The viscosity of base oils for oil muds, which are Newtonian fluids, is measured using a glass capillary tube in a thermostatic bath, when performed according to API procedures.
油基泥浆中原油是牛顿流体，它的粘度在恒温槽中用毛细玻璃管依照API规定步骤测出。
3
Study on interfacial tension, composition, density, viscosity and saturation of gas pha - se and liquid phase front in the slim tube under various injection pressures and injection rate.