该文通过对大港油田古潜山欠平衡钻井的现场录井服务经验总结,阐述了欠平衡钻井条件下如何利用综合录井技术、应用配套录井手段和方法完成现场的随钻监控、发现油气层和有效评价油气层等一系列工作,对其它油区欠平衡钻井的现场综合录井服务有一定的借鉴价值。 This paper summarizes the field logging service experience of underbalanced drilling in ancient buried hill in Dagang Oilfield, expounds how to use integrated logging technology under the conditions of underbalanced drilling, and completes on-site monitoring while drilling by means of supporting logging and found that oil and gas Layer and effective evaluation of oil and gas layers and a series of work on other oil wells underbalanced drilling drilling comprehensive field service has some reference value.