77809131
Aug 20, 2009
Mar 9, 2010
treatment chemicals used in oil and gas drilling applications, namely, asphaltene inhibitors, combination scale and corrosion inhibitors, corrosion inhibitors, emulsion breakers, hydrogen sulfide scavengers, paraffin inhibitors, pour point depressants, scale inhibitors, specialty pipe corrosion, scale, and pigging compounds, sulfate reducing bacteria control products, and down hole and surface surfactants
Chemicals