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Detection of Lost Oil Well Casings and Unknown Water Filled Voids in Coal Mines Through Development of a Microwave Antenna System.

Authors
Belsher-DR
Source
For Reference Only At Bureau Libraries :94 pages
Link
NIOSHTIC No.
10009465
Abstract
The initial evaluation of two potential systems for the location of well casings, voids, and tunnels in coal are described. The pulse measurement equipment used for the evaluation of the antennas selected for possible use with a pulse time domain system and an fm- cw system is described. A horn antenna design potentially suitable for use with these systems is given.
Publication Date
19780101
Document Type
CP; Final Contract Report;
Fiscal Year
1978
Identifying No.
OFR 6-79
NIOSH Division
DRC;
Source Name
For Reference Only At Bureau Libraries
Performing Organization
National Bureau of Standards
Page last reviewed: April 12, 2019
Content source: National Institute for Occupational Safety and Health Education and Information Division