Institut Francais Du Pe'trole

Alexander Werner

Emmanuel Behar

Process and device intended for ultrafiltration of particles contained in fluids. The fluids are passed through at least one filtering barrier made from a source rock with micropores below a few hundred Angstroms in diameter. These rock samples are available in good supply for example when drilling through reservoirs containing hydrocarbons. The filtering device comprises a housing (1) containing at least one thin disk (5) cut in a source rock, through which fluid is passed. This disk withstands high pressures and temperatures well, and it can be regenerated after use by means of a thermal process. The process and device can be applied for filtering of colloidal particles such as resins or asphaltenes in petroleum fluids for example.

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Paris, France

Alexander Werner