提高小眼井钻井速度初探  

Approaches to Improvement of Penetration Rate in Slim Holes

作　　者：吴修国[1] 刘畅[1] 

机构地区：[1]中原石油勘探局钻井四公司,河南清丰457321

出　　处：《石油钻探技术》2000年第1期17-19,共3页Petroleum Drilling Techniques

摘　　要：从钻头的机械和水力破岩能量、小尺寸钻头状况、小眼井钻井工艺及工具状况及压持效应等方面分析了造成小眼井钻井机械钻速低的原因,并从小尺寸钻头优选、钻井方式及新型钻井工具等方面给出了提高小眼井钻井速度的技术措施。The paper presents the mechanical and hydraulic rock breaking capacity of bits, small-size bit status, slim hole drilling techniques and tools conditions, and chip hold down effect, which are the reasons made lower penetration rate, and gives the technical measurements for improving slim hole penetration rate, such as small-size bit optimum selection, drilling method and new type drilling tools, and so on.

关 键 词：小眼井 机械钻速 钻井速度 

分 类 号：TE246[石油与天然气工程—油气井工程]