Special truck‑mounted thermal boiler equipment for oilfields. Integrated with fully‑automatic combustion, constant‑temperature & constant‑pressure, high‑efficiency heat exchange and safety protection systems. It features convenient mobile relocation, fast temperature rise and high thermal efficiency. Dedicated to oilfield wellbore preheating, pipeline blockage removal, wax melting & scale cleaning, equipment thermal insulation and winter tracing heat operations. It serves as the core thermal construction equipment for low‑temperature production guarantee and pipeline‑unblocking stable production of oil‑gas fields.