&D Company Ltd., Beijing 102206, ChinaDaqing Drilling & Exploration Engineering Corporation No. 2 Drilling Co., Daqing 163413, ChinaCNPC Engineering Technology R&D Company Ltd., Beijing 102206, ChinaCNPC Engineering Technology R&D Company Ltd., Beijing 102206, ChinaGas Storage Company of Liaohe Oilfield Company, Panjin 124000, ChinaCNPC Engineering Technology R&D Company Ltd., Beijing 102206, ChinaCNPC Engineering Technology R&D Company Ltd., Beijing 102206, ChinaWith 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<sub>API</sub> < 8 mL, FL<sub>HTHP</sub> < 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.https://www.mdpi.com/2310-2861/8/12/826water-based drilling fluidsfiltration loss reducerzwitterionic polymertemperature resistancesalt resistance |
| spellingShingle | Ren Wang Jie Yang Luman Liu Jianlong Wang Zhenbo Feng Die Zhang Shan Gao Jiao Wang Han Ren Baotong Hui Investigation on Filtration Control of Zwitterionic Polymer AADN in High Temperature High Pressure Water-Based Drilling Fluids Gels water-based drilling fluids filtration loss reducer zwitterionic polymer temperature resistance salt resistance |
| 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 | water-based drilling fluids filtration loss reducer zwitterionic polymer temperature resistance salt resistance |
| url | https://www.mdpi.com/2310-2861/8/12/826 |
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