对于低渗透、埋藏深、致密油气藏，常规压裂技术不能有效地实现储层的增产改造。以新疆玛北油田为例，新疆玛北油田石油储量非常大，但是由于储层埋藏深、致密、低渗透的特点，常规压裂技术效果差、产量低。为了实现对储层的深穿透、长裂缝、高导流，提出了深穿透大中型压裂改造技术。通过对压裂工艺的优选，按照"一高三低"的原则优选压裂液，按照"三结合"的原则优选支撑剂。通过优化压裂施工参数，经现场压裂施工应用，压后产油量比压前有了大幅度的增加。

The petroleum reserves in Xinjiang Mabei Oilfield are very huge and have the characteristics of low permeability,deep bury and dense,in which the conventional fracturing technology cannot achieve effectively renovation to enhance production.In order to realize deep penetration,long fracture and high conductivity upon such reserves,a large and medium scale deep penetration fracturing technology is put forward.The fracturing process is optimized,the fracturing fluid is selected according to the principle of "one high and three low" and the proppant is selected according to the principle of "three combinations".Through optimizing the parameters of fracturing operation and applying fracturing on spot,the production of oil after fracturing has greatly increased than that before fracturing.