Adjustment and optimization of water injection development of the low-permeability oilfields in Eerduosi Basin

Based on the development practices and formation characteristics of Chang 6 and Chang 3 of main low permeability reservoirs in Ansai, Jing'an and Huachi oilfields, Eerduosi Basin, some techniques for optimizing and adjusting injection projection parameters and water flooding ways are put forward to improve the results of water flooding development, single well production and final recovery factor of super low permeability oilfields. They can reduce development investment and production cost, and can finally enhance whole development benefits.