Economics and GHG Emissions

TEN YEAR COMPARISON OF TOTAL COSTS
(one pump injecting 20 gpd, excluding chemical)
 
 TYPICAL WELLSITE

 PNEUMATIC PUMP

 SOUR GAS

 PNEUMATIC PUMP

 SWEET GAS

 POWER POD

 SWEET OR SOUR

 ENERGY USE

 16,300 gal/yr

 propane

 (pressure energy in pneumatic pump)

 800,000 scf/yr *

 natural gas (methane)

 (pressure energy in pneumatic pump)

 15 l/yr

 methanol and sunlight

 (reacted in fuel cell and solar panel)

 GREENHOUSE IMPACT  136 tonnes/yr CO2e  342 tonnes/yr CO2e **  0.02 tonnes/yr CO2e

 COST OF INJECTING

 NPV of capital and operating

 $216,200

 (includes $9,200 CO2e)

 $62,800

 (includes $23,400 CO2e)

 $12,000

 (includes $1 CO2e)

 
* 800,000 scf/yr of natural gas would heat 6 Canadian homes for 1 year.
** 342 tonnes/yr of CO2 is about the same as emitted by heating 22 Canadian homes with natural gas for 1 year. This same CO2 gas volume would fill up 170 typical hot air balloons per year.