USE OF HALOGENATED BENZOIC ACIDS FOR LABELLING INJECTION WATER

摘要

The invention relates to a process for inspecting a subterranean formation containing hydrocarbons, comprising: injecting at least one tracing compound into the subterranean formation; recovering a fluid from the subterranean formation; detecting said tracing compound in the fluid; in which the tracing compound is a compound of formula: (I) in which R1 and R2 represent two groups which are different from one another, chosen from F, Cl, Br and CF3.