空气钻井技术在徐深21井的应用  

The Application of Air Drilling Technology in Well Xushen-21

作　　者：田鲁财[1] 刘永贵[1] 白晓捷[1] 马晓伟[1] 

机构地区：[1]大庆石油管理局钻探集团公司钻井工程技术研究院,黑龙江大庆163413

出　　处：《石油钻探技术》2006年第4期27-29,共3页Petroleum Drilling Techniques

摘　　要：大庆油田为给提高深层地层机械钻速提供科学依据,在徐深21井的泉头组2段以下非储层段进行了空气钻井试验。试验结果表明,空气钻井能大幅提高机械钻速,与常规钻井相比,纯空气钻井机械钻速提高4～6倍,充气钻井提高1倍以上,空气钻井井段的井斜控制在设计范围内,井径扩大率比常规钻井液钻井略大。这表明大庆油田外围深部地层稳定性良好,适合应用空气钻井技术。In order to acquire data necessary to increasing penetrating speed in deep formation, the Daqing oilfield tested non-reservoir formations beneath section Quantou-2 in Well Xushen-21 with air drilling. Tests results indicate that air drilling can considerable increase the ROP, that of pure air drilling is 4～6 times higher than conventional drilling operation, and 2 times as high as one of aerified drilling. Inclination of hole-section penetrated by air drilling can be controlled within planned range, and its hole enlargement is slightly larger than conventional one, which indicate that the deeper formation in the Daqing oilfield behave good stability, and is suitable for air drilling.

关 键 词：气体钻井 气举 钻井设备 机械钻速 徐深21井 

分 类 号：TE242.6[石油与天然气工程—油气井工程]