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柴达木盆地涩北1号气田的气水界面不是一个水平面,呈现向北东倾斜的斜面,气田东北翼的气水边界比西南翼低30余米。其形成机理是,来自西南方昆仑山的地层水流经涩北1号气田,并在东北方向露头区渗出,在独立的流体流动系统内形成的水动力压差,导致涩北1号气田的气水界面发生倾斜(约0.5°),气水界面与构造等值线不一致,称其为气水界面倾斜式气藏。这类气藏的研究对该区天然气勘探、含气面积、储量计算和开发井网部署等方面的研究都有密切的关系。
The gas-water interface of Sebei Gas Field No. 1 in the Qaidam Basin is not a horizontal plane with a beveled slope to the north east. The gas-water boundary of the northeast wing of the gas field is 30 meters lower than the southwest wing. The formation mechanism is that formation water from the Kunlun Mountains in the southwest flows through Sebei 1 gas field and exudes in the northeast outcrop area, resulting in the hydrodynamic pressure difference in the independent fluid flow system, resulting in The gas-water interface is inclined (about 0.5 °), and the gas-water interface is inconsistent with the structural contour, which is called the gas-water interface inclined gas reservoir. The research on this kind of gas reservoirs is closely related to the research on natural gas exploration, gas-bearing area, reserves calculation and deployment of well pattern in this area.