宽阔井底在蓬盐矿区单井中的作用

Function of Broad Well Bottom in Single Wells of Penglai Salt Concession

针对蓬盐矿区盐体夹层多,特别是石膏夹层多的特点,结合各卤井实际情况,阐述了沉砂堆积和堆积覆盖所致倒锥特别突出,以至垮塌冲击成为必然对单井生产的危害,进而提出宽阔井底在单井生产中的作用和简单可行的技术手段。

Based on the fact that there are a lot of interlayers, especially gypsum interlayers in salt seam in Penglai Concession, this paper elaborates the harm that the inevitable collapse and impact have done to single well operation due to the conspicuous reversed trumpet cavern caused by fallen sands accumulation and accumulation coverage. Function of broad well bottom in single wells operation as wells as feasible and simple technical means are further put forward.