CHEMICALS FOR USE IN THE DRILLING INDUSTRY, NAMELY, DRILLING FOAM, DRILLING FOAM STABILIZER, CORROSION INHIBITOR FOR DRILL PIPE PROTECTION, OXYGEN SCAVENGER FOR DRILL PIPE PROTECTION, SCALE INHIBITOR FOR DRILL PIPE PROTECTION, DRILLING MUD THINNER, DRILLING MUD CAKE BREAKER, EMULSIFIER FOR OIL-BASED DRILLING MUDS, DRILLING SURFACTANT/DETERGENT, ANTI-FOAMING AGENT AND DRILL PIPE FRICTION REDUCER