METHOD FOR CONNECTING HIGH- AND LOW-TEMPERATURE TAPS OF CABLE LINE Russian patent published in 2007 - IPC H01B7/17 H01R4/62 

FIELD: oil industry; on-route heating of oil-gas mixture.

SUBSTANCE: proposed method includes removal of base insulation from current-carrying conductor length sufficient to ensure that heating temperature of its base insulation will not exceed that admitted for base insulation of low-temperature tap; nonsplit connection of naked sections of current-carrying conductors of high- and low-temperature taps; covering of mentioned interconnected naked sections of current-carrying conductors with additional insulation made of base insulation material of high-temperature tap and /or of material whose physical and chemical properties are not worse than those of high-temperature tap base insulation; sequential application of additional layer on top of interconnected current-carrying conductors of mentioned taps covered with additional insulation and its jointing with base insulation and armor.

EFFECT: enhanced operating reliability of cable line.

15 cl, 3 dwg