阻抗面陡倾条件下声波测井数据异常的分析与修正

以红水河特大桥一发双收声波测井为原型，对阻抗面陡倾条件下声波测井数据异常的原因进行分类分析，阐明多层非均匀倾斜介质中声波测井出现首波初至误判、信号缺失的基本逻辑和原因。针对陡倾多层介质及Ⅴ型声阻抗界面切割情况下声波测井信号缺失的问题，采用几何声学方法对典型的概化模型进行半定量分析，提出数据取值原则和修正方法。

Analysis and Correction of Anomalies in Acoustic Logging Data of Steeply Inclined Impedance Surface

Taking he acoustic logging with one transmitter and double receivers of Hongshui River Grand Bridge as the prototype, the causes of abnormal acoustic logging data of steeply inclined impedance surface are classified and analyzed. It clarifies the basic logic and reasons for the misjudgment of the arrival of the head wave and the signal loss in acoustic logging in multi-layer non-uniform inclined media. Regarding the loss of acoustic logging signal in the case of steeply inclined multi-layer media and V-shaped acoustic impedance interface cutting, the geometric acoustic method is used to semi-quantitatively analyze the typical generalizability model, and the data selection principle and correction method are proposed,