Key Takeaways COP signed a 20-year LNG supply deal with NextDecade from Rio Grande LNG Train 5.The agreement is contingent on a final investment decision for Rio Grande LNG Train 5 later this year.NEXT has now sold 4.5 mtpa from Train 5, concluding its commercialization and supporting project FID.ConocoPhillips (COP) , a U.S.-based exploration and production firm, has inked a sales and purchase agreement with NextDecade Corporation (NEXT) to buy 1 million tons per annum (mtpa) of liquefied natural gas (LNG) ...