The Fine Reservoir Description Of Sha-3 Section In Damintun Oilfield Shen67 Zone

Located in QianJin rupture anticline structure region of damingtun sag, Shen67 block reservoir's oilferious section is long, sub-layer number is excessive, monolayer thickness is thin, which has a typical sandstone reservoir characteristics with thin multi-layer. In July 1987 fully developed, after historical adjustment of layers, such as well pattern and well spacing, in addition of sand and casing deformation and the other reasons of well shutdown, resulting in inadequate reservoir injection system, low well controlling , the strata development had been disrupted. The distributing regularity of remaining oil is unclear, so that there are some difficulties in potentical probing. Through reservoir fine contrasting and fluid flow unit dividing, the subject ascertains the type of Shen67 block reservoir structure, spatial distribution of sand, together with continuity and connectivity. On the basic of the standardization of the whole well logging data, through digital processing and evaluation of multi-well, accurately determine the lithology, physical properties, oil parameters, log data .According to the characteristics of logging data, the subject studies the reservoir level of classification in order to improve the precision of the interpretation of the reservoir and predict the development process of the injection reservoir imperfect; by the test and production dynamic data to analyze the flow channel and pore structure change during long-term exploitation, to forecast reservoir large channel, in addition to adjust the relationship between injection and production. With the help of GOCAD, the 3D model of heterogeneity of reservoir has been built. Through numerical simulation, the parameter diversification regularity between well and the remaining oil distributing pattern have been predicted. Shen 67 block has been done the later research and further mining fine adjustment , which with thin multi-layer reservoir development, for further exploiting reservoir potentialities, increasing the water-driving recovery ratio and improving development effect.