疏松砂岩油藏遍布于世界的各个油区。
Unconsolidated sandstone reservoirs are all over international various oil region.
在疏松砂岩油藏中钻水平井首先要解决的是井眼失稳问题。
The instability of the horizontal hole in unconsolidated sand reservoir is the main topic which must be considered during the horizontal well drilling operation.
油田开采到中后期，疏松砂岩油藏的出砂问题愈来愈突出，严重影响了油田的正常生产。
In the middle and later stages of the oil fields 'exploitation, the sand production of loose sandstone deposit is increasingly serious, seriously affecting the oil field regular production.
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