ESTADRIL

Chemicals for use in industry, namely, chemicals and chemical substances all for use in the petroleum industry; chemicals and chemical substances, preparations and compositions all for use in oil, gas and water drilling and exploration operations; chemicals and chemical substances, preparation and compositions all for use in oil, gas and water drilling completion and workover; chemicals and chemical substances, preparations and compositions for use in oil, gas and water drilling and cementing procedures, stimulation, namely, acidizing and fracturing; chemicals and chemical substances, preparations and compositions for use in oil and gas production, transportation and refining