In order to solve gas channeling and injected gas fingering problems in heavy oil steam stimulation wells, high pressure plugging control and cleanup additive is developed based on lab test, its performance test showed that it can be field tested.

• 为解决稠油蒸汽吞吐井汽窜和注汽指进问题,利用室内实验,研制出高温调堵助排剂,对其性能进行了测试,结果表明可以进行现场试验。