Method for induction heating on threaded surface of oil casing collar
A technology of oil casing and induction heating, which is applied in the direction of heat treatment furnace, heat treatment equipment, process efficiency improvement, etc., to achieve the effect of saving mining cost and increasing the number of times of use
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[0015] Specific embodiments of the present invention are described in detail below, but it should be understood that the protection scope of the present invention is not limited by the specific embodiments.
[0016] Unless expressly stated otherwise, throughout the specification and claims, the term "comprise" or variations thereof such as "includes" or "includes" and the like will be understood to include the stated elements or constituents, and not Other elements or other components are not excluded.
[0017] A method for inductively heating the surface of an oil casing collar screw, the steps of which are:
[0018] Step 1: Thread the coupling with a length of 80-150mm and a diameter of 50-150mm, and the length of the external thread at the end is 50-200mm;
[0019] Step 2: Transport the couplings to the platform for clamping, close the port, and then put the couplings into the sealed oven one by one, and put the oven into the sensor one by one. The sensor first heats the i...
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