Mekorot Water Company Ltd.

Ram Cohen

Eugene Rosenberg

Eliora Ron

Provided is a method of bioremediation of organic contaminated water within an annulus of an oil lubricated shaft, the method includes: (a) introducing into the annulus of said oil lubricated shaft an amount of a bioremediation combination including (i) a microbial cocktail capable of biodegrading the organic contaminants and (ii) nitrogen source, such that said bioremediation combination is brought into contact with water suspected of being contaminated in said annulus; and (b) supply into said annulus oxygen source for a time sufficient for biodegradation of at least a portion of said organic contaminants in the water within the annulus.

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Ashkelon, Israel

Ram Cohen