1·During coring, sealing fluid could successful protect cores.
在取心过程中，密闭液能成功保护岩心。
2·This paper mainly introduced the casing program of the coalbed gas well, drilling parameter, coring tool and technologies and so on.
文中主要介绍了煤层气井的井身结构、钻井参数、取心工具和工艺等。
3·The wire-line directional drilling and coring technology can take cores and drill directionally without using down-hole motors.
绳索取心技术因其钻进效率高而广泛应用，但其无法实施定向作业。
4·Sidewall coring techniques are used in field development to determine the watered out degree.
将井壁取心技术应用于油田开发中，评价油层的水淹程度。
5·This paper introduces geochemical analysis into development field, USES geochemical pyrolysis analysis of sidewall coring in evaluation and remaining oil potential tapping in watered out zones.
将地球化学分析技术引入开发领域，应用井壁取心的地化热解分析方法在水淹层评价、剩余油挖潜方面做了一些尝试性工作。