摘要
针对塔里木油田吐孜地区裂缝性储层的特点 ,采用复配的屏蔽暂堵技术对重点勘探井吐孜 3井的钻井液体系进行了实验研究。选取与该井地层构造相似的具有代表性的岩心进行了暂堵评价实验 ,并对暂堵方案进行了优选。室内实验及对现场井浆的分析结果表明 ,钻井液配方中加入复配的暂堵剂后 ,其性能无明显变化。但采用优选的复配暂堵技术后 ,裂缝性岩心的渗透率恢复值显著提高 ,说明这种暂堵技术能较好地保护裂缝性油气藏的储层。
On the basis of the characters of fractured formation in Tuzi area of Tarim oilfield,the mud systems used in TZ 3 well of the main explorated well were experimentally studied by adopting the temporary plugging techniques for drilling fluids. The evaluation experiments of various bridging agents were conducted using the representatively natural cores, and the plugging projects were optimized. The result shows that the addition of mixed bridging agents has little effect on the properties of drilling fluids,and the regained permeability is enhanced greatly by adopting the optimized temporary plugging techniques. Therefore,this techinque can be used to protect the fractured reservoirs effectively.
出处
《石油大学学报（自然科学版）》
CSCD
北大核心
2002年第1期32-34,38,共4页
Journal of the University of Petroleum,China(Edition of Natural Science)
基金
"九五"中国石油天然气集团公司重点科技工程项目 (960 0 2 60 2 -3 )
