HLB值评价稠油乳化增黏主要因素的研究
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摘要
以某油田稠油为研究对象,将已知HLB值的表面活性剂Span-80、Twen-80复配成溶液,将溶液加入稠油中,形成乳状液后,恒温后测定其黏度,将乳状液的黏度对HLB值做图。根据该曲线分析得出油样中的胶质是影响稠油黏度的主要因素,且随着胶质、沥青质含量的增多,稠油黏度增大。对油样进行红外光谱及HLB值测试,发现随着黏度的增大,羟基吸收峰的面积以及稠油的视HLB值逐渐增大。
Taking the heavy oil of a certain oilfield as the research object, the surface active agent Span-80 and Twen-80 with known HLB value were mixed into solution, and the solution was added into the heavy oil to form emulsion, and the viscosity was measured after constant temperature, and the viscosity of the emulsion was plotted against the HLB value. The results showed that the colloid in the oil sample was the main factor affecting the viscosity of heavy oil, and the viscosity of heavy oil increased with the increase of colloid and asphaltene content. The infrared spectra and HLB values of oil samples were tested. It's found that the area of hydroxyl absorption peak and the apparent HLB value of heavy oil increased with the increase of viscosity.
Taking the heavy oil of a certain oilfield as the research object, the surface active agent Span-80 and Twen-80 with known HLB value were mixed into solution, and the solution was added into the heavy oil to form emulsion, and the viscosity was measured after constant temperature, and the viscosity of the emulsion was plotted against the HLB value. The results showed that the colloid in the oil sample was the main factor affecting the viscosity of heavy oil, and the viscosity of heavy oil increased with the increase of colloid and asphaltene content. The infrared spectra and HLB values of oil samples were tested. It's found that the area of hydroxyl absorption peak and the apparent HLB value of heavy oil increased with the increase of viscosity.
引文
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[2]王守娟,秦梦华.浅析表面活性剂HLB值的计算及脱墨剂的选择[J].造纸科学与技术,2004,04:41-43.
[3]尉小明,辛达,杭国敏,等.荧光法测定稠油乳化HLB值研究[J].精细石油化工,2002,06:31-33.
[4]林吉生,唐培忠,郝清滟,李美蓉.稠油HLB值与含水率反相点的关联研究[J].石油炼制与化工,2015,08:61-65.
[5]尉小明,赵庆峰,沈光伟,等.稠油乳化HLB值测定新方法及其应用研究[J].钻采工艺,2003,26(2):90-91+6.
[6]谭非,张胜建,李文静,等.稠油HLB值的测定[J].油气田地面工程,2003,22(8):82-85.
[7]李美蓉,于光松,张丁涌,刘凯.稠油W/O型乳状液转相特性研究[J].油田化学,2017,02:335-339+366.
[8]Sjoblom J, Li Mingyuan et al,PartⅢ.A comparative destabilization ofmodel systems[J].Colloids and Surface, 1990,46:127-139.
[9]常运兴,张新军.稠油油溶性降粘剂降粘机理研究[J].油气田地面工程,2006,04:8-9.
[10]张凤英,李建波,诸林,杨光.稠油油溶性降粘剂研究进展[J].特种油气藏,2006,02:1-4+104.
[11]唐红翠,安家荣.稠油化学降黏技术实验研究[J].油气田地面工程,2010,03:26-27.
[12]夏洪权,李辉,刘翎,周杰.稠油拐点温度测算方法研究[J].特种油气藏,2006,06:49-51+107-108.
[13]安毅,赵法军,刘灏亮,张新宇.稠油管输乳化降粘剂选择方法综述[J].当代化工,2017, 06:1225-1227.