耐温抗盐水膨体的合成及其在胜坨油田的应用  

Synthetic Temperature-Resistant Brine Swelling System and Its Application to Shengtuo Oilfield

作　　者：张桂意[1] 李国勇[1] 李建树[1] 

机构地区：[1]中国石化胜利油田有限责任公司胜利采油厂工艺研究所,山东东营257051

出　　处：《新疆石油地质》2004年第4期440-442,共3页Xinjiang Petroleum Geology

摘　　要：针对胜坨油田温度高、矿化度高等复杂地质条件,从聚合物分子的设计出发,选择合适的聚合物、交联剂、交联促进剂、无机支撑剂等化学剂,合成了一种融有机体系和无机体系为一体的新型耐温抗盐预交联水膨体,用正交实验法优化了预交联水膨体配方。结果表明,合成的预交联水膨体耐温(120℃)、耐盐(1.8×104mg/L),而且具有较高的强度、强吸附性、良好的热稳定性和化学稳定性。现场试验表明,调剖后增油效果明显。Shengtuo oilfield is characterized by complex geology with high temperature and high salinity. This paper works out polymer molecule, selects proper polymer, cross-linking agent, cross-linking accelarant and inorganic proppant, synthesizes a new temperature-resistant brine-tolerant pre-cross linking swelling system, finally, optimizes the formulation of pre-cross linking swelling system by using ortbogonalizing process. Results show that the synthetic swelling system has the characteristics of temperature resistance (120℃), brine tolerance (1.8×104mg/ L), high intensity, intensive adsorption, good thermal and chemical stabilities. Field pilot test indicates that the stimulation response using this swelling system for profile control is positive.

关 键 词：胜坨油田 化学堵水 化学剂注入 热稳定性 抗盐特性 

分 类 号：TE358.3[石油与天然气工程—油气田开发工程]