The Structure Interpretation And Reservoir Prediction Of Fuyu Oil Layer In Liangjing And Northern Qian’an Area

The Liangjing and northern Qian’an area are key regions for Jilin oilfield to submit the predicting reserves. In order to expand and upgrade the effective reserves, the study of the fine structure interpretation and the effective reservoir prediction have important practical and long-term strategic significances.The emphasis of this study is to meet the demand of the oilfield, so we have a fine structure interpretation to the studying area, and use coherence、curvatures attributes to identify the craven faults by fine studying, we interpret three NNW fault zones. According to the different geological conditions of Quan Ⅰand Quan Ⅲtwo target sand groups, we also take different technological measures to predict the reserves. By forward modeling、seismic attributes、strata slices、the waveform clustering technological means, we predict Quan Ⅰsand group and identify the underwater distributary channel sands; By frequency division attribute and the seismic inversion technological means, we have a prediction to Quan Ⅲsand group, and get the conclusions that the frequency division attribute can only do the qualitative analysis of the reservoir distribution, however, the geostatistical inversion and the prestack inversion can predict the sand group quantitatively, and have a better effect. By fine structure interpretation and comprehensive assessment to the advantageous reserves, we put forward four favorable target locations.