超钻机 superdriller
科拉超深钻孔 Kola Superdeep Borehole
超钻深度 over-drilling depth
超前钻孔 advance bore ; advance borehole ; advancing hole ; advanced hole
超声钻法 [机] ultrasonic drilling ; ultrasonic perforation
超声钻孔 ultrasonic drilling
打超前钻眼 predrilling
超长近钻头稳定器 extra-long near-bit stabilizer
超声波钻床 ultrasonic perforating machine ; ultrasonic drilling machine
同时由于钻具接头超磨，也容易造成钻具使用周期缩短甚至提前报废。
At the same time the joint drill wear also easily lead to shortening the life cycle of drilling and even early retirement.
深部井眼岩石力学的研究，特别是深部井眼岩石可钻性和岩石各向异性的研究，是解决深井、超深井钻井关键技术的重要课题。
Study on rock mechanics of deep wellbore, especially on rock drillability and rock anisotropy is a key project to resolve the problems of deep or ultra-deep well drilling.
套管磨损和扭矩过大是钻深井、超深井、水平井和大位移井时一个不容忽视的问题。
Wear of casing and too large torque are problems which can't be ignored when drill deep and super deep well, horizontal well and deviated well.
应用推荐