作者: M.T. Albdiry , M.F. Almensory
DOI: 10.1016/J.ENGFAILANAL.2016.03.014
关键词:
摘要: Understanding the failure analysis of drillstring and its components ie, drill collar and drilling bit is one of the essential issues in the oil and gas industry for the high cost of oil well drilling. Different ways such as air drilling, percussion drilling and downhole hydraulic ultra-high pressure (UHP) jet assisted drilling have been often used to improve the rate of penetration (ROP), minimize the cost of drilling per foot and diminish well deviation. Nevertheless, these drilling ways aggravate the working conditions of the downhole drilling tools materials and …