In recent years,Bohai Oilfield has continuously intensified its adjustment and potential tapping efforts.Adjustment wells have become a key measure for increasing production in offshore oilfields,contributing signific...In recent years,Bohai Oilfield has continuously intensified its adjustment and potential tapping efforts.Adjustment wells have become a key measure for increasing production in offshore oilfields,contributing significantly to output.However,with the persistent rise in water cut and the increasingly complex distribution of remaining oil,the difficulty of predicting the medium-to-long-term production of adjustment wells has increased substantially,severely constraining the accuracy of development planning.To address this issue,this study systematically analyzes the productivity construction patterns of different potential-tapping types in Bohai Oilfield based on dynamic development data and incorporates a key quantitative indicator of productivity construction effectiveness—the Productivity Coefficient(PC).An innovative multi-dimensional evaluation system for the effectiveness of productivity construction in offshore oilfields has been developed,and a methodology for predicting the medium-to-long-term production of adjustment wells has been established.Application of this method in the Bohai BZ Oilfield indicates that the future average annual production scale of adjustment wells is approximately 7×10^(4) tons to 10×10^(4) tons,with prediction results aligning well with actual development dynamics.This research provides a theoretical foundation and decision-making support for medium-tolongterm production planning in Bohai Oilfield.展开更多
文摘In recent years,Bohai Oilfield has continuously intensified its adjustment and potential tapping efforts.Adjustment wells have become a key measure for increasing production in offshore oilfields,contributing significantly to output.However,with the persistent rise in water cut and the increasingly complex distribution of remaining oil,the difficulty of predicting the medium-to-long-term production of adjustment wells has increased substantially,severely constraining the accuracy of development planning.To address this issue,this study systematically analyzes the productivity construction patterns of different potential-tapping types in Bohai Oilfield based on dynamic development data and incorporates a key quantitative indicator of productivity construction effectiveness—the Productivity Coefficient(PC).An innovative multi-dimensional evaluation system for the effectiveness of productivity construction in offshore oilfields has been developed,and a methodology for predicting the medium-to-long-term production of adjustment wells has been established.Application of this method in the Bohai BZ Oilfield indicates that the future average annual production scale of adjustment wells is approximately 7×10^(4) tons to 10×10^(4) tons,with prediction results aligning well with actual development dynamics.This research provides a theoretical foundation and decision-making support for medium-tolongterm production planning in Bohai Oilfield.
