Method and system for measuring displacement of buried fluid tra

Details Method and system for measuring displacement of buried fluid tra Method and system for measuring displacement of buried fluid tra

1986-02-19

1988-02-23

Eisenzopf, Reinhard J.

Electricity: measuring and testing

Of geophysical surface or subsurface in situ

By magnetic means

324226, G01V 308

Patent

active

047273291

ABSTRACT:
The vertical and lateral displacement of sections of fluid transmission pipelines due to earth subsidence or heaving is determined using vertical and horizontal arrays of magnetometer sensors located spaced apart on a boom or support member for providing multiple readings of the earth's magnetic field intensity and the anomaly caused by the presence of the pipeline. True position of the sensors may be measured using stadia techniques or electromagnetic radiation signals transmitted from a reference point. The sensor array may be mounted on a landbased vehicle or suspended from a rotary wing aircraft to provide access to remote regions which may not be accessible to conventional equipment and techniques.

REFERENCES:
patent: 3875497 (1975-04-01), Madsen

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