高密度无固相修井液用提切剂性能评价及应用  

Performance evaluation and application of lifting agent for high density solid-free workover fluid

作　　者：麻洪霞 王欢 罗俊杰 罗米娜[2] MA Hongxia;WANG Huan;LUO Junjie;LUO Mina(Chengdu Xiyou Huawei Technology Co.,Lid.,Chengdu 610500,China;College of Chemistry and Chemical Engineering,Southwest PetroleumUniversity,Chengdu 610500,China)

机构地区：[1]成都西油华巍科技有限公司,四川成都610500 [2]西南石油大学化学化工学院,四川成都610500

出　　处：《精细石油化工进展》2022年第6期6-9,共4页Advances in Fine Petrochemicals

摘　　要：提切剂是控制无固相修井液流变性能的关键处理剂。常规的修井液用增黏提切剂在高密度无固相修井液中使用效果不佳,为此,通过混合金属氧化物水化聚合一种提切剂ZN-AD,将ZNAD用于HWJZ-1高密度无固相修井液,对其提切性能进行评价,并在四川河嘉203井进行应用。结果表明:ZN-AD具有良好的提切效果,能增加高密度无固相修井液黏度及动切力,具有优良的抗温抗盐性能及高温稳定性。以ZN-AD为提切剂配制增黏型HWJZ-1高密度无固相修井液,现场应用表明,该修井液可有效携带井底岩屑,保证顺利施工。Lifting agent is the key agent to control the rheological property of workover fluid without solid phase.Conventional viscosity-increasing and shear-lifting agents for workover fluids are not effective in highdensity solid-free workover fluids.Therefore,slitting agent ZN-AD was synthesized by hydration polymerization of mixed metal oxides.ZN-AD was applied to HWJZ-1 high density solid-free workover fluid.The performance of lifting agent was evaluated,and it had been applied in Hejia 203 well of Sichuan.Results showed that ZN-AD had good lifting and cutting effect,could increase the viscosity and dynamic shear force of high density solid-free workover fluid,and had excellent temperature and salt resistance and high temperature stability.The viscosity-increasing HWJZ-1 high density solid-free workover fluid was prepared with ZN-AD as lifting and cutting agent.Field application showed that the workover fluid could effectively carry cuttings at the bottom of the well and ensure smooth operation.

关 键 词：高密度无固相修井液 提切剂 抗温抗盐 增黏提切 携带岩屑 

分 类 号：TE358[石油与天然气工程—油气田开发工程]