论文部分内容阅读
江苏黄桥CO2气田是目前我国陆上最大的CO2气田,具有特殊的成藏地质条件:深大断裂的发育为岩浆-幔源型CO2气提供了运移的通道,背斜轴部中生代、古生代海相地层中的裂隙储集层为CO2气提供了丰富的赋存空间,多期厚层泥岩尤其是上白垩统浦口组中、上部厚层纯泥岩段是本区最有利的盖层。这也为今后该地区CO2气田的进一步勘查指明了方向。
The Huangqiao CO2 gas field in China is currently the largest CO2 gas field onshore in China, and has special geological conditions for hydrocarbon accumulation: the development of deep faults provides a channel for migration of magmatic-mantle source CO2 gas, Mesozoic and Paleozoic The fractured reservoirs in the marine strata provide plenty of space for CO2 gas generation. The multi-stage thick mudstone, especially the upper and middle thick mudstone sections in the Upper Cretaceous Pukou Formation are the most favorable cap rocks in this area. This also pointed out the direction for further exploration of CO2 gas fields in the area in the future.