目前我国的油井开采作业经常遇到油层污染问题,且污染涉及到了井下作业的各个环节,极大的影响了油井效益,因此亟待需要对该方面进行深入的调查研究以指导各个油田的油层保护工作。 At present, oil well exploration operations in our country often encounter oil layer pollution problems, and pollution involves all aspects of downhole operations, which greatly affects the benefit of oil wells. Therefore, there is an urgent need to conduct an in-depth investigation and study on this aspect to guide the oil layer protection work in various fields .