定向井气体钻井新技术  

NEW TECHNOLOGY OF DIRECTIONAL DRILLING WITH GAS

作　　者：向兴华[1] 刘洪彬[1] 

机构地区：[1]四川石油管理局钻采工艺技术研究院

出　　处：《钻采工艺》2007年第6期24-26,29,共4页Drilling & Production Technology

摘　　要：气体钻井目前在国内已得到了较多应用,具有有效提高机械钻速、防治地层严重漏失、保护油气层等优势,并在多个油气区块取得重大发现。为了扩大气体钻井的应用范围,更大地发挥现有各种先进技术在低渗油气藏开发中的效益,将气体钻井技术应用于定向井和水平井钻井是未来技术的发展方向。为此,需要进行科研攻关,解决气体钻水平井技术中存在的技术难题。文章针对这些难题介绍了目前已有的新工具和新方法。Gas drilling has been used a lot recently in China,it owns advantages of prevention of serious lost circulations,protection of reservoirs,etc.Especially its applications have led to important discoveries at many oil/gas fields.In order to expand the application scope of gas drilling,and to take full advantages of currently advanced technologies in development of low-permeability reservoirs,combination of gas drilling with directional and horizontal drilling is the future trend.Therefore to conduct research and find solutions for technical challenges encountered in directional drilling with gas has become a necessity.Currently available new tools and methods for these challenges have been introduced in this paper.

关 键 词：气体钻井 定向井 水平井 井眼测量 井眼轨迹 控制 

分 类 号：TE242.6[石油与天然气工程—油气井工程]