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1·Gas drilling fluid is often used in UBD in low pressure formation.

在低压储层进行欠平衡钻井时常选用气体型低密度流体。

2·The capability of a drilling fluid shale shaker depends on its basic parameters selecting.

钻井振动筛能否实现良好的性能，取决于基本参数的选择。

3·To pump the drilling fluid until a sample from the bottom of the hole reaches the surface.

泵送流体直到岩样从井底到达地表为止。

4·A new type of drilling fluid rheometer is developed on the basis of fann-35a rheometer used in the oil-fields.

本仪器是在钻井现场使用的fann氏流变仪的基础上设计的一种新型通用流变仪。

5·During cementing operations, the major issue to be addressed is the displacement of drilling fluid by cement slurry.

固井作业中，首要解决的是注水泥顶替泥浆的问题。

6·It introduces the compositions and maintaining measures of the drilling fluid system, and evaluates the properties in this paper.

文中介绍了该体系的配方及维护处理措施，并对其性能进行了评价。

7·Forecasting and predicting for engineering accidents is one of the main tasks that are required to be solved for drilling fluid logging.

工程事故预测、预报是录井技术解决现场问题的主要任务之一。

8·The filtrate loss controller for drilling fluid is prepared by one step method using alkaline paper making black liquor as main raw material.

以碱法造纸黑液为主要原料，经过一步合成工艺制备钻井泥浆降滤失剂。

9·Analysis of mineral composition, physical and chemical properties on instable formation rock in an important work in the study of drilling fluid.

地层矿物组分、理化性能分析是整个泥浆工作中一项极为重要的基础工作。

10·As the main material of changing drilling fluid to cement slurry, blast furnace water quenched slag has attracted much attention and got initial success.

高炉水淬矿渣作为泥浆转化为水泥浆技术中的主体材料，已引起广泛重视并获得初步成功。