ONEOK, Inc. announced plans to invest approximately $2.3 billionbetween now and 2020 to construct: A new 400,000-barrel per day (bpd) natural gas liquids (NGL) pipeline – the Arbuckle II Pipeline – that will create additional NGL transportation capacity between ONEOK’s extensive Mid-Continent infrastructure in Oklahoma and the company’s existing NGL facilities in Mont Belvieu,…