annulus fluid level 环空液面
core-annulus fluid 环核流动
annulus fluid types 环空液体类型
annulus protection fluid 环空保护液
Oil base annulus protection fluid is not corrosive, however, its high cost and environment pollution restricts its universal use.
油基环空保护液是非腐蚀性的，但单位成本高、环境污染严重，不能广泛应用。
The source and detector, however, are arranged to be sensitive to the density of material in the annulus and can distinguish between fluid and cement behind the casing.
与密度测井不同的是，其伽马射线源和探测器的布置方式能使它们对井内环形空隙中物质的密度很敏感，可以将套管外面的流体和水泥区分开来。
Using the differential motion equation in fluid mechanics, this paper developed the flow models of the laminar flow of Bingham's fluid in an inclined eccentric annulus.
本文应用流体力学中的运动微分方程，建立了宾汉流体在倾斜偏心环空中的层流流动模型。
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