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“Estimulación de Pozos y Recuperación Mejorada Utilizando Enzimas”



In the stage of pre-treatment GreenZyme® is diluted and sent to a heater to have the temperature increased to between 80 to 90 degrees Celsius. A sufficient volume of the heated diluted enzymatic fluid is then pumped through an injection pipe through the downhole well bore and into the oil well formation so as to contact a desirable amount of residual oil particles. The stage of pre-treatment may last from 0-4 weeks stage depending on the type and size of the oil well formation before commencing the steam injection stage. During the stage of pre-treatment the diluted GreenZyme® fluid acts to release the oil from solid surfaces, increase the mobility of the oil by reducing surface tension, decreasing contact angles, preventing crude oil that has become less viscous by heating or other means, from re-adhering to itself as it cools and acts catalytically in contacting and releasing oil from solid surfaces. Blockages in the oil well formation may be reduced or eliminated as well.
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