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- Composite drilling pipes 复合材料钻井管
- 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。
- 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。
- 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。
- 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。
- 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。
- Make up 15 joints of 5" HW Drill pipe. 接上15根5"加重钻杆。
- Well protected from corrosion, these drill pipes are not rusty at all. 由于防腐很好,这些钻杆一点没生锈。
- The composite drilling is also successfully applied and the drilling rate increases 66%.Reasonable BHA can effectively control the well trajectory. 在小井眼开窗侧钻工艺中成功应用复合钻井技术，钻井速度提高了66%25，选择合理的钻具组合可对井眼轨迹进行有效的控制。
- PHP CFH MMH composite drilling fluid is optimized, especially for drilling in sub deep wells and high concentrated deep wells. 为满足中深井 ,特别是高地层压力深井钻井的需要 ,优选了 PHP- CFH- MMH复合钻井液体系。
- 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。
- This effect trickled down throughout the drilling industry and affected support equipment such as drill pipes, drill collars, and pump jacks. 这个结果慢慢地浸入到整个钻探行业并且影响到各种辅助设备，如钻管、钻杆和深井泵。
- Aluminium well drilling pipes are product deveoloped and patented by Reynolds Metals Company of USA. 铝钻探管以其优良的钻探特性广泛应用于海洋和沙漠石油开采中。
- 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。
