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US 12,188,350 B2Granted
Fluorescent dye oil tracer compositions
AssigneeSaudi Arabian Oil Company
InventorWei Wang
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Abstract
A composition includes a functionalized fluorescent dye. The functionalized fluorescent dye includes an isothiocyanate-containing compound functionalized with a functional group. The functional group includes a primary amine. The functionalized fluorescent dye can be mixed with a fluid to form a tracer fluid for tracing fluid flow in a subterranean formation.
Claims3
A composition comprising:
- a functionalized fluorescent dye, wherein the functionalized fluorescent dye comprises an isothiocyanate-containing compound functionalized with a functional group comprising a primary amine, wherein:
- the isothiocyanate-containing compound is ethyl isothiocyanate, and the functional group is 1-aminofluorene;
- or
- the isothiocyanate-containing compound is decyl isothiocyanate, and the functional group is 9-aminoacridine.
1 more element
Dependencies are inferred from the claim text.