|
| Air Tunnel | 2 | Air Tunnel |
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|
|
|
|
|
|
| |
|
|
| L |
|
|
|
| 1 | L | Air Tunnel |
| 3 | L |
4 | L |
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|
| 5 | |
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| L | ||
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|
|
| ø8.0 Holes |
6 | S | 7 | 8 | 9 |
| 10 |
| S | S | S |
| S | |
Fig. 3. Coal Layer 1 Natural Gas
11 |
| 12 L |
| 13 L |
| 14 | L |
L |
|
|
|
| |||
1st Layer below shown dotted | L | 16 | L |
| 17 | L |
|
15 |
|
| |||||
18 L |
| 19 L | 20 | L |
| 21 | L |
Fig. 4. Coal Layer 2 Natural Gas
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|
| Air Tunnel | 2 | Air Tunnel |
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|
|
|
|
|
|
| |
|
|
| L |
|
|
|
| 1 | L | Air Tunnel |
| 3 | L |
4 | L |
|
|
| 5 | |
|
|
|
| L | ||
|
|
|
|
|
| ø8.0 Holes |
6 | S | 7 | 8 | 9 |
| 10 |
| S | S | S |
| S | |
11 |
| 12 L |
| 13 L |
| 14 | L |
L |
|
|
|
| |||
1st Layer below shown dotted | L | 16 | L |
| 17 | L |
|
15 |
|
| |||||
18 L |
| 19 L | 20 | L |
| 21 | L |
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