摘要
疏松砂岩储层开发过程中往往伴随着微粒运移造成的储层伤害,以往这种伤害仅能定性判断,无法准确指导矿场酸化增产作业。以实验室岩心速敏实验为依据,对近井地带渗透率变化进行了理论推导,得出了储层伤害图版。结果表明,该图版可以依据油井产液量的变化快速判断近井带储层伤害的半径范围,用以指导矿场酸化作业,对疏松砂岩油藏解除污染作业具有积极的指导意义和实用价值。
In the process of unconsolidated sandstone reservoir development,the damage caused by particle migration is often accompanied.In the past,this kind of damage can only be qualitatively determined,and can not accurately guide the field acidification stimulation.Based on the laboratory core velocity sensitivity experiment,the permeability variation in the near-wellbore zone is theoretically derived and the reservoir damage chart is obtained.The chart can quickly determine the damage radius of the near-wellbore reservoir according to the change of the fluid production of the well,which can be used to guide the acidizing operation of the field.It has positive guiding significance and practical value for the decontamination operation of loose sandstone reservoir.
作者
刘超
侯亚伟
李思民
范佳乐
刘思远
LIU Chao;HOU Yawei;LI Simin;FAN Jiale;LIU Siyuan(Tianjin Branch of CNOOC(China)Limited,Tianjin 300459,China)
出处
《北京石油化工学院学报》
2023年第3期16-20,共5页
Journal of Beijing Institute of Petrochemical Technology
基金
中海石油(中国)有限公司科技项目(YXKY-2018-TJ-04)
国家科技重大专项(2016ZX05058-001)
中海石油(中国)有限公司重大项目(CNOOC-KJ135ZDXM36TJ)。
关键词
微粒运移
储层伤害
疏松砂岩
酸化
速敏
伤害半径
particle transport
reservoir damage
loose sandstone
acidification
speed sensitive
radius of damage
