Development and Assessment of a Water-Based Drilling Fluid Tackifier with Salt and High-Temperature Resistance
A high-temperature-resistant copolymer thickener (DT) was synthesized through free radical polymerization, utilizing monomers such as N-vinylformamide (NVF), divinylbenzene (DVB), and acrylamide (AM) as the primary raw materials. The polymer system’s structure was characterized using FTIR and 1H NMR...
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MDPI AG
2025-01-01
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| author | Yue Gao Xiaobo Wang Yun Cheng Xuan Qi Hao Yan |
| author_facet | Yue Gao Xiaobo Wang Yun Cheng Xuan Qi Hao Yan |
| author_sort | Yue Gao |
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| description | A high-temperature-resistant copolymer thickener (DT) was synthesized through free radical polymerization, utilizing monomers such as N-vinylformamide (NVF), divinylbenzene (DVB), and acrylamide (AM) as the primary raw materials. The polymer system’s structure was characterized using FTIR and 1H NMR, while its thermal properties were analyzed through thermogravimetric analysis. The viscosity changes of the polymers were evaluated before and after high-temperature aging at various temperatures. The results indicated that the viscosity retention rate of the thickener DT in the base slurry at 240 °C and 15% NaCl was 87.1%. Additionally, it exhibited varying anti-aging cycles between 200 °C and 240 °C. In a slurry with 25% NaCl, the viscosity retention rate reached 130% at 200 °C. High-temperature and high-pressure rheological tests demonstrated that drilling fluids containing DT exhibit consistent rheological behavior within the temperature range of 150 °C to 180 °C, which aids in stabilizing the viscosity and strength of drilling fluids at elevated temperatures. |
| format | Article |
| id | doaj-art-c703ae42c91c4f9290193174f8f96c94 |
| institution | Kabale University |
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| language | English |
| publishDate | 2025-01-01 |
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| series | Crystals |
| spelling | doaj-art-c703ae42c91c4f9290193174f8f96c942025-01-24T13:28:14ZengMDPI AGCrystals2073-43522025-01-011518210.3390/cryst15010082Development and Assessment of a Water-Based Drilling Fluid Tackifier with Salt and High-Temperature ResistanceYue Gao0Xiaobo Wang1Yun Cheng2Xuan Qi3Hao Yan4College of Chemical and Materials Engineering, Hainan Vocational University of Science and Technology, Haikou 571126, ChinaSchool of Environmental & Safty Engineering, Liaoning Petrochemical University, Fushun 113001, ChinaSchool of Environmental & Safty Engineering, Liaoning Petrochemical University, Fushun 113001, ChinaCollege of Chemical and Materials Engineering, Hainan Vocational University of Science and Technology, Haikou 571126, ChinaCollege of Chemical and Materials Engineering, Hainan Vocational University of Science and Technology, Haikou 571126, ChinaA high-temperature-resistant copolymer thickener (DT) was synthesized through free radical polymerization, utilizing monomers such as N-vinylformamide (NVF), divinylbenzene (DVB), and acrylamide (AM) as the primary raw materials. The polymer system’s structure was characterized using FTIR and 1H NMR, while its thermal properties were analyzed through thermogravimetric analysis. The viscosity changes of the polymers were evaluated before and after high-temperature aging at various temperatures. The results indicated that the viscosity retention rate of the thickener DT in the base slurry at 240 °C and 15% NaCl was 87.1%. Additionally, it exhibited varying anti-aging cycles between 200 °C and 240 °C. In a slurry with 25% NaCl, the viscosity retention rate reached 130% at 200 °C. High-temperature and high-pressure rheological tests demonstrated that drilling fluids containing DT exhibit consistent rheological behavior within the temperature range of 150 °C to 180 °C, which aids in stabilizing the viscosity and strength of drilling fluids at elevated temperatures.https://www.mdpi.com/2073-4352/15/1/82diethylbenzenehigh-temperature resistancethickeneranti-agingconstant rheological behavior |
| spellingShingle | Yue Gao Xiaobo Wang Yun Cheng Xuan Qi Hao Yan Development and Assessment of a Water-Based Drilling Fluid Tackifier with Salt and High-Temperature Resistance Crystals diethylbenzene high-temperature resistance thickener anti-aging constant rheological behavior |
| title | Development and Assessment of a Water-Based Drilling Fluid Tackifier with Salt and High-Temperature Resistance |
| title_full | Development and Assessment of a Water-Based Drilling Fluid Tackifier with Salt and High-Temperature Resistance |
| title_fullStr | Development and Assessment of a Water-Based Drilling Fluid Tackifier with Salt and High-Temperature Resistance |
| title_full_unstemmed | Development and Assessment of a Water-Based Drilling Fluid Tackifier with Salt and High-Temperature Resistance |
| title_short | Development and Assessment of a Water-Based Drilling Fluid Tackifier with Salt and High-Temperature Resistance |
| title_sort | development and assessment of a water based drilling fluid tackifier with salt and high temperature resistance |
| topic | diethylbenzene high-temperature resistance thickener anti-aging constant rheological behavior |
| url | https://www.mdpi.com/2073-4352/15/1/82 |
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