a pumped storage reservoir
a reservoir pumping station
Aberdeen Lower Reservoir
Aberdeen Upper Reservoir
ABNORMAL HIGH-PRESSURE GAS RESERVOIR
Abnormal high-pressure reservoir
Abnormally Pressured Gas Reservoir
abnormally pressurized reservoir
abnormal-pressure gas reservoir with aquifer
absorbability of reservoir bottoms
accurate reservoir description
acidic wastewater reservoir
Acidizing of Reservoir Strata