Full Title Dow Chemical at OTC: New technology is helping oil companies recycle all of that fracking waste water HOUSTON — Facing environmental pressures and escalating costs, more oil companies are recycling and reusing the vast amounts of water used during hydraulic fracturing operations rather than hauling the liquid off to get injected underground. New technological advances have allowed oil companies to more easily convert drilling waste water to get reused in the oil patch, said Larry Ryan, president of Dow Chemical’s energy and water solutions business in an interview with Fuel Fix at the company’s booth at the Offshore...