FIELD: construction; test equipment.
SUBSTANCE: group of inventions relates to tools and methods for underwater installation and testing of X-mas tree. Tool for underwater installation and testing of X-mas tree from a ship using ship's crane is adapted to be manipulated by ship's crane and includes an underwater unit, comprising a connecting device for releasable connection to an underwater wellhead modules, means for positioning containing thrusters, system determining position of option of a docked submarine remote control unit and means for testing said wellhead module comprising a fluid container and connection device for electric power and electrical and/or optical control. Container with fluid is intended for leak tests and test functions of valves wellhead equipment.
EFFECT: technical result is improved efficiency of installation and testing of X-mas tree.
10 cl, 5 dwg
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