U.S. Efficiency and NGLs: Though the U.S. carries on for being the top oil producer, a growing share of that output is in the form of normal fuel liquids, which aren't ideal for all purposes and require diverse refining infrastructure. This evolution has implications for and refining tactics. Wise Vocabulary: https://drilling-rig-appraisal-se85295.elbloglibre.com/36604752/detailed-notes-on-oil-rig-appraisal-services