water-base drilling fluid

The densities, contents of solids, viscosities, rheological and filtrating properties of the various kinds of drilling fluid are discussed. The main technical function and mechanism of the drilling fluid in prevention of percolating and flowing out of water are also studied.

对泥浆的密度与团相含量、粘度与流变特性、滤水特性及防涌防漏的主要技术性能和作用机理进行了探讨；

Mud in the drilling process, the drilling mud or water transport machinery such as washing fluid.

泥浆泵是在钻探过程中, 向钻孔输送泥浆或水等冲洗液的机械.

Drilling process, the drilling mud or water in transmission fluid, such as mechanical.

钻探过程中 ﹐ 向钻孔里输送泥浆或水等冲洗液的机械.

During the course of exploitation in oil reservoir and gas reservoir condensation water, formation water, especially drilling mud, acidizing liquid and fracturing fluid can result in water blocking.

在油、气藏的开发过程中，由于凝析水、地层水特别是钻井液、酸化液和压裂液将导致储层水锁，从而严重影响低渗透储层的渗透率。

According to the inhibiting mechanism of MEG, the drilling fluid formula taking MEG as the key additive is designed for the well Zheng-X 41 that has strong water sensitivity. As indicates by application, the MEG drilling fluid system has good effects of inhibition and collapse control.

根据甲基葡萄糖甙的抑制机理，为强水敏的郑斜41井设计了以甲基葡萄糖甙为主处理剂的钻井液配方，应用效果证明，甲基葡萄糖甙钻井液体系具有优良的抑制和防塌作用。

New Water-base Drilling Fluid Technologies at Home and Abroad

国内外水基钻井液新技术

Research and Field Application of Environment-friendly Natural Macromolecule Water-base Drilling Fluid

环保型天然高分子水基钻井液的研究与现场应用