Conversion time optimization of"secondary-tertiary combination"in high water-cut oilfield
Facing the problem related to the inadequacy of existing conversion time research methods towards the optimization design needs of the"secondary-tertiary combination"conversion time of old oilfields with high water cut,a research method of optimal design on"secondary-tertiary combination"was established based on the comprehensive analysis of enhanced oil recovevy(EOR)conversion time researches and economic evaluation methods,in which the feasibilities of engineering technology and economic ben-efits were considered.The full life cycle development value chain concept of"secondary-tertiary combination"for old oilfields with high water-cut was proposed,which taking comprehensive consideration values of technology,economy and society.The develop-ment value chain model of"secondary-tertiary combination"with full life cycle benefits and stable production was established for the first time.And the conversion time sensitivities of"secondary-tertiary combination"to the final oil recovery and full life cycle of the reservoir were analyzed by an application example.The results show that the stable production,benefit and life cycle are the main considerations for the full life cycle benefit and stable production development of"secondary-tertiary combination",and the influence of conversion time on the benefit and stable production is opposite.
secondary-tertiary combinationconversion timeoptimization theoryfull life cycledevelopment value chain model
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