IN-GROUND PIPELINE MONITORING WITH A FURTHER GROUND ACOUSTIC PARAMATER
摘要
A method for monitoring sound in an in-ground pipeline (12) or detecting contact with an in-ground pipeline (12) via at least first and second in-ground acoustic sensors wherein the first in-ground acoustic sensor (20) is in contact with the in-ground pipeline and the second in-ground acoustic sensor (22) is spaced from both the first in-ground acoustic sensor and the in-ground pipeline.
申请公布号
WO02070947(A1)
申请公布日期
2002.09.12
申请号
WO2002US06287
申请日期
2002.03.04
申请人
GAS RESEARCH INSTITUTE
发明人
KECHTER, GEORGE, E.;NARENDRAN, VANGAL, K.;FRANCINI, ROBERT, B.;LEIS, BRIAN, N.