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- drill pipe steel 钻杆钢
- Metallurgy Technology and Quality of Drilling Pipe Steel ASTM 4137 油井管用ASTM4137钢的冶炼工艺及质量
- 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。
- The Baoshan Iron and Steel won the bid for the drill pipe in Southeast Asia and South Asia to further expand the market has laid a good foundation. 此次中标为宝钢钻杆在东南亚和南亚市场的进一步拓展打下了良好的基础。
- 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。
- The milling process of X65 pipe steel and the inspection data of mechanical properties (tensile strength, DWTT and hardness)are introduced in detail. 详细介绍了X65卷板的生产流程和有关力学性能(拉伸性能、冲击性能及硬度)的检验结果。
- Serious sampling and integrated analysis were carried out in the production of pipe steel with LF-VD, RH-LF and LF-RH refining processes. 摘要对LF-VD、RH-LF和LF-RH三种精炼流程生产管线钢过程进行了系统取样和综合分析。
- Drill pipes are often corroded by the oxygen in the air. 钻杆在空气中经常被腐蚀。
- However, business-related Liaocheng seamless steel pipe steel futures experts agree that the problem of excess supply is a major increase resistance. 不过，聊城无缝钢管企业相关专家都认为钢材期货的供应过剩问题是一大上涨阻力。
