Electric submersible pump production test riser system on top of subsea Christmas tree

The invention discloses an electric submersible pump production test stand pipe system on the top of a subsea Christmas tree. The system comprises a subsea Christmas tree device, a production and test stand pipe and an electric submersible pump device. The underwater Christmas tree device is installed above the underwater wellhead device, the production and test stand pipe comprises an outer-layer drill rod, an underwater sleeve and an inner-layer oil pipe, the lower end of the underwater sleeve is installed at the top of the underwater Christmas tree through a release device, the inner-layer oil pipe is arranged in the outer-layer drill rod and the underwater sleeve, and the electric submersible pump device is hung at the lower end of the inner-layer oil pipe. The electric submersible pump is installed in the underwater casing pipe at the top of the underwater Christmas tree, a high-voltage power cable can be directly provided for the electric submersible pump from the installation operation platform, the fu