Measures to improve perrne- ability reduction are discussed in terms of the drilling method, fluid properties, artificial infiltration layer, and well flushing, etc.
论述了水井井周渗透性降低的原因，从钻井方法、冲洗液性能、建立人工过滤层、洗井等方面探讨了改善渗透性的措施。
It takes into account drilling equipment, fluid properties, wellbore geometry and other parameters, providing valuable information for decision makers.
该软件能够考虑到钻井设备、流体性质、井筒几何尺寸以及其他参数，旨在为决策者提供有价值的信息。
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。
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。
Drillstem testing (DST) technique provides a means of evaluating reservoir and fluid properties during drilling of a well. It can also be used in a cased well.
钻杆测试(DST)提供了一个在完井之前评价油藏和流体性质的方法。
Drillstem testing (DST) technique provides a means of evaluating reservoir and fluid properties during drilling of a well. It can also be used in a cased well.
钻杆测试(DST)提供了一个在完井之前评价油藏和流体性质的方法。
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