The utility model relates to a double hook type thread connection buckle, which is suitable for the sleeve pipe patch in an oil and gas well and the threaded connection of a well completion expansion tube. The utility model is composed of a cone-shaped thread pair formed by connecting a tube body male screw and a tube body female thread on the both sides, and is characterized in that a taper angle is designed at the root on the opposite side to the carrying lateral surface of the thread large diameter of the tube body female thread, a small end sealing column surface is designed at the port part of the female thread, a dual functional groove is arranged at the tail part of the female thread, a large end sealing column surface is designed on the rear surface of the dual functional groove, a taper angle matched with the female thread is designed at the root on the opposite side on the small diameter carrying lateral surface of the tube body male screw, a large end sealing column surface is designed at the port part of the male screw, a dual functional groove is arranged at the tail part of the male thread, and a small end sealing column surface is designed on the rear surface of the groove. The utility model can realize the direct connection between tube bodies and the sealing function, ensures the casing patch of long well sections and the forming of a large well pit drift diameter after well completion, and is convenient for the tripping in of tools in the subsequent operation.