大家都搜：
钻孔循环；钻井循环；钻井周期
1、drilling───n.钻孔；训练，教练；演练；v.钻孔；训练（drill的ing形式）
2、choral drilling───齐声练习
3、drilling hole───钻孔
4、drilling jobs───钻井作业
5、drilling operation───钻井作业
6、drilling down───向地下钻；深度探讨
7、crowner drilling───冠钻
8、cycle───vt.使循环；使轮转；vi.循环；骑自行车；轮转；n.循环；周期；自行车；整套；一段时间
9、ocean drilling───海洋钻探
1、It sets good records on drilling cycle, net drilling time and average ROP in the same kind of horizontal wells.───该井的完成，创同类型水平井钻井周期、纯钻时间、平均机械钻速的国内好成绩。
2、It is the important way for shortening drilling cycle and decreasing the drilling cost.───这是缩短钻井周期、降低钻井成本的重要途径。
3、Field applications in several adjustment wells in this area show that the ROP is obviously improved and the drilling cycle is reduced.───在该地区几十口调整井钻井中应用表明，机械钻速明显提高，钻井周期缩短，经济效益非常好。
4、Through its fuilds and its well testing business, TETRA capitalizes on cyclical upturns in the oil and gas drilling cycle.───TETRA公司通过油田和油井的试验业务，将资金以周期性上升方式投向了油田和气田的钻探周期的运营。
5、It sets good records on drilling cycle, net drilling time and average ROP in the same kind of horizontal Wells.───该井的完成，创同类型水平井钻井周期、纯钻时间、平均机械钻速的国内好成绩。
6、Moreover, the removal of the coiled chips from the drilling tool previously necessary after each drilling cycle is dispensed with.───而且，省却了以前在钻孔之后必须从钻孔工具中移走切屑螺旋的需要。
7、It will cut down the drilling cycle, cutdown the cost of drilling and improve the quality of bit trajectory.───因此可以缩短钻井周期，降低钻井成本，提高井身质量。
8、Implementing Drilling Cycle in the General Postprocessing System───通用后置处理中生成固定循环加工指令
1、It will cut down the drilling cycle , cutdown the cost of drilling and improve the quality of bit trajectory.