本文通过声波测井模型井实验，讨论了模型井外径对声波波形的影响。
Through the model well test of acoustic log, the paper discussed the affect of outer radius of model well on acoustic waveform.
记录好所有（入井工具）内外径。
对水平井段偏心环空中幂律流体和宾汉流体轴向流层流流场作了理论分析。 把偏心环空视作变外径的同心环空。
The theoretical analysis of flow properties of power-law fluids and Bingham fluids in the eccentric annuli of horizontal section of wells is made.
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