Steady-state excitation shear wave well logging system and method

• Main Authors: LI YULIANG, CHEN XIAOFENG, SONG JINLI, SU TIEJUN, HU SHENGBO
• Format: Patent
• Language: Chinese; English
• Published: 19.10.2018
• Subjects: EARTH DRILLING; EARTH DRILLING, e.g. DEEP DRILLING; FIXED CONSTRUCTIONS; MINING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS

The invention provides a steady-state excitation shear wave well logging system and method. The system comprises an alternating current signal generator, a power amplifier, a half-wave rectification module, a wave speed tester, an in-pore exciter and an array-type detector group; the alternating current signal generator is electrically connected with the power amplifier, and the half-wave rectification module is electrically connected with the power amplifier; the alternating current signal generator, the power amplifier, the half-wave rectification module and the wave speed tester are arranged on the ground, and the in-pore exciter and the array-type detector group are connected according to a first preset interval through a sound insulation material; the array-type detector group comprises multiple detectors which are arranged according to a second preset interval and fixedly connected end to end through the sound insulation material, each detector is electrically connected with thewave speed tester, excita