现金流方法在未开发低品位油藏经济评价中的应用

对低品位油藏的评价目前尚无统一的标准和评价方法。国内外大多数都采用现金流方法。利用现金流方法,即利用净现值、内部收益率和投资回收期三种模型评价油藏。本文对中国某油田低渗透砂岩油藏难动用区块及中高渗复杂断块砂岩油藏难动用区块进行评价,得出了低渗透砂岩油藏难动用储量界限标准和中高渗复杂断块砂岩油藏难动用储量界限标准;得出了低渗透砂岩油藏难动用储量界限标准图版和中高渗复杂断块砂岩油藏难动用储量界限标准图版。该方法为低品位油藏及其它类型油藏的界定奠定了理论基础。

The Application of Cash Flow Method in Economic Evaluation on Untapped Low-grade Reservoir

There is few united method to evaluate low-grade reservoir.Cash flow economic evaluation method is widely used in other fields.Cash flow method contains three different economic evaluation methods,that are VPV, IRR and investment recovery period methods.In this paper, we evaluated a low-permeability sandstone reservoir and a middle-high permeability complex fault block sandstone reservoir with the cash flow economic evaluation method.We get the evaluation standards and standard charts of the low-permeability sandstone reservoir and the middle-high permeability complex fault block sandstone reservoir.This new cash flow method is very useful for evaluation of low-grade reservoir and other kinds of reservoirs.