1) balling
泥包
1.
During using PDC bit, there was bit balling phenomenon.
为满足快速钻进的需要,钻井工程现场越来越多地使用PDC钻头,提高钻井速度,减少起下钻次数,避免掉牙轮等复杂事故,但在应用中经常有PDC钻头泥包的现象。
2) Bit balling Up
钻头泥包
3) stone coated by mud
泥包石
4) bit bailing
钻头泥包
5) cement packer
水泥包装机
1.
With the help of relative industrial engineering theories,this article calculates the total expenses needed in a cement packer's modernized refit and its thorough elimination of old equipments;and a comparison is also made between them.
本文运用工业工程的有关理论，对水泥包装机进行现代化改装和彻底淘汰旧设备，所需的总费用进行计算并加以比较。
6) cement package
水泥包装袋
1.
Meanwhile,in the experiment of the dampproof capability of the cement package,the sample pressing strength rate for 3 days is R_c′=94.
38%≥95%;同时,在水泥包装袋防潮性能的试验中,试体3天抗压强度比Rc′=94。
参考词条
补充资料：钻头泥包
分子式：
CAS号：
性质：钻头的齿或牙轮、刀片等切削部分被泥质包裹而降低或失去切削岩层的能力的现象。
CAS号：
性质：钻头的齿或牙轮、刀片等切削部分被泥质包裹而降低或失去切削岩层的能力的现象。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。