苏里格气田常用泡排剂性能的影响因素及评价研究.docx
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- 里格 气田 常用 泡排剂 性能 影响 因素 评价 研究
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1、苏里格气田常用泡排剂性能的影响因素及评价研究摘 要针对苏里格油气田由于深度开发,井内积液严重,致使采气成本增加,采收率不高的实际情况,本文采用气流法考察了普通泡排剂、纳米泡排剂、固体泡排剂,SDS、AOS和AEO-5六种不同泡排剂的起泡性能,对它们的稳定性、携液能力及表面张力进行了测试,得到结果:纳米泡排剂AOS普通泡排剂SDSAEO-5固体泡排剂。此外本文还测试了地层矿化度和凝析油对泡排剂泡沫性能的影响,抗盐性能优劣顺序为:纳米泡排剂AOS固体泡排剂SDSAEO-5普通泡排剂;抗油性能优劣顺序为:AOS纳米泡排剂SDS固体泡排剂普通泡排剂AEO-5,同时根据现场工艺研究发现两种不同的加油方式
2、对泡沫性能没有明显影响。最终确定筛选出最适宜苏里格气田使用的泡排剂为纳米泡排剂,并探究了矿化度和凝析油对不同泡排剂的影响,为气田的实际应用提供了一定的理论指导。关键词:泡沫;稳定性;表面张力;矿化度;凝析油 Influencing Factors and Evaluation of Performance of Common Foaming Agents in Sulige Gas FieldAbstractIn view of the deep development of the Sulige oil and gas field, serious cumulated fluid in th
3、e well, resulting in increased gas production costs and low recovery efficiency. In this paper, the foaming properties of general foaming agent, nano foaming agent, solid foaming agent, SDS, AOS, and AEO-5 were studied by gas flow method, including their stability, liquid carrying capacity, and surf
4、ace tension, the results were obtained: nano foaming agentAOSgeneral foaming agentSDSAEO-5solid foaming agent. In addition, the effects of salinity and condensate oil on the foam performance were also tested. The order of the salt resistance performance was as follows: nano foaming agentAOSsolid foa
5、ming agentSDSAEO-5general foaming agent, the order of the oil resistance performance was as follows: AOSnano foaming agentSDSsolid foaming agentgeneral foaming agentAEO-5. At the same time, according to the study, it was found that two methods of adding condensate oil had no significant effect on th
6、e foam performance. It was determined that the most suitable foam agent for the Sulige gas field was the nano foaming agent, and the influence of salinity and condensate oil on different foaming agents was explored, which provided a theoretical guidance for the practical application of the gas field
7、. .Keywords:Foam;stability;surface tension;salinity;condensate oil目 录第1章 绪论11.1 研究背景11.2 泡沫及其性质简介21.2.1 泡沫的形成21.2.2 泡沫的衰变31.2.3 泡排剂的稳定性41.2.3 泡排剂的起泡性能51.3泡沫性能的影响因素51.3.1 温度51.3.2 压力51.3.3 无机盐61.3.4 凝析油61.4本章小结7第2章 研究方法82.1实验仪器和药品82.1.1 用到的实验仪器82.1.2 用到的化学试剂82.2 泡沫性能测试82.2.1 稳定性测试82.2.2 携液能力测试92.2.3
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