Delayed in situ crosslinking of acrylamide polymers for oil reco
Delayed polyacrylamide gelation process for oil recovery applica
Desalination method
Device for introducing separated fluids through independent flow
Dialkylate additives for surfactant sytems
Disposal of produced formation fines during oil recovery
Double tapered surfactant waterflood oil recovery process
Downhole burner systems and methods for heating subsurface...
Downhole steam injection splitter
Drive for heavy oil recovery
Dual gradient steam foam oil displacement process