| 摘要 |
The present invention relates to an oil pipe for use in producing or oil conveying. The pipe has a lining adhered to the interior surface of the pipe and an overcoat comprising perfluoropolymer adhered to a primer layer. The primer comprises a heat resistant binder and a flowing at fusion fluoropolymer and the overcoat is applied as a liquid composition and has a non-stick outer surface facing the oil, said heat resistant binder provides the adhesion of the primer with interior pipe surface and the overcoat. The invention also relates to a process of applying such coating on the interior surface of said pipe. The technical inventive result provides reducing the deposition of at least one of asphaltenes, paraffin wax, and inorganic scale. |
