【Key words】 horizontal wellhydraulic frac； frac crack； temperature oilfield； horizontal wellbore pressure drop； fracture disturbance； production forcast； software；
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A novel solid residue-free fracture fluid system suitable to middle well temperature was developed for the geological feature of low porosity and low permeability in Jilin Oilfield.
针对吉林油田低孔、低渗的特点，开发了适合中等井温的新型无固相压裂液体系。
This paper mainly addresses the features of well temperature log in production logging of Tahe oilfield and how to determine the location of productive reservoir by well temperature log and t.
井温测井在产出和注入剖面测井过程中有非常广泛的应用，可为生产井的动态分析和井内技术诊断提供重要依据。
Uses: Oilfield well control operations, metal smelting and chemical industryes such as a heat source or heat radiation of high-temperature environments.
用途：油田井控制作业，金属冶炼及化工行业等有热源或热辐射的高温环境。
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