Elf France

Societe Anonyme Elf France

Dominique Bouchez

Christian Bernasconi

Alain Faure

Gerard Antonini

Olivier Francois

Gilbert Casamata

Pascale Fournier

Composition comprising heavy hydrocarbons and water, having a viscosity much lower than that of the hydrocarbons it contains. It is constituted by a multiple emulsion, the internal phase of which comprises a primary emulsion of water in the hydrocarbons and the external phase comprises water containing at least one surfactant, in which this primary emulsion is dispersed, thus forming a secondary emulsion which is self-stable or is stabilized by the addition of stabilizing agents to its external phase.

Reduced viscosity heavy hydrocarbon composition in form of multiple

A self-lubricating fuel composition is provided formed from powdered coal, a hydrocarbon fraction, water, a surfactant and a strong electrolyte. This composition develops a lubricating layer between the mechanical parts in relative movement with respect to the fluid and the fluid. Such self lubrication causes a reduction of the friction and consequently of the pressure losses during transport in ducts.

Self-lubricating coal and hydrocarbon fraction based fuel composition

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Oullins, France

Dominique Bouchez