Multifunctional shale gas production platform

The invention discloses a multifunctional shale gas production platform which comprises a well mouth and a wire laying groove, the well mouth comprises a gas production tree, an upper square well, a lower round well and a drainage blind ditch, the upper square well is formed by fixing four square well side plates together through side plate connecting pieces, and square well stairs built by bricks and stones are arranged on the inner side of the upper square well; a square well bottom plate is arranged at the bottom of the upper square well, a drainage blind ditch is laid below the edge of the square well bottom plate, a groove outlet is formed in the square well side plate close to the drainage blind ditch, and the wire laying groove is communicated with a well mouth through the groove outlet. The structure of the upper square well and the lower round well is adopted, the lower round well is prefabricated in a factory in advance, the well mouth can be suitable for all procedures of pre-drilling, well drillin