西安石油大学学报（自然科学版）2024，Vol.39Issue(1)：66-73,8.DOI:10.3969/j.issn.1673-064X.2024.01.008
高温高盐水中月桂酰胺丙基羟磺基甜菜碱在砂岩表面吸附规律研究
Adsorption Law of Lauramide Propyl Hydroxy Sulfobetaine on Sandstone Surface in High-temperature High-salinity Water
摘要
Abstract
Lauramide propyl hydroxy sulfobetaine surfactant has good foaming performance in high salt water,but the adsorption capaci-ty of it on the surface of sandstone is not clear.The ratio of methanol to water,the flowing velocity of mobile phase and the column tem-perature were optimized using Shim-pack VP-ODS 4.6 mm × 250 mm column and an ultraviolet detector,and the high performance liq-uid chromatography for determination of lauramide propyl hydroxy sulfobetaine content in high saltwater was established.The adsorption evaluation shows that in the water with the temperature of 110 ℃,NaCl of 25 × 104 mg/L and lauramide propyl hydroxy sulfobetaine of less than 1％,the adsorption capacity of lauramide propyl hydroxy sulfobetaine on the surface of 80～100 mesh quartz sand is less than 2 mg/g.In the water with the temperature of 110 ℃,NaCl of(20～25)× 104 mg/L and lauramide propyl hydroxy sulfobetaine of 0.4％,the adsorption capacity of lauramide propyl hydroxy sulfobetaine on the surface of 80～100 mesh quartz sand increases with the increase of NaCl mass concentration.In the water with the temperature of 110 ℃,NaCl of 22.5 × 104 mg/L,CaCl2 of(0～3)× 104 mg/L and lauramide propyl hydroxy sulfobetaine of 0.4％,the adsorption capacity of lauramide propyl hydroxy sulfobetaine on the surface of 80～100 mesh quartz sand decreases with the increase of CaCl2 mass concentration.The research results have a guiding significance for the selection and application of betaine surfactants under high-temperature and high-salinity conditions.关键词
月桂酰胺丙基羟磺基甜菜碱/吸附性/中高温/高盐Key words
lauramide propyl hydroxy sulfobetaine/adsorption/medium-high temperature/high salt water分类
能源科技引用本文复制引用
师小娟,葛际江,李珂欣,李建达,周代余..高温高盐水中月桂酰胺丙基羟磺基甜菜碱在砂岩表面吸附规律研究[J].西安石油大学学报（自然科学版）,2024,39(1):66-73,8.基金项目
中石油重大科技项目"深层碎屑岩油藏气窜调控技术研究"(ZD2019-183-007) （ZD2019-183-007）
