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- Based on analyzed the relation of these factors and collapse pressure and recognized cavy, some suggestions which prevent borehole collapse have been proposed. 在分析各因素与坍塌压力的关系和确定地层易塌层位的基础上，提出了几点防止井眼坍塌的建议。
- Geological circumstance in Xinzhan area is complicated and borehole collapses occur easily during drilling operations that result in borehole obsolescence. 新站地区地质情况比较复杂,在钻井施工过程中极易发生井塌等情况,严重者由于井塌而导致了新钻井被迫报废进尺。
- Accident Treatment of Drill Bit Hidden in the Earth When Borehole Collapse for Pile Drilling 钻孔桩坍孔埋钻事故的处理
- He collapse the wheelchair and put it on the boat. 他将轮椅折叠起来放在船上。
- The shack seemed almost ready to collapse. 那小屋子好像是快要倒塌了。
- The cartoon ended with collapse of stout party. 卡通以一个自以为是的人斗败后目瞪口呆作为结束。
- The wind caused the tent to collapse. 风把帐篷吹塌了。
- Keywords gas drilling;water-base drilling fluid;low wettability reversal angle;low permeability;low activity;wellbore stability;borehole collapse;anti-sloughing drilling fluid; 气体钻井;水基钻井液;低润湿反转角;低渗透;低活度;井眼稳定;井塌;防塌钻井液;
- She looked ready to collapse at any minute. 她看样子随时都可能垮下来。
- The out break of the war precipitated the collapse of our firm. 战争的爆发加速了我们公司的倒闭。
- The collapse of the building caused no casualties. 建筑倒塌没有造成伤亡。
- The stock market was on the brink of collapse. 股市已到崩盘的边缘。
- The house is now in danger of collapse. 这座房子有倒塌的危险。
- Borehole collapse interval 扩径厚度
- borehole collapse 井壁坍塌
- Some miners were trapped underground after the collapse. 塌方后，有些矿工被困在地下。
- The engineer made a complete diagnosis of the bridge's collapse. 工程师对桥的倒塌做一次彻底的调查分析。
- He collapse in the street and die on the way to hospital. 他在大街上晕倒，在送往医院途中死去。
- Keep back! The building could collapse at any moment. 别靠近! 那建筑物随时可能倒塌。
- The collapse of popular respect for the integrity of world leaders. 对世界领袖的正直无私的普通尊敬的瓦解
