Method for the optimalization of the supply of chemicals

Details Method for the optimalization of the supply of chemicals Method for the optimalization of the supply of chemicals

G - Physics

01

N

G01N 33/28 (2006.01) B01D 17/04 (2006.01) C10G 33/04 (2006.01)

Patent

CA 2597276

A method for optimising the use of chemicals, in particular the use of antifoaming agents and emulsion breakers, for gas/oil/water fluid in oil processing plants on the seabed, onshore or offshore. The chemicals are dosed on the basis of the effect they have on the thickness of the foam layer and the emulsion layer, respectively, of the fluid. The fluid may expediently be supplied to and separated in a separator (1); the measurement of the emulsion and foam layers is performed by a measuring device (3), which emits signals to a control device (4), which controls the operation of pumps (5, 6), which, in turn, pump, at all times, the measured quantity of chemical to the fluid to be separated.

Procédé d'optimisation de l'emploi de produits chimiques, en particulier d'agents antimousse et d'agents désémulsionnants dans un fluide gaz/huile/eau dans des installations de traitement du pétrole sur le fonds marin, à terre ou au large. Le dosage des produits chimiques est fonction de leur effet sur l'épaisseur de la couche de mousse et de la couche d'émulsion du fluide, respectivement. Le fluide peut être opportunément introduit et séparé dans un séparateur (1). La mesure des couches d'émulsion et de mousse se fait au moyen d'un dispositif de mesure (3) qui émet des signaux vers un dispositif de commande (4) pilotant le fonctionnement de pompes (5, 6) qui débitent elles-mêmes en permanence la quantité mesurée de produits chimiques dans le fluide à séparer.

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