74307256
Aug 21, 1992
Jul 5, 1994
chemicals; namely, powdered reducing agent, liquid reducing agent, powdered reduction catalyst, liquid reduction catalyst, liquid acid corrosion inhibitor, liquid antisludging agent/non-emulsifier, liquid non-emulsifier, powdered co-catalyst, micellar antisludging agent/non-emulsifier, and liquid co-catalyst for use as iron control and iron tolerant additives for the acid stimulation of oil and gas wells
Chemicals