负压钻井技术在探井中的初步应用  

Application of Underbalanced Pressure Drilling Techniques in Exploration Wells

作　　者：栗广科 

出　　处：《石油钻探技术》1998年第2期19-20,40,共3页Petroleum Drilling Techniques

摘　　要：介绍了中原油田两口探井应用负压钻井技术的施工情况。探讨了负压钻井的优点及技术要求。初步实践表明，负压钻井技术完全适用于高压低渗地层和低压易漏地层，其效果明显。Using underbalanced pressure drilling technique in two exploration wells are introduced in this paper.The advantages of underbalanced pressure drilling and its technical requirements are also discussed.The preliminary practices show that underbalanced pressure drilling is completely fit to high pressure and low permeability as well as low pressure and leakage formations.

关 键 词：负压钻井 探井 油气显示 油田 

分 类 号：TE249[石油与天然气工程—油气井工程]