borehole geometry

基本解釋

The former is caused by relative motion between fluid phase and solid phase while the latter is caused by geometry characteristic of the borehole.
討論了二者的傳播衰減機制的區(qū)別，前者的耗散由黏性流體與固相間相對運動造成，后者的耗散則是由于井孔幾何特征而形成的能量徑向泄漏。
By describing the curved borehole and using differential geometry theory, the geometric deformation relations of coiled tubing in the curved borehole were established.
通過對彎曲井眼的幾何描述，利用微分幾何理論，建立了連續(xù)管在彎曲井眼中的變形幾何關系；
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The paper quantitatively stated and researched the coal borehole fissure structure with the sharp geometry theory. The paper derived the expression of the coal borehole fissure sharp dimension.
利用分形幾何學理論對煤孔隙結(jié)構(gòu)進行了定量的描述和研究，推導了煤孔隙分形維數(shù)的表達式；