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气井压裂液体系优选研究

Research on optimization of fracturing fluid for gas wells
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摘要 延长气田储层主要以低渗储层为主,气井自然产能较低,压裂是改善储层提高气田采收率,改善开发效果的主要方式。然而,压裂液性能的好坏,直接决定了压裂的效果。压裂液作为储层压裂过程中的工作液,起着携带支撑剂、传递压力的作用,可形成具有较高导流能力的裂缝。但压裂液作为一种外来流体同时对储层造成伤害,严重时甚至造成油井减产甚至无产,从而影响储层改造的效果。因此,很有必要对压裂液进行优选研究,以指导低渗气田的开发。 The reservoirs in Yanchang gas field are mainly low-permeability reservoirs,and the natural productivity of gas wells is low.Fracturing is the main way to improve reservoirs,increase gas field recovery, and improve development effects.However,the performance of fracturing fluid directly determines the effect of fracturing.As the working fluid in the process of reservoir fracturing,fracturing fluid plays the role of carrying proppant and transmitting pressure,and can form fractures with high conductivity.However,fracturing fluid,as an external fluid,can cause damage to the reservoir at the same time,and even cause the oil well to reduce or even have no production in severe cases,thus affecting the effect of reservoir stimulation.Therefore,it is necessary to carry out optimal research on fracturing fluids to guide the development of low-permeability gas fields.
作者 万晓飞 官斌 WAN Xiao fei;GUAN Bin(Shaanxi Yanchang Petroleum(Group)Oil and Gas Exploration Company Quality Supervision Center,Yanan,Shaanxi,716000;Shaanxi Yanchang Petroleum(Group)Oil and Gas Exploration Company,Yanchang Gas Field Gas Production Plant No.3,Yanan,Shaanxi,716000,Chian)
出处 《内蒙古石油化工》 CAS 2022年第9期113-116,共4页 Inner Mongolia Petrochemical Industry
关键词 气井 低渗储层 压裂液 优选 gas well low permeability reservoir fracturing fluid optimization
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