Integrated production platform for natural gas extraction and liquefaction

The utility model discloses a natural gas extraction and liquefaction integrated production platform which comprises a main ship body and pile legs at four corners of the main ship body, a productionprocess module is arranged in the middle of a deck of the main ship body, a hose winch is arranged on the side of the deck of the main ship body, and a wellhead supporting device is arranged at the top end of a riser of a stern of the main ship body. The wellhead supporting device is composed of a supporting truss on the riser and supporting tables at the upper end and the lower end of the truss.The production process module is provided with four natural gas compression treatment skid blocks, including a raw material gas separation pressure regulating skid, a raw material gas purification skid, a mixed refrigerant compression skid and a cryogenic liquefaction skid; the hose winch controls a low-temperature floating hose in the winch through a cab; and the pile legs are matched with a lifting device fixed on the ma