Trap efficiency of reservoirs
Trap efficiency of reservoirs
复制标题
DOI：
10.1029/tr034i003p00407
复制
发表时间：
1953-06
期刊：
影响因子：
--
通讯作者：
G. Brune
中科院分区：
文献类型：
--
作者：
G. Brune
分析了44条油藏圈闭效率记录及影响圈闭效率的因素。容量流入（C/I）比被发现提供了一个更密切的相关性与陷阱效率比容量分水岭（C/W）比迄今为止广泛使用。从所研究的案例来看，为拦截重力底流而进行的排气或泄水作业的准确时间安排可能会使水库排放的沉积物数量增加三倍或四倍。沉沙池，由于其形状和操作方法，可能有陷阱效率超过90%，即使非常低的C/I比。具有高C/I比的半干油藏，如约翰马丁油藏，其圈闭效率可能低至60%。真正的“干”储层，如迈阿密保护区的储层，可能具有10 - 40%的圈闭效率，这取决于C/I比
Forty-four records of reservoir trap efficiency and the factors affecting trap efficiency are analyzed. The capacity-inflow (C/I) ratio is found to offer a much closer correlation with trap efficiency than the capacity-watershed (C/W) ratio heretofore widely used. It appears likely from the cases studied that accurate timing of venting or sluicing operations to intercept gravity underflows can treble or quadruple the amount of sediment discharged from a reservoir. Desilting basins, because of their shape and method of operation, may have trap efficiencies above 90 pct even with very low C/I ratios. Semi-dry reservoirs with high C/I ratios, like John Martin Reservoir, may have trap efficiencies as low as 60 pct. Truly “dry” reservoirs, such as those in the Miami Conservancy District, probably have trap efficiencies in the 10 to 40 pct range, depending upon C/I ratio