PRACTICE AND COGNITION OF OIL RESERVOIR PROTECTION TECHNIQUE IN LONGBEI AREA

For the development of low permeability oilfield,this paper,based on the lab test and field practice in Longbei area,Daqing Oilfield,presents the view of protecting oil reservoir during the whole stage of development.Through the reservoir sensitivity evaluation test,the inflow fluid screening test,the field test,the economic benefit analysis and so on,the oil reservoir protection technique of low permeability oil-field is practiced and studied.The view presented in the paper will be helpful for developing the similar oilfield.