保压取心技术在塔中4构造深井应用  

Application of Core Drilling with Keeping Formation Pressure in Tazhong Well No. 4

作　　者：梁宝昌 刘国祥 

机构地区：[1]大庆钻井研究所工艺室

出　　处：《石油钻探技术》1995年第3期9-11,60,共4页Petroleum Drilling Techniques

摘　　要：介绍了在塔中４构造ＴＺ４—７—３０井和ＴＺ４—１７—７井进行保压取心取得成功所采取的技术措施及体会。The paper presents the successful coring techniques with keeping formation pressure in Ti4-7-30 and TZ4-17-7 Wells in Tazhongsi,and information and the experiences for reference.

关 键 词：压力取心 密闭取心 岩心收获率 金刚石取心钻头 密闭取心工具 深井 

分 类 号：TE244[石油与天然气工程—油气井工程]