稠油油田蒸汽吞吐井生产后期，在泵下掺稀油能延长生产周期，增加周期产量。
During the late period of steam stimulation, mixing viscous crude oil with pumped down light oil can prolong the production period and increase the cumulative oil production.
当油井进入生产后期后，许多疏松砂岩油藏出砂现象非常普遍，这时候需要对油井进行冲砂作业。
When the production tail of a well comes, sand production is very common in sandstone reservoirs. It is necessary to proceed a cleanout service.
分析并提出气井各生产阶段的工艺技术措施与对策，气井生产后期应用复合型排水采气技术是提高气藏采收率的重要措施。
In the late production period of gas well, complex drainage gas recovery technology is the important measure for raising the recovery efficiency of gas reservoir.
应用推荐