Abstract
Numerical simulation of electrical logging is important to the electrical logging instrument design and logging data interpretation and application. In this paper, we combine the hp finite element method (hp-FEM) analysis software HERMES and VC++ development platform as a tool to direct reflect the instrument drilling detection and distribution of induced electric field in the formation and it's boundary, and the instrument parameter response by changing spacing, transmitting frequency and excitation current intensity have been studied based on self-adaptive hp-FEM algorithm. Because the performance of resistivity LWD instrument have decided by design parameters, thus study the electromagnetic response characteristics of resistivity LWD instrument has important significance to guide the high precision resistivity LWD instrument develop and improve the security of logging operation.
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