Well head sample anti -theft device

The utility model discloses a well head sample anti -theft device, including anti -theft box, antitheft screw, antitheft screw specialized tool, sample valve specialized tool and well head theftproofsample valve, anti -theft box includes protective cover and base, first screw hasp and second screw hasp pass through antitheft screw and connect, antitheft screw's upper end surface is equipped withthree anomalous round hole, bolt pole and round hole phase -match, well head theftproof sample valve upper end is equipped with the valve rod, sleeve and valve rod top phase -match, well head theftproof sample valve has the well head pipeline through the pipe connection, on the base is fixed in the well head pipeline, well head theftproof sampling device, simple structure, design science, standard. The problem of present oil well sample connection steal oily case and take place frequently is solved, use safe and reliable, played the positive role to reducing aspects such as crude oil loss, reduction environmental pollu