XX区块砾石填充完井污染酸化解堵技术  

Gravel-filled well completion acid plugging technology in XX block

作　　者：李思洋 Li Siyang(Huizhou Oilfield,Shenzhen Branch,Cnooc LTD.,Guangdong Shenzhen 518000)

机构地区：[1]中海石油有限公司深圳分公司惠州油田,广东深圳518000

出　　处：《石化技术》2021年第4期55-56,共2页Petrochemical Industry Technology

摘　　要：针对XX区块部分油井由于采用砾石充填防砂完井,导致井底污染、使产量降低的情况,采用酸化解堵工艺解除地层污染。优选氟硼酸(NHD-C)体系作为主体酸液配方,通过在室内实验验证其酸化解堵效果,并在现场实验中取得理想效果。In view of the bottom hole pollution caused by gravel pack sand control and completion of some oil Wells in XX block and the decrease of production,acid blocking technology is adopted to remove formation pollution.Fluoroboric acid(NHD-C)system was selected as the main acid solution formulation,and its blocking effect was verified by laboratory experiments,and the ideal effect was obtained in field experiments.

关 键 词：砾石充填完井 酸化解堵 氟硼酸NHD-C体系 

分 类 号：TE257[石油与天然气工程—油气井工程]