UPDATE 1-Ecolab to buy Champion Technologies for $2.2 bln

(Updates with announcement)

Oct 12 (Reuters) - Cleaning services company Ecolab Inc

said it will buy privately held Champion Technologies Inc, a maker of oilfield specialty chemicals, for about $2.2 billion in a cash and stock deal.

Ecolab said Champion's technology and products were complementary to its services in the offshore and international energy markets.

Champion competes with companies such as Schlumberger NV , Halliburton Co and Baker Hughes Inc .

(Reporting by Sakthi Prasad; Editing by Daniel Magnowski and Ted Kerr)

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