稠油注蒸汽热采储层保护及改善措施的研究  

Study on formation protection and modification measures for steam injection heavy oil reservoirs

作　　者：张鸿[1] 周迎春[1] 张勇[2] 张艳娟[2] 

机构地区：[1]辽宁工业大学化学与环境工程学院,辽宁锦州121001 [2]中国石油辽河油田公司勘探开发研究院,辽宁盘锦124010

出　　处：《化学工程师》2013年第3期39-42,共4页Chemical Engineer

摘　　要：稠油注蒸汽热采会对储层产生伤害作用,影响原油采收率。本文从降低蒸汽pH值和防止蒙脱石膨胀的角度利用室内物理模拟手段研究稠油热采储层保护措施,并通过配方筛选,优化出合理的化学剂配方,不仅能够有效保护储层,还能降低油水界面张力,改善稠油热采开发效果。Steam injection heavy oil development greatly damages the reservoir properties and mitigates the oil recovery factor. In the paper, based on laboratory physical simulation, the formation protection and modification measures was studied for heavy oil thermal injection reservoirs in the aspects of reducing steam pH value and preventing montmorillonite expansion. Besides, the reasonable chemical formula is optimized by the screening of formulas, which protect the reservoirs effectively, also reduce the oil-water interfacial tension and improve the de- velopment effect of heavy oil thermal recovery.

关 键 词：稠油 储层保护 蒸汽相pH值 高温防膨剂 界面张力 

分 类 号：TE32[石油与天然气工程—油气田开发工程]