Multi -functional well head sealing device

The utility model discloses a multi -functional well head sealing device, including proclaim oneself the casing, proclaim oneself gluey core, the gland is proclaimed oneself to the U type, drainage tube, collection umbrella, proclaiming oneself that the casing is divided into upper segment and hypomere and inside for upper and lower through structure, going up the intersegmental part and be the epicoele, lower intersegmental part be the cavity of resorption, and wherein the under shed of hypomere is held and is set up end flange and be connected with the oil recovery well head, and the upper shed of upper segment holds the U type that sets up to proclaim oneself the gland, going up the intracavity setting and proclaiming oneself gluey core, the cavity of resorption passes through the trompil of hypomere lateral wall and feeds through with the drainage tube, collect the umbrella and pass through radial channel and drainage tube intercommunication. The utility model discloses realization sand washing that can convenient and fast, wash the kill -job circulation, prevent the excessive environmental pollution of causing of circulation fluid, can spout or rig floor plane oily water that other constructions caused is collected to the circulatory pool because of emitting, to cleaner production have been realized attached to in the greasy dirt string income well on the pipe type walls such as drilling rod, can effectively prevent the smallclothes junk, fall into the pit shaft and cause engineering accident such as the sticking of tool.