液态CO_(2)注入剖面测井工艺探索  

Improved Process of Liquid CO_(2) Injection Profile Logging

作　　者：刘辉[1] 霍洪亮[1] 杨金山[1] 路远涛[1] 孙权兴 赵凯祥 于化龙[1] 赵薇娜[1] LIU Hui;HUO Hongliang;YANG Jinshan;LU Yuantao;SUN Quanxing;ZHAO Kaixiang;YU Hualong;ZHAO Weina(Logging and Testing Services Company,Daqing Oilfield Co.Ltd.,Daqing,Heilongjiang 163153,China)

机构地区：[1]大庆油田有限责任公司测试技术服务分公司,黑龙江大庆163153

出　　处：《石油管材与仪器》2021年第5期97-100,共4页Petroleum Tubular Goods & Instruments

摘　　要：液态CO_(2)的特殊性导致其注入剖面测井施工困难。针对液态CO_(2)注入剖面测井工艺复杂、施工难度大和危险系数高等难点,提出了技术对策。通过创新高压密闭工艺、隔离液预置工艺、通井工艺和辅助工艺,解决了相关施工工艺问题。改进的液态CO_(2)注入剖面测井工艺流程合理、可靠,施工安全、高效和便捷,应用效果好。The special physical properties of liquid CO_(2) fluid make it difficult to perform injection profile logging.Aiming at the difficulties of liquid CO_(2) injection profile logging,such as complex processes,difficult operations and high risk factors,corresponding technical countermeasures are proposed.The problems of logging operation are solved through innovative high-pressure well control,isolation fluid preset,well-drifting and auxiliary technology.The test results show that the improved liquid CO_(2) injection profile logging process is reasonable and reliable,logging operation is safe,efficient and convenient,and the application effect is good.

关 键 词：液态CO_(2) 注入剖面 测井工艺 井控 隔离液 通井 

分 类 号：P631.81[天文地球—地质矿产勘探]