Long well well head anti -theft device that stops and pressure measuring connector and dismantlement specialized tool thereof

The utility model discloses a long well well head anti -theft device that stops and pressure measuring connector and dismantlement specialized tool thereof, be applicable to long stop the oil -water well shut -in well during, treat behind the well completion that the shut -in well uses between operation period. Its anti -theft device includes main plug, theftproof plug and pressure measurement relief valve, the centre bore threaded connection of pressure measurement relief valve and main plug, theftproof plug with main plug threaded connection, install in the top of pressure measurement reliefvalve, main plug all is equipped with with the theftproof plug and dismantles special hole. The utility model discloses have closed oil -water well well head, prevent to destroy, can also detect thefunction that conventional shut -in well measure such as pit shaft pressure can not realize. Have simple structure, the operation and maintenance is convenient, can effectively reduce the long administrative cost and the long