Oil tube with anti-wear and anti-corrosion lining and special specification

The utility model discloses an oil tube with an anti-wear and anti-corrosion lining and a special specification, which is suitable for oil extraction wells, eccentric wear wells, corrosion wells and waterflooding wells of oilfields. The oil tube consists of an outer tube, a liner tube and a coupling loop; the outer tube of the oil tube is a steel outer tube with the special specification, the outside diameter of the outer tube is 78-86 mm, the wall thickness of the outer tube is 5-7 mm, and the inner hole diameter of the outer tube is 56-66 mm after the liner tube is lined in the outer tube; and the two end parts of the outer tube are in additionally-thickened structures or un-thickened flat type structures. The oil tube has the advantages that the diameter of the inner hole of the liner tube is equal to or similar to that of the inner hole of an oil tube with the standard specification of 73*5.51 mm, so as to facilitate the ascending/descending of an oil-pumping pump, underground tools and the like, various