Gathering System Home > Projects > Gathering System Previous Next Gathering System Natural Gas and Crude Gathering and Processing Systems. Over 300 miles of 6″ through 16″ pipe in West Texas and Oklahoma Location: Oklahoma and TexasNatural Gas & Crude Oil300 + Miles6, 8, 10, 12 and 16-inch pipeCompletion Year: 2020 Challenges Expedited Schedule with congested existing pipeline ROW. Related Projects Transmission Modernization & Maintenance Alliance Program Community Solar EPC Project Compressor Station