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空气钻井技术作为近年来快速发展起来的一种钻井新工艺,在大幅度提高钻井效率、提高钻井施工队伍经济效益的同时,给地质录井工作者在施工现场判断地层岩性和确定油气异常显示方面带来了一系列困难。结合空气钻井在川东北普光气田的应用情况,简要介绍了空气钻井原理,详细分析了空气钻井技术对地质录井工作造成的不利影响及其原因,结合实例提出了充分利用岩屑自然伽马录井技术和图像识别技术,以应对空气钻井施工带来的不利影响,提高地质录井质量。
Air drilling technology, as a new drilling technology developed rapidly in recent years, greatly improves drilling efficiency and enhances the economic benefits of drilling teams. At the same time, it gives geologists a chance to judge formation lithology and determine the anomalies of oil and gas on the construction site Aspects have brought a series of difficulties. Combined with the application of air drilling in the Puguang gas field in northeastern Sichuan, the air drilling principle is briefly introduced. The adverse effects caused by air drilling technology on the geological logging work and the reasons are analyzed in detail. The examples are given to fully utilize the natural gamma ray recording Well technology and image recognition technology to cope with the adverse effects of air drilling and improve the quality of geological logging.