en gas injection (n)
― IsA ⟶
Weight: 1.0
en enhanced oil recovery (n) Source: OpenCyc 2012
en co2 flooding (n)
― IsA ⟶
Weight: 1.0
en gas injection (n) Source: OpenCyc 2012
en nitrogen injection (n)
― IsA ⟶
Weight: 1.0
en gas injection (n) Source: OpenCyc 2012