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本文主要介绍一种具有低喷嘴粘度(或称水眼粘度)的钻井液配方,利用这种钻井液,可使喷嘴压降增加,在不提高泵压的情况下达到高泵压效果。通过现场应用证明,此项技术是有效和可行的。
In this paper, a drilling fluid formulation with low nozzle viscosity (or water-eye viscosity) is introduced. With this drilling fluid, the nozzle pressure drop can be increased and high pumping pressure can be achieved without increasing the pump pressure. The field application shows that this technique is effective and feasible.