, and to produce the
synthetic gas (“Syngas15 December 2015 - 9:34AM”) to the surface for further processing,
transport, or manufacture.
The
wells that extract the gas are called Production Wells, and Injection Wells
supply the oxygen.

Leigh Creek Energy and APA Group sign Heads of Agreement
527KB
Once the Production Well is drilled vertically into the coal seam, it is
cased in steel and concrete to ensure there is no gas leakage.
This well is connected to the gas clean up plant above the ground.
The Injection Well, located up to 1 kilometre away, is drilled
horizontally in the coal seam to precisely intersect the Production Well.
14 December 2015 - 11:12AM
The Injection Well is connected to surface facilities with the oxygen,
air and nitrogen supply equipment.
ISG Process