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Gilsonite solubility
Gilsonite, being a hydrocarbon, is somewhat soluble in hydrocarbon solvents. It is more soluble in kerosene and naphtha than it is in crude oil. The effect of crude oil on set cement containing gilsonite is negligible beyond the dissolution of exposed gilsonite particles.Gilsonite has a melting point of 385°f. Some softening occurs above 24(‘f and particles may tend to fuse together. Because of the temperature reduction during circulation, gilsonite can be used in wells having a static bottom-hole temperature of 300°f and slightly higher.
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