3) tubing string optimization
优化管柱
5) casing string
套管柱
1.
Shallow horizontal well technology of trajectory control and casing string running for heavy oil field.;
浅层稠油水平井轨迹控制及套管柱下入技术
2.
Seismic reliability analysis of casing string in oil & gas well;
油气井套管柱的抗震可靠性分析
3.
Security of casing string in gas injection well altered from water injection well;
注水井改为注气井的套管柱安全性研究
6) petroleum casing pipe and drilling string
套管钻柱
补充资料:天柱山天柱峰
天柱峰又称为皖伯尖,万山尖。《道书》称为司命真人发祥所都,海拔1488.4米,孤立晴宵,顶天立地,石骨嶙峋,峭立如柱。五指、莲花、天池、含珠、飞来、月华诸峰拱卫左右,奇松、怪石、云海、佛光、各领风骚。李白《江上望皖公山》诗云:“奇峰出奇云,秀水含秀气。”白居易《题天柱峰》诗云:“天柱一峰擎日月,洞门千仞锁云雷。”
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