针对该地区存在的井下复杂情况，研究并提出了一系列的技术对策。
A series of countermeasure of drilling fluids technology was rendered by research according to the complicated conditions at local district.
现场应用表明，该技术能有效地防止煤层坍塌，减少井下复杂情况及事故。
Field applications show that this technique can effectively prevent coal beds sloughing and decrease hole problems and drilling accidents.
我有一个重要的关于如何处理井下复杂情况的问题，您介意我去您那里请教吗？
I have a rather important problem about how to deal with complicated hole condition. Would you mind if I called on you to discuss it.
钻遇地层复杂，井壁稳定性差，井漏、井涌、井塌、缩径、卡钻等井下复杂情况频发；
Drilled formations are complex with unstable wall. Lost circulation, well kick, borehole collapse, diameter shrinkage, sticking and other complex situations often occur.
同时能够降低四川及其周边地质条件复杂地区的易发生卡钻、漏失、垮塌等井下复杂情况的风险，为加快该地区勘探开发速度打下坚实的基础。
At the same time, hope this paper can provide the basis of scene actual operation for accelerating the development of natural gas in Sichuan and its surrounding areas.
井下出现复杂情况，不要离开钻台。
There is some trouble in the borehole, don't leave the rig floor.
井下出现复杂情况，不要离开钻台。
There is some trouble in the borehole, don't leave the rig floor.
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