zero formation damage 无地层损害
formation damage zone 地层损害带
formation damage degree 地层损害程度
in-depth formation damage 深部损害
formation damage index 地层损害指数
near wellbore formation damage 近井地层损害
In Xing Shu Gang oil field,high content of clay mineral in low permeability formation cause serious formation damage. Injection wells have problems of little hygroscope thickness and low hygroscope capacity.
本文针对杏树岗油田低渗透储层吸水厚度低、吸水能力较差的问题，通过对杏树岗油田低渗透储层敏感性评价和储层伤害机理的研究，详细分析了造成该油田注水井吸水厚度低的原因。
参考来源 - 杏树岗油田酸化解堵工艺技术研究. The quantitative and qualitative studies of the above factors for formation damage in Bonan oil field are carried out theoretically and experimently.
对渤南油田的地层损害进行了定性和定量研究 ,得到了各种因素对地层损害的影响规律。
参考来源 - 渤南油田入井流体对地层损害的影响因素During oil production, sand production in loose sandstone reservoir because of fluid washout often causes formation damage and production drop, sometimes as worse as casing damage and well abandonment.
石油开采过程中,由于水动力的冲刷等作用引起的疏松砂岩储层出砂,会导致储层损害和产能降低,甚至造成套管损坏、油井报废。
参考来源 - 疏松砂岩油层出砂问题的Monte·2,447,543篇论文数据，部分数据来源于NoteExpress
Underbalanced drilling technology can increase ROP and decrease formation damage, so it is increasingly used worldwide.
欠平衡钻井技术可以降低地层损害、提高机械钻速，所以在世界范围内被逐渐采用。
The advantages of gas drilling are: high drilling efficiency, effectively controlling formation damage, preventing from lost circulation and adhesive drill pipe sticking.
气体钻井的优点有：钻井效率高、有效保护油气层、防止井漏和黏附卡钻。
The mega perforator can be used in an open hole to reduce formation damage.
大射孔器可在裸眼井中使用，以减小地层损害。
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