Coiled tubing hydraulic sand blasting perforation and bridge plug setting integrated tubular column and construction method

The invention provides a coiled tubing hydraulic sand blasting perforation and bridge plug setting integrated tubular column and a construction method. The coiled tubing hydraulic sand blasting perforation and bridge plug setting integrated tubular column comprises a coiled tubing, a coiled tubing connector, a safety joint, a centralizer, a hydraulic sand blasting perforation tool and a bridge plug hydraulic setting tool which are connected in sequence to form a tubular tool string, the upper end of the coiled tubing is connected with a coiled tubing injection head, and the lower end of the coiled tubing is connected with the coiled tubing connector. According to the coiled tubing hydraulic sand blasting perforation and bridge plug setting integrated tubular column, a coiled tubing sand blasting perforation technology and a coiled tubing setting bridge plug staged fracturing technology are integrated, hydraulic sand blasting perforation is adopted, and the influence of bottom layer pollution on fracturing is