FIELD: oil and gas.
SUBSTANCE: system for launching equipment with a cable for diagnosing and cleaning production, injection and distribution pipes, comprising: a support structure in which a robot launch pipe is located; a sealing assembly including: a dynamic seal attached to an inlet end of the robot launch tube, sealed to an umbilical cable; an annular BOP valve to limit the upward flow; and a plunger BOP valve at the other end of the upflow restricting conduit, having an orifice that is sufficient to allow passage of the robot sealing on the umbilical cable.
EFFECT: provision of volumetric compensation and pressure to prevent emissions and to prevent oxygen from entering the pipe, as well as ensuring the removal of hydrocarbons and vapours from the robot.
12 cl, 2 dwg
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