Investigation of Similarities Between Methane Drainage Potential of ...
Bureau of Mines Report of Investigations/l986
Investigation of Similarities Between Methane Drainage Potential of Utah's Sunnyside Coalbed and Eastern U.S. Coalbeds
By Gregory M. Molinda, Thomas M . Kohler, and Gerald L. Finfinger
UNITED STATES DEPARTMENT OF THE INTERIOR
Report of Investigations 9007
Investigation of Similarities Between Methane Drainage Potential of Utah's Sunnyside Coalbed and Eastern U.S. Coalbeds
By Gregory M. Molinda, Thomas M. Kohler, and Gerald L. Finfinger
UNITED STATES DEPARTMENT OF THE INTERIOR Donald Paul Hodel, Secretary BUREAU OF MINES Robert C. Horton, Director
Library of Congress Cataloging in Publication Data :
Molinda, G. M. (Gregory M,)
Investigation of similarities between methane drainage potential o f U t a h ' s Sunnyside Coalbed a n d Eastern U.S. c o a l b e d s .
(Keport of i n v e s t i g a t i o n s ; 9007) Bibliography: p. 9-10. Supt. of Docs. no.: I 28.23: 9007. 1. Coalbed methane drainage-Utah-Carbon County. 2. Coalbed
methane drainage-Utah-Emery County. 3. C o a l b e d methane drainagcUnited States. 4. Mine ventilation. 5. Coal mines a n d mining-Safety
measures. I. Kohler, T h o m a s M. 11. Finfinger, Gerald L. 111. Title. IV. Series: Report of investigations (United States. Bureau of Mines) ; 9007.
TN23.U43 [TN305] 622s [622',42] 85-600275
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CONTENTS Page
APRADPPSSIcrebrurhtnkGPOofsGiumeytnaevjetadmlvsrosrerrseyaloiiwmcearridoclefctncaayunuaeaoictlrlcgsldabnoeoelt.ngppitsnswai.drmrrlestso...eeooinun...fcfdnpcttd....oouteeryi.....ncrsrdo..e...acttum...s...npliir......doiauoee......ttnsns......gaedi......enoonioS......fofdtvnu......liisn......moradSn.......egeluuy.......tysans.......houlni........falyd........hntse........eofsi........Mlud.........ieete.........nmsu.........eiCr..........ssoe..........sa...........gil...........aob...........sne...........sd...........d.............r.............a.............i.............n.............a.............g..............e.........................a.............t..........................S.............u.............n.............n.............y.............s.............i.............d.............e.........................................................................................................................................................................................................................................................................
ILLUSTRATIONS
. .......................... 1 Location of Book Cliffs and other Utah coalfields . . 2 Map view of previous methane drainage holes at Sunnyside Mine No 1. Man-
........................................................ shaft Dips section .3 Outline of Sunnyside Mines showing locations of past and present study
..................................................................... areas . ........ 4 Map view of Manshaft Dips section showing horizontal hole locations . .............. 5 Gas production from horizontal holes at Manshaft Dips section .. . ................... 6 Methane emissions during key events at Manshaft Dips section
7 Fence diagram of Sunnyside Coalbed in the Sunnyside No 1 and No 3 Mines
3
3
3 , 4 6 6
8
TABLES
. .......................... 1 Gas production data for the four horizontal holes . ........... 2 Comparison of constituents of coalhed gas from selected coalbeds . ................ 3 Comparison of drainage characteristics of selected coalbeds
5 7 9
UNIT OF MEASURE ABBREVIATIONS USED I N THIS REPORT
British thermal unit per cubic foot
centimeter
cubic centimeter p e r gram
foot
hour inch
inch per minute
pound ( f o r c e ) per square inch
cubic foot
cubic foot per day
cubic foot per day per foot
pound ( f o r c e ) per square inch, gauge
m
meter
min
minute
cubic foot per minute
PCt
percent
cubic foot per short ton
................
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