Popularity of acid emulsion treatment is duo to the fact that can be used in high temperature Wells and slow reaction rate which results in a deeper fracture penetration.
乳化酸处理法的流行是由于它可用于高温深井且能够降低反应速度，这会形成更深的裂缝。
So a low damage & massive hydraulic fracturing technique is put forward in this paper with the key object being low damage, longer penetration, and high fracture conductivity.
为此，研究了一种新的低伤害大型压裂技术，力求实现低伤害、深穿透、高导流的目标。
The author believes that the bearing core is a precondition for leap-frog penetration and for maintaining the constant angle of fracture resulted from the release of the energy absorbed by the core.
认为承压核是造成跃进式侵入和破碎角稳定的条件，跃进式侵入和破碎角稳定是承压核储能释放的结果。
The causes of fracture of the chipper knives made in China are analysed. A new process on gaseous Carbon-Nitrogen-Boron penetration is tested and better results have been achieved.
分析了国产削片刀失效的原因，试验了气相碳-氮-硼共渗新工艺，为提高国产刀片质量提供了必要的科学依据。
The causes of fracture of the chipper knives made in China are analysed. A new process on gaseous Carbon-Nitrogen-Boron penetration is tested and better results have been achieved.
分析了国产削片刀失效的原因，试验了气相碳-氮-硼共渗新工艺，为提高国产刀片质量提供了必要的科学依据。
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