PROJECT MANUFACTURED IN VENEZUELA and PANAMA ; SURFACTANT INDUSTRY OR SLUDGE OIL DRILLING,, maintenance and sale of drilling wicks,, A SURFACTANT IS A SUBSTANCE WHOSE MOLECULE HAS A POLAR AND NONPOLAR PART . FOR THIS REASON IS GENERALLY LOCATED IN AN OIL-WATER INTERFACE , AND ARE IN COMMON USE IN PRACTICALLY ALL BRANCHES OF THE PETROLEUM INDUSTRY THE OIL CONTAINING SURFACTANT SUBSTANCES , CALLED " NATURAL SURFACTANTS " IN HEAVY CUTS (RESINS, MALTENES , ASPHALTENES ), THESE STABILIZE WATER IN OIL EMULSIONS ( W / O) AND ITS EFFECT IS COUNTERACTED BY OTHER SURFACTANTS IN THE CALL DEHYDRATION. IN ALL OPERATIONS WHERE THERE ARE TWO OR MORE PHASES PRESENT , WAS FOUND THE PRESENCE OF A SURFACTANT WITH THE PARTICULAR PURPOSE OF STABILIZING OR DESTABILIZE A DISPERSION , AN EMULSION OR FOAM , OR TO MODIFY INTERFACIAL TENSION OR WETTABILITY .