BOTAŞ Petroleum Pipeline Corporation (BOTAS) is the state-owned crude oil and natural gas pipelines and trading company in Turkey. The company was established in 1974 as a subsidiary of Türkiye Petrolleri Anonim Ortaklığı (TPAO). Since 1995, BOTAS is a wholly state-owned company. In addition to the Kirkuk-Ceyhan Oil Pipeline, BOTAŞ owns and operates Ceyhan-Kırıkkale, Batman-Dörtyol, and Şelmo-Batman crude oil pipelines. It also owns and operates the national gas grid of Turkey with total length of 4,500 kilometres (2,800 mi), and Marmara Ereğlisi LNG Import Terminal. Internationally BOTAŞ participates in the Baku-Tbilisi-Ceyhan pipeline, Arab Gas Pipeline section between Syria and Turkey, and Turkey-Greece pipeline. The Turkish Stream pipeline construction on land will be carried out by BOTAŞ.