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- ANALYSIS OF DECREASING TORQUE EFFECT AND THE LOCATION OF NON - ROTATING DRILL PIPE PROTECTOR IN SLIM HOLE 小井眼钻杆保护器减扭效果与合理布置分析
- drill pipe protector 钻管保护器
- The drill pipe that was broken has been found. 断了的钻杆被找到了。
- Drill pipe threads are not cleaned in that way. 钻杆丝扣不是那样清洗的。
- The right thing to do now is to bent a drill pipe. 现在要做的事是拉弯一根钻杆。
- Make up 15 joints of 5" HW Drill pipe. 接上15根5"加重钻杆。
- Drill pipe corrosion results from oxygen acting on metals. 钻杆的腐蚀来自氧对金属的作用。
- Petroleum and natural gas industries - Aluminium alloy drill pipe. 石油天然气工业-铝合金钻杆。
- The stand pipe pressure (drill pipe pressure) is 10kg/cm2. 立管压力（钻杆压力）10公斤/厘米2。
- Must these drill pipes be measured again? 这些钻杆必须再量一次吗?
- No defects did we find in these drill pipes. 在这些钻杆内我们没有发现缺陷。
- If the drill pipe threads become rusty, rust will have to be cleaned. 如果钻杆丝扣生锈,必须清除掉。
- The heavier mud travels down the drill pipe and up through the annulus. 较重的泥浆沿钻杆向下流动,然后通过环形间隙上升。
- CASTON is one of the enterprises for drill pipe production in China. 凯司通公司是国内最早从事钻杆生产的企业之一。
- This is the dope for drill pipe thread. It can't be used for drill collar. 这是钻杆丝扣油,不能用在钻铤丝扣上。
- Drill pipes are often corroded by the oxygen in the air. 钻杆在空气中经常被腐蚀。
- Drill pipes get rusty in air almost as fast as they do in water. 钻杆在空气中生锈的速度和在水中几乎一样快。
- I did not say if they had examined all those drill pipes. 我并没有说那些钻杆他们是否都检查过。
- This pressure must be under control,and we control it by means of the mud which we circulate down the drill pipe. 这种压力必须加以控制, 而且我们控制压力的方法是把泥浆灌注到钻管中去。
- Mud This pressure must be under control, and we control it by means of the mud which we circulate down the drill pipe. 这种压力必须加以控制,我们让泥浆顺着钻杆向下循环,用这种方法来控制压力。
