一次性套取全孔1445.86m粘埋卡钻具事故的处理技术  

Treatment Technology of Drilling Tool Accident of 1445.86m Sticking in Full Hole at One Time

作　　者：钟明 Zhong Ming(The First Exploration Team of Shandong Province Coal Geology Bureau,Shandong Qingdao 266404)

机构地区：[1]山东省煤田地质局第一勘探队,山东青岛266404

出　　处：《山东煤炭科技》2022年第3期94-97,共4页Shandong Coal Science and Technology

摘　　要：玉皇庙3号地热井施工过程中由于钻具断脱打捞时间过长,造成粘埋钻具事故的发生。在该井研制使用了钻孔环形切刀钻具,一次性处理好该钻孔事故。该技术方法处理钻孔卡钻事故简单高效,避免了造成孔内事故复杂化,节约了处理事故时间,减轻了事故造成的危害,避免了大量的经济损失,取得了显著的经济效益和社会效益。During the construction of Yuhuangmiao No.3 geothermal well,the drilling tool break-off and salvage time is too long,which leads to the accident of sticking and burying drilling tools.A drilling ring cutter drilling tool is developed and used in this well to deal with the drilling accident at one time.This technical method is simple and efficient in dealing with borehole sticking accidents,avoids the complication of borehole accidents,saves the time of dealing with accidents,reduces the harm caused by accidents,avoids a large number of economic losses,and remarkable economic and social benefits have been achieved.

关 键 词：压差卡钻 泥浆性能 导向环状切刀 事故处理 

分 类 号：P634.8[天文地球—地质矿产勘探]