Fracturing technology is one of the most efficient means to explore the oil reserve with low permeability, oil immersion, oil patch and oil trace. Space distribution of this reservoir is very complex.

• 三次加密井开采的主要对象是表内薄差油层及表外储层,岩芯测试表明该类储层多为泥质粉砂岩,渗透率很低,含油产状为油浸、油斑、油迹,要有效动用此类储层的储量,压裂改造是最有效的措施手段。