Pipeline & Flowline Design Pipelines and flowlines are the arteries of the energy sector, and their design demands precision. Felton Energy delivers complete pipeline engineering services including route selection, stress analysis, cathodic protection design, coating specification, and integrity management planning. Whether onshore or offshore, we engineer pipeline systems that meet international codes (ASME B31.3, B31.4, B31.8, DNV) and the specific operating and environmental conditions of your project.