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Mining Publication: Cableless Electronic Surveying Systems for Horizontal Holes
Keywords: Boreholes Drilling Methane monitors
This page is archived for historical purposes and is no longer being maintained or updated. Contact NIOSH Mining if you need an accessible version.
Original creation date: September 1981
Authors: D McLaughlin, J Millhiser, M Bonarek
Contract/MOA Report - September 1981
Download PDF Document (6.31 MB)
NIOSHTIC2 Number: 10002299
ENSCO, Inc. U.S. Department of the Interior, Bureau of Mines, Contract No. H0177069. NTIS No. PB/82-164526, 1981; :1-235
This report contains a description of the contract activities performed by ENSCO, Inc. under contract No. HO178069. The purpose of this project was to enhance the Bureau of Mine's Cableless Electronic Survey System use to aid in the drilling of long boreholes in coal as part of the methane drainage program. The system that was ultimately developed was field tested and demonstrated in actual in-mine drilling activities. The significance of the system, compared with previous drill survey systems, is that it surveys without having to be inserted and removed for each survey point. The system is so designed that it can withstand the shock and vibration experienced by the drill string during drilling. Thus increased productivity is possible and drill operators can determine drill bit positioning in a near real-time environment.
Image of publication Cableless Electronic Surveying Systems for Horizontal HolesContract/MOA Report - September 1981
Download PDF Document (6.31 MB)
NIOSHTIC2 Number: 10002299
ENSCO, Inc. U.S. Department of the Interior, Bureau of Mines, Contract No. H0177069. NTIS No. PB/82-164526, 1981; :1-235
See Also
Accurate Directional Borehole Drilling: A Case Study at Navajo Dam, New Mexico
Degasification and Production of Natural Gas From an Air Shaft in the Pittsburgh Coalbed
Demonstration of Remote Mine Seal Construction
Ignition of Methane-Air Mixtures by Laser Heated Small Particles
In-Mine Test of the Bureau of Mines Preproduction Wireless Survey System
Noise Exposure and Overhead Power Line (OPL) Safety Hazards at Surface Drilling Sites
Probability of Encountering Coalbed Discontinuities During Vertical and Horizontal Borehole Drilling
Rapid Response Rescue Drilling System Development for Mine Rescue Application
Remote Methane Sensors
Rotary Drilling Holes in Coalbeds for Degasification
Page last reviewed: September 21, 2012
Page last updated: September 21, 2012
Content source: National Institute for Occupational Safety and Health, Mining Program
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