酸蚀蚓孔扩展机理研究和考虑酸蚀蚓孔滤失的酸压计算模型研究则显得尤为重要。
Therefore, the acid wormhole propagation mechanism study and the novel calculation model for the acid leak-off in the acid fracturing is more important.
将酸蚀蚓孔简化为单圆管模型，酸液流动反应物质平衡方程反应传质和扩散作用。
Acid flow and reaction in a wormhole was studied by modeling the wormhole as a cylinder and numerically solving the mass balance equation that describes acid transport by convection and diffusion.
单岩心驱替实验表明：基质渗透率很低的碳酸岩岩心，很难形成深穿透酸蚀蚓孔。
Through single rock test shows that: for carbonate rock with very low permeability, it is hardly can form deep penetrated wormhole.
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