2.3 APCR检测:采用APTT±APC方法(Dahlback), APC浓度为200mg/L,试剂由美国Neomi博士惠赠,结果以APC敏感比值(APC-SR)表示。APC-SR=(APTT+APC)/(APTT-APC),调整APC-SR为2.01±0.04,规定APS-SR<2.0为APCR阳性。
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C-R的筛选性方法为APC-APTT测定,是以APTT为基础而建立的,它包括两个试验: APC敏感比值(APC sensitivity ratio, APC-SR)测定。
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APC敏感比值 APC sensitivity ratio ; APC-SR
在此基础上,利用弹性主轴原理,推导了内外框弹性主轴偏转产生正交信号与敏感信号的比值表达式。
On the basis, the ratio of quadrature error and sense signal are induced when the the principal axes of elasticity of outer-frame and inner-frame rotates a little Angle separately.
结果表明,波速度、介质密度对孔隙度的变化较为敏感,速度比值对饱和度的变化较为敏感。
The analysis result shows that velocity and density can sensitively reflect the change of porosity, and the velocity ratio can sensitively reflect the change of saturation.
首先提取了对缝洞型储层反映敏感的测井比值参数,介绍了用于储层识别的综合特征参数的原理;
Parameters sensitive to facture and vug reservoirs are chosen. Principles of integrated characteristic parameters in reservoir identification are introduced.
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