田一井欠饱和盐水钻井液技术  

UNDERSATURATED SALT WATER DRILLING FLUID TECHNOLOGIES USED IN WELL TIAN-1

作　　者：魏殿忠[1] 孟怀启[1] 景国安[1] 张国新[1] 邱建君[1] 

机构地区：[1]河南油田工程院钻井所

出　　处：《钻采工艺》2001年第6期74-75,共2页Drilling & Production Technology

摘　　要：田一井位于周口坳陷午阳凹陷田庄鼻状构造上 ,地层含有较厚的盐层、盐膏层以及极易水化膨胀分散的泥页岩。优选出一套欠饱和盐水聚合物钻井液体系 ,该体系性能稳定 ,抑制性强 ,抗污染效果好 ,防卡、防塌 ,满足施工需要 ,为在该地区安全、经济、快速钻井提供了可靠保证。Well Tian-1 is located Zhoukou structural depression.The formation has thicker salt bed,evaporite bed and mudstone which is easy to hydrate and swell.Some complicated problems have been encountered during drilling in this region.An undersaturated salt water polymer drilling fluid system is developed.The system has stable performance,good inhibitive,sticking prevention and hole sloughing prevention,and can meet the requirement of drilling operation.

关 键 词：田一井 欠饱和盐水钻井液 河南油田 抑制性 防塌 

分 类 号：TE254.4[石油与天然气工程—油气井工程]