利用偶极横波测井计算地应力方向的公式法。
And the terrestrial stress direction also can be calculated by dipole wave data.
在慢速地层中偶极横波测井不能很好地压制纵波,致使横波首波的检测存在一定的难度。
Since P-Wave can not be suppressed in dipole shear wave log in slow formation, there are some difficulties in picking the first S-Wave arrival.
实际资料处理结果表明,该方法可以跳过慢速地层中偶极横波测井的纵波而检测横波初至。
The results show that the method can skip over the P-Wave and exactly pick the first S-Wave arrival in dipole shear wave log in slow formation.
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