The utility model relates to a thermal recovery well head technical field is a thermal recovery casing head, and it includes flange joint at the bottom of oil layer sleeve pipe, sleeve pipe body, the production tree, hanger and slips, and the flange connects the lower part outside and is in the same place through threaded connection fixed mounting with sleeve pipe body upper portion inboard at the bottom of the production tree, and oil layer sleeve pipe upper end suit is in flange at the bottom of the production tree connects the big hole of lower part, and oil layer sleeve pipe outside cover is equipped with and lies in the inboard gland of sleeve pipe body. The utility model discloses a set up countersunk head screw thread shear pin at counter sink and horizontal threaded hole and hang the slips, hang reliably, the flange connects at the bottom of setting up the production tree, and mechanical seal nature is high, has simplified process, the convenient to use of processing with the installation moreover, guarantee oil layer sleeve pipe's joint strength through two sets of welding, avoided it to take place the emergence of the condition such as warping, sink at frequent gas injection in -process, prevented welding seam fracture, profit leakage, polluted environment, had safe, laborsaving, simple and convenient, efficient characteristics.