coal mine methane and coalbed methane development in the ...

Coal Mine Methane And Coalbed Methane
Development In The Donetsk Region, Ukraine
1.6.2.4 Mine Degassing
The Bazhanov mine is considered a dangerous mine due to rock bursts and gas explosions.
Ventilation and underground degasification is applied by drilling of the m3 seam, and since
1986, of the 1n H seam. Since 1963, approximately 23,000 m 3 /day of pure methane has been
vented from seam m3. Thus, methane vented to the atmosphere during mining of seam m3
totals 224 million m 3 .
Detailed coal production and methane emissions data for the years 2004 and 2005 was
provided by the mine technical staff (Exhibit 1.23).
10 0
90
80
70
60
50
40
30
20
10
0
Jan-04 Mar-04 May-04 Jul-04 Sep-04 Nov-04 Jan-05 Mar-05 May-05 Jul-05 Sep-05 Nov-05
Av. Coal Prod. (tons/day) Methane Emission Rate, m3/min
Average Methane Content, m3/ton Normalized Av. Methane Content, m3/ton
Exhibit 1.23 Coal Production and Methane Emissions - Bazhanov mine (2004-2005)
Personal communication from the Director of the Bazhanov Mine Management Company
states that in 2007, 9.9 million cubic meters of methane was extracted from the mine, with
5.5 million cubic meters from that total used to fire the mine’s boiler.
Geologic Assessment and CMM/CBM Resource Base Analysis 1-34
4000
3500
3000
2500
2000
150 0
10 0 0
500
0
Average Daily Coal Production (tons/day)