Major pipelines of the world are:
1. Big Inch Pipeline: This pipeline supplies oil from the coastal wells of the Gulf of Mexico to the northeast states in the United States.
2. Tap Pipeline: This pipeline connects the oil wells near Persion Gulf to a city called Sudan. Its length is 1600 kilometers.
3. Comacon Pipelines: It is located in the former Soviet Union. Oil from Volga and Ural regions is transported to the countries of Eastern Europe through this pipeline.
4. O.I.L. Pipelines: The O.I.L. pipelines has been constructed From Naharkatiya of Assom to Barauni oil refinery in Bihar. Its length is 1157 km. It was extended upto Kanpur in 1966.
5. H. V J. Pipe lines: An important network of another broad pipeline in West India was constructed in Ankleshwar – Koyali, Mumbai High – ICoyali and Hazira – Vijaipur – Jagdishpur. Recently a 1256 km long pipeline was made from Salaya (Gujarat) to .Mathura (U.P.).
6. Tapi project: The much awaited Turkmenistan-Afganistan-Pakistan-India (Tapi) gas pipeline project was inaugurated on December 3, 2015. in Meri city (Turkmenistan) connected to the historic Silk route. It is likely to be completed by 2019, which will be 1814 km long. It will reach Fazilka (India) via Kandhar (Afghanistan 774 km) and Multan (Pakistan 826 km) from Galkynysh (Turkmenistan) area.
