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1)  High density water base drilling fluids
高密度水基钻井液
2)  Ultra-high density saltwater drilling fluids
超高密度盐水钻井液
3)  high-density drilling fluid
高密度钻井液
1.
Application and development of deep well high-density drilling fluids;
深井高密度钻井液的应用及发展趋势探讨
2.
On the basis of the existing solid control system,a process for recovering weighting materials out of the high-density drilling fluid is developed.
在现有固控系统的基础上,设计了一种高密度钻井液加重剂的回收工艺,采用双离心机分离回收系统。
4)  high density drilling fluids
高密度钻井液
5)  high density mud
高密度钻井液
1.
Quantitative evaluation of factors influencing filtrate loss of high density mud;
高密度钻井液滤失量影响因素定量评价
2.
Faults are also developed in this area, which leads to abnormally high formation pressures, necessitating high density muds to balance the formation pressure.
众所周知,高密度钻井液膨润土容量限很低,在严重造浆地层使用时,一旦控制不住膨润土含量,钻井液流变性将变得很差,甚至无法开泵,只能靠降粘稀释和大量排放钻井液维持,不仅增加材料成本,更重要的是无法实现钻井液的防塌性能。
6)  high density drilling fluid
高密度钻井液
1.
Application and research of a novel polymer in high density drilling fluid;
疏水缔合聚合物在高密度钻井液中的应用研究
2.
Application of high density drilling fluid in cooperation area between China and Burma;
高密度钻井液在缅甸合作区块中的应用
3.
Drilling fluid lubricant GXRH is a kind of polyester compound containing macromolecule aliphatic acid and fat-forming agent, and both its hydrophilic group and lipophilic group are long chain, which in creases the thickness of adsorption film on the surface of metal, rock and clay, and therefore makes the high density drilling fluid to process good lubricity.
使其在金属、岩石和粘土表面形成的吸附膜厚度增大,从而在高密度钻井液中能有较好的润滑性。
补充资料:钨基高密度合金
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性质:以钨为基体,添加镍、铁、铜或其他金属元素所组成的合金,也称钨基高密度合金。钨含量一般在90%以上,合金的相对密度≥17。主要有两类,一类为钨镍铜系,另一类为钨镍铁系。钨基重合金既保持了钨的高密度、高强度和良好导电导热特性,又降低了制取温度、简化了制取工艺,并改进了合金的塑性和加工性能,成为比纯钨更容易制取并具有更好机械性能的工程材料。它们主要用作航空航天的陀螺仪转子、配重、减震装置;常规武器的穿甲弹弹芯;防辐射的屏蔽装置和部件;机械制造用的压铸模、飞轮及自动手表摆锤等;电气设备的触头和电极等。

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