Areas of Application
The prediction is used to identify
the dangerous areas in coal beds
and exhausted mines and the zones suitable
for coal bed methane degassing
Specifi cation
Building of prognostic maps
of local maximum gas-pay zones bearing
unsaturated, saturated, and heavy hydrocarbon
gases. The following parameters of coal mining
horizon are defi ned and predicted:
a) The operating mine:
Safe for mining after previous degassing
(methane content is over 25% with
the presence of saturated hydrocarbons);
Dangerous for degassing (heavy
hydrocarbons, no saturated hydrocarbons)
b) The depleted mine:
Safe for degassing (methane content
is over 15% with the presence
of saturated hydrocarbons);
Dangerous for degassing (heavy
hydrocarbons, no saturated hydrocarbons)
Advantages
As compared with similar techniques,
this prediction is made while sinking,
developing, and partly abandoning coal
mines. In the case of unexpected gas dynamic
situations, it enables the localization
of dangerous areas and their further
monitoring until the gas condition
of coal rock massif becomes safe
Stage of Development.
Suggestions for Commercialization
IRL7, TRL6
The works are performed at coal producing
enterprises, upon request
IPR Protection
IPR3
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