Wellhead groove oil production device and parameter determination method thereof

The invention provides a wellhead groove oil production device and a parameter determination method thereof, and belongs to the technical field of well drilling. The wellhead groove oil production device comprises a drilling machine, a movable base, a main groove body, a deepening groove body, a plurality of casing heads and a plurality of Christmas trees; the drilling machine is arranged on the movable base, and the movable base is arranged above the main groove body and is perpendicular to the axial direction of the main groove body; and for each casing head, one end of the casing head is connected with a wellhead, the other end of the casing head is connected with one Christmas tree, a placing opening is formed in the bottom of the main groove body, the deepening groove body is arranged in the placing opening, the casing head and the Christmas tree are arranged in the deepening groove body, the casing head is located below the placing opening, and the Christmas tree is located above the placing opening. Ac