由 5个油田的现场实例说明 ,最近的研究向传统的气体流入 (气体侵入井内 )概念提出了挑战。以往现场人员一直使用“经验法则” ,即气体以 10 0 0ft h的速率运移。但现场实例表明 ,气体可能移动 ,也可能不移动 ,其运移速率受多种因素影响 ,同时建议不能完全依赖井口压力增加来准确分析和预测气体运移特征 A field example from five oil fields shows that recent research presents a challenge to the concept of traditional gas influx, where gas intrudes into the well. Historically, field personnel have used the “rule of thumb” that gas travels at a rate of 100 ft h. However, field examples show that gas may or may not move and its rate of migration is affected by a number of factors, and at the same time it is not advisable to rely solely on increased wellhead pressure to accurately characterize and predict gas migration