渤海湾盆地油气勘探现状与勘探方向

Oil-Gas Exploration Status and Future Targets in Bohai Bay Basin

渤海湾盆地勘探程度相对较高，与美国对比，该盆地勘探处于储量稳定增长阶段后期，仍具备深化勘探的资源潜力。深入分析后认为，碎屑岩、深潜山和潜山内幕等常规油气藏依然是实现储量、产量稳定增长的重要勘探领域；同时致密砂岩、湖相碳酸盐岩油’气资源量分别为15×10^8～18×10^8t和12×10^8t，致密砂岩气资源量为6．3×10^12m^3，这些非常规油气藏将是未来重要的勘探接替领域。现阶段应立足常规油气藏、探索非常规油气藏，从而实现油气资源的可持续发展。

The exploration degree of Bohai Bay basin is relatively high, compared with the American oil-gas exploration degrees in similar basins, the Bohai Bay basin is in the late stage of reserves stable growth and still has the resource potential for deepening exploration. The study shows that the conventional reservoirs of clastic rocks, the deep buried hills and inner buried hills are still major exploration domains to achieve the steady growth of reserves and production. Meanwhile, the petroleum resources in tight sandstone and lacustrine carbonate reservoirs amount to （15-18）×10^8t and 12×10^8t, respectively. Tight sandstone gas resource amounts to about 6.3×10^12m^3. These unconven-tional oil and gas reservoirs will be important succeeding domains for petroleum exploration in the future. Therefore, at the present stage, the unconventional oil and gas reservoirs should be explored and paid more attention to so that achieves the sustainable development of oil and gas exploration in this basin.