1) hole caving
井塌
1.
According to statistic data of five wells, the reason that brought about lost circulation,hole caving,drill pipe sticking, difficulty in running casing ,fresh water problem of formation in drilling operation in west Sichuan Majing structure were analyzed.
根据５口完钻井资料统计，分析了川西马井构造上钻井过程中井漏、卡钻、下套管作业困难、地层出淡水等复杂情况产生的原因，讨论了解决井漏及井塌问题的对策措施，并从井身结构设计、钻具组合、钻井液性能控制、固井设计、地层承压试验等８个方面提出建议。
2) Hole collapse
井塌
1.
For complex geological structure down hole, drilling problems such as lost circulation and hole collapse often occur in these wells.
吉林油田开发的新区块中,多数井井深为1500-2500m,井下情况复杂,井漏、井塌现象时有发生、地层油气水活跃,给固井施工造成了很多困难,也严重影响了固井质量。
3) hole sloughing
井塌
1.
The key for drilling fluid technology in Bayan Hot area of Inner Mongolia is to solve the prob- lems of well kick and circulation loss at the same loosened glutenite layer, HCO3- contamination in the Jurassic system formation and protenial hole sloughing in igneous rock formation.
巴彦浩特探区钻井液工艺技术的重点是,解决疏松砂砾岩地层水涌漏同层、侏罗系地层水的HCO3-污染及可能出现的火成岩地层井塌复杂。
4) collapse well
塌井
1.
collapse well,landsubsidence and surface cracks,have been analysed in the paper.
本文对三种岩溶塌陷形态─—塌井、地面下沉和地面裂缝的产生条件进行了分析。
5) borehole wall collapse
井壁塌方
6) combined col-lapse well
组合塌井
补充资料：光塌塌
1.光秃貌;空荡无存貌。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条