A Judgment Method of Oil-Water Layer
A determination method and oil-water layer technology, which can be applied to instruments, measuring devices, scientific instruments, etc., can solve problems such as inability to meet fine exploration and development, and have a large impact, so as to make up for the limitations of identification methods, expand the scope of parameters, and provide reliable support. Effect
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[0071] The Baxian Sag is located in the hinterland of the Bohai Bay Basin, and is one of the oil-gas-rich sags in the Bohai Bay Basin. The oil testing data and pyrolysis gas chromatographic data of the corresponding layers in 15 oil testing intervals of 7 oil testing wells located in the Baxian sag were extracted, as shown in Table 2, and the interpretation chart was drawn by using the characteristic parameter interpretation method, as shown in figure 2 , image 3 and Figure 4 As shown, the oil testing conclusions are oil layers, oil-water layers, and oil-bearing water layer reservoirs, and the pyrolysis chromatographic parameter fold lines are clearly divided on the chart.
[0072] Reservoir: Well C514x well section 2409.0-2415.0m. Coring pyrolysis gas chromatography parameters (see Table 2) of this well section are on the explanatory drawing board (see Table 2) Figure 5 ) distribution, all fall within the scope of the oil area, which is interpreted as an oil layer. Ai...
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