摘要
文中分析了川渝地区 5口井钻具失效的原因 ,并对失效钻具结构、失效井段及地层岩性进行综合分析 ,详细描述了钻具失效部位的失效情况 。
The paper analyses the drilling tool failure cases in 38 wells of Chuanyu area,synthetical study the structure of failure drilling tool,failure section and formation lithology.In combination with the force condition on downhole string,the paper reveals the main causes of drilling tool failure in shalow well and puts forward corresponding preventive measures.
出处
《钻采工艺》
CAS
2004年第1期70-72,78,共4页
Drilling & Production Technology