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近几年在鄂尔多斯盆地中部已发现多个上百亿立方米天然气储量规模的气田。富县勘探区位于该盆地的南部,该区奥陶系马家沟组为蒸发潮坪相沉积,具备形成天然气气藏的物质基础;本区上古生界处于生烃中心,气源充足;本区处于北部古潜台的延伸方向上,是有利的天然气勘探目标区。通过综合分析,对富县勘探区古生界天然气勘探提出部署意见。
In recent years, several gas fields with the scale of hundreds of cubic meters of natural gas reserves have been found in the middle Ordos Basin. The Fuxian prospecting area is located in the southern part of the basin. The Ordovician Majiagou Formation in this area is characterized by evaporization tidal flat, which has the material basis for the formation of natural gas reservoirs. The Upper Paleozoic in this area is at a hydrocarbon generation center with sufficient gas source. The zone is located in the direction of the ancient northern submarine extension, is a favorable target area for gas exploration. Based on the comprehensive analysis, the dissertation puts forward some suggestions for the exploration of Paleozoic natural gas in Fuxian exploration area.