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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。
- Abstract With the increase of the coiled tubing works in high pressure and deep wells, the coiled tubing collapse pressure become more and more important in coiled tubing works. 随着连续油管在高压井和超深井中作业次数的增多,连续油管的压力挤毁问题日益突出。
- The software used to calculate "safe" mud weight window had been developed. Only a few parameters are needed , the software can calculate rock properties, formation pressure, in-situ stresses , collapse pressure and fracture pressure along the well bore. 在前四步的基础上,编制了“基于测井资料的安全钻井液密度窗口预测”应用软件,该软件主要利用测井资料钻前预测安全钻井液密度窗口,要求输入的参数少,操作方便,能输出岩石力学参数曲线、地层压力曲线、地应力曲线、坍塌压力、剪切破坏压力曲线与破裂压力曲线,对钻井工程具有很强的现实指导意义。
- 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。
- She looked ready to collapse at any minute. 她看样子随时都可能垮下来。
- The beer comes out of the barrel under pressure. 啤酒受到压力从桶中流出。
- Our pressure vessel is licensed product. 我厂生产的压力容器是授权生产产品。
- 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。
- Loss of pressure had not registered on the dials. 刻度盘未记录压力下降。
- 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。
- Air pressure forces the water through the pipe. 空气压力使水通过管道。
- The house is now in danger of collapse. 这座房子有倒塌的危险。
- What's the atmospheric pressure today? 今天的气压怎么样?
- The water pressure may need adjusting. 水压可能需要调整。
- Pressure is force per unit area. 压力就是电单位面积上的力。
- He drop out because of the pressure. 由于校规很严,所以他退学了。
