The multi-layer sandstone reservoir of Bohai L Oilfield has entered the middle-high water cut stage.The difference of water cut in the production process of adjusted wells after fracturing-packing is large,some wells have high water cut,and the daily oil production can not meet the design requirements,which has a great influence on the deployment in adjustment wells.By using the multi-layer digital model mechanism,the effects of 3 kinds of fracturing-packing methods,in all layers of the whole well,the frac-turing-packing in only the principal producing and only the non-principal producing layers are analyzed respectively in different water-cut periods.The results show that when the strong water flooding thickness of the principal producing layers reaches a certain proportion,the fracturing-packing of the principal pro-ducing layers will cause water channeling and seriously affect production,while the fracturing-packing of non-principal producing layers is beneficial for controlling water cut of oil wells and increasing production,which provides a basis for the development of fracturing-packing in adjustment wells.
关键词
主力层/非主力层/压裂充填/含水率
Key words
principal producing layers/non-principal producing layers/fracturing-packing/water cut
万方数据