摘要
通过对延86井表层套管下入地层恰当位置以及第四系及第三系地层的地质及水文地质特征的叙述,指出了表层套管下入的恰当位置应该是穿过第四系或第三系地层后进入基岩3～5m,同时将表层套管头用GPAI级水泥封固方法。
According to the boring casing of geology characteristic and hydrological characteristic in Quaternary System and Tertiary System stratum in Yanchang 86 well, the author indicated that the surficial boring casing tripping in accurate location should drill through Quaternary System and Tertiary System stratum, which it oughted to ingress 3 - 5 meter in location of the original rock, and which it was obliged to seal up head with APIG cements.
出处
《江西煤炭科技》
2005年第3期19-20,共2页
Jiangxi Coal Science & Technology
关键词
地层特征
表层套管
基岩位置
水泥封固
stratum characteristic
surficical boring casing
location of the original rock
cement seal up
