Patent ID: 7971306
Filing Date: 2011-07-05
Classification: B08B

Abstract:
1. A subsea conduit cleaning tool, comprising: a. a flotation collar comprising an upper surface, a lower surface, and a central channel sized to fit around a subsea conduit; b. a brush member attached to the lower surface of the flotation collar and comprising: c. a first flexible connector having a first end attached to the first arm and a second end opposite the first end; d. a second flexible connector having a first end attached to the second arm and a second end opposite the first end; e. a first winch attached to the second end of the first flexible connector, such that rotation of the first winch in a first direction will wind up the first flexible connector and rotation of the first winch in a second direction will unwind the first flexible connector; f. a second winch attached to the second end of the second flexible connector, such that rotation of the second winch in a first direction will wind up the second flexible connector and rotation of the second winch in a second direction will unwind the second flexible connector; g. a winch mounting plate on which are mounted the first and second winches in substantial radial alignment with the first and second arms, respectively; h. a power supply attached to the mounting plate and operatively connected to the first and second winches; and i. a lower clamp comprising an upper surface, attached to the winch mounting plate and a central channel sized to fit around a subsea conduit.