critical shale smear factor for oil and gas
pre-heating for oil and water
plug removal in oil and water well
Wells and well water and waste water
Advantage migration way for oil and gas accumulati
CNPC Key Laboratory for Oil and Gas Reservoirs
Collection condition for oil and gas
Conditions for oil and gas accumulation
diverting river water for water source supplement
dual-purpose for oil and forage
ecological forest for water and soil conservation
Exploration for Oil and Gas
forests for water and soil conservation
Geochemical exploration for oil and gas
GEOCHEMICAL PROSPECTING FOR OIL AND GAS
Geological conditions for oil and gas accumulation
Geological conditions for oil and gas accumulations
Joint-Stock Compang Ukrainian Institute for Oil and Gas