Horizontal Trajectories of Rotary-Drilled Holes

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Horizontal Trajectories of Rotary-Drilled Holes

Public Domain

01/01/1988

Details

Description:

This Bureau of Mines report investigates the horizontal trajectory of boreholes drilled in coalbeds using the rotary drilling technique.
Document Type:

Report
CIO:

NIOSH
Division:

NIOSH Mining
Location:

North America
NIOSHTIC Number:

nn:na
Collection(s):

National Institute for Occupational Safety and Health
Main Document Checksum:

urn:sha-512:fb56ac8cb102dbc52425da7808238912d72f15b2fd17216c8f0f9848befbce5971a6df775582fb0380b92a3168c3f4d3793e5d384a2f249694b6915f4ac3e846
Download URL:

https://stacks.cdc.gov/view/cdc/161637/cdc_161637_DS1.pdf
File Type:

[PDF - 554.38 KB ]

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