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Methane Drainage Experience With Horizontal Boreholes in a Western Coalbed.

Authors
Finfinger-GL; Perry-JH; King-RL
Source
Proc Australas Inst Min and Metall Symp Wollongong NSW Australia 1982 May; :14 pages
Link
NIOSHTIC No.
10003199
Abstract
The Bureau of Mines in cooperation with Kaiser Steel Corp. conducted two methane drainage studies in an advancing section of the sunnyside No. 1 Mine where production was being severely hampered by methane emissions. Six horizontal boreholes were completed during the studies to an average length of 291 m. Total gas production from the boreholes as of December 1981 has exceeded 6,088,800 m3. Methane emissions into the section were reduced by 40 pct as a result of the first drainage system. The second drainage system is currently producing 11,328 m3/d from four boreholes. Mining of the section is expected to begin within 2 years.
Publication Date
19820501
Document Type
OP;
Fiscal Year
1982
NTIS Accession No.
NTIS Price
Identifying No.
OP 79-83
NIOSH Division
PRC;
Source Name
Proc. Australas. Inst. Min. and Metall. Symp., Wollongong, NSW, Australia, May 1982, PP.102-115
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