Applied in Acid Fracture
	Applied in Downhole Operation
	Applied in Drilling
	Applied in profile control technology
	Applied in viscous crude oil production
	Other applications
	Technical Service

Ø        Nitrogen foam fluid is specially good for applying in low pressure, low permeability oil layer; Ø        Low liquid head, great flowback capacity, and small filtration; Ø        Damage the oil layer very little, especially in under negative pressure condition; Ø        Long effective distance of live acid; Ø        Low comprehensive cost and high economic effect.