Well completion pipe string structure for ultra-short radius well

The invention provides a well completion pipe string structure for an ultra-short radius well. The structure comprises a filling tool, a flexible screen pipe section and a guide shoe, wherein the flexible screen pipe section comprises a plurality of sand control flexible screen pipe units which are connected end to end, and each sand control flexible screen pipe unit comprises a universal connector, a universal base pipe which is universally connected with the universal connector, a filter sleeve sleeving the universal base pipe, and a universal washing pipe which is arranged in the universal base pipe and coaxially connected with the universal base pipe, wherein the universal connectors of every two adjacent sand control flexible screen pipe units are connected with the universal base pipe, and the universal washing pipes of every two adjacent sand control flexible screen pipe units are connected with each other. The problem that a washing pipe cannot be well tripped into an existing flexible screen pipe dur