钻井所使用的油基泥浆和其他有毒复合泥浆不得排放入海。
Oil-based mud and toxic compound mud used in drilling may not be discharged into the sea.
一种钻井工具，利用聚晶金刚石复合片切削齿通过连续的刮擦运动去剪切岩石。
A drilling tool that USES polycrystalline diamond compact (PDC) cutters to shear rock with a continuous scraping motion.
复合式滑动导向钻井方式在定向井、水平井井眼轨迹控制中有其独特的优点。
The compounding slide steering drilling mode has its specific advantages in trajectory control of directional well and horizontal well.
本文研究用煤矿钻井法钻凿竖井时钢板-混凝土复合井壁内钢板的非线性失稳问题。
The non-linear stability problem occurred in the interior steel sheet of a steel-concrete composite bored shaft lining in coal mines is discussed.
从渗流角度讲，侧钻井是水平井渗流的一种近似，因此不能沿用裸眼井复合油藏试井模型。
From the point of view of seepage flow, sidetracked well is similar to horizontal well, thus, the open hole well composite reservoir test model can not be adopted.
从渗流流态讲，侧钻井是水平井渗流的一种近似，因此不能沿用裸眼井复合油藏试井模型。
From the point of view of seepage flow, sidetracked well is similar to horizontal well, thus, the open-hole well composite reservoir test model can not be adopted.
介绍了一种复合式PD C钻头，该钻头在多夹层地层钻井施工中取得了较好的试验效果。
This paper presents the PDC bits with the satisfactory testing result in the multi-interbedded formation.
主导产品金刚石复合片，广泛应用于石油钻井、地质勘探、煤田开采、机械加工等行业。
Its PDC is mainly used in the industries of oil drilling, geographical exploration, oil field exploitation and machinery processing etc.
主导产品金刚石复合片，广泛应用于石油钻井、地质勘探、煤田开采、机械加工等行业。
Its PDC is mainly used in the industries of oil drilling, geographical exploration, oil field exploitation and machinery processing etc.
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