Nitrogen injection being used to enhance oil recovery in many oilfields, particularly in overthrustfault.
许多油田，特别是在逆掩断层油藏中，正在大量注氮提高原油采收率。
2
The left-lateral strike-slip movement of the Zhongwei fault zone since late Pleistocene caused the differentiation of preexisting overthrust faults in the zone.
青藏高原东北缘的中卫断裂带在晚更新世以来的左旋走滑运动中，先存的挤压逆掩、逆冲断裂带发生了分化。
3
The overthrustfault zone and foreland basin in Southwestern Tarim is favorable areas for petroleum exploration. But the research and exploration degree here are still low.