Based on the mechanism of water coning of horizontal Wells in bottom-water drive reservoir the critical production pressure difference is obtained.
在分析底水油藏水平井开发底水脊进原理的基础上，建立了底水油藏水平井开发的临界生产压差计算公式。
Initial oil saturation is controlled by the reservoir boundary and structural. Parts of the reservoir with high initial water saturation dose not form effective edge and bottom water drive.
含油饱和度受油藏边界和构造形态控制，油藏南部边缘和局部构造低部位原始含水饱和度高，但不形成有效边底水驱动。
As a bottom water drive reservoir with good petrophysical and oil properties, H2 has oil in place accounting for 38.97% of the total reserve in PHOGF.
该油藏是底水油藏，储层和原油性质均很好，其原油地质储量占全油气田原油地质储量的38.97%。
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