Name： Produced water treatment reinjection project of CNPC Jilin oilfield Xinmin oil extraction plant
Project name: produced water treatment reinjection project of CNPC Jilin oilfield Xinmin oil extraction plant
Project scale: 4000m3/d
Commissioning date: Oct, 2016
Other users: CNPC Daqing oilfield, Sinopec Jiangsu oilfield, Yanchang oilfield, Sinopec east China branch, CNPC Huabei oilfield, CNPC Jilin oilfield, Sinopec Zhongyuan oilfield, etc.
Project overview: Jilin oilfield Xinmin oil extraction plant is low permeability reservoir with high injection requirements, normal treatment process can not meet A1 injection requirement. This project adopts the treatment process of obligate microorganism + membrane. After treatment, the effluent reached the standard of water injection quality stated in “The recommended index and analysis method for water injection water quality in clastic reservoir” SY/T 5329-2012 that oil content≤5.0mg/L;suspend solids content≤1.0mg/L;median particle diameter of suspended solids≤1.0μm.