Wellhead heat insulation and heating equipment for well workover
A technology for heating device and workover, which is applied to isolation devices, wellbore/well components, earth-moving drilling, etc., can solve problems such as freezing accidents, and achieve the effects of energy saving, convenient disassembly and assembly, and strong immediacy
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Embodiment 1
[0026] This kind of workover wellhead insulation heating device diesel generator set, heating control cabinet, three-gate insulation heating device, wellhead four-way insulation heating device, anti-theft valve insulation heating device; the diesel generator set is connected with the heating control cabinet with cables, and the heating control cabinet provides The safety voltage heats the above-mentioned heat preservation and heating devices. The heating control cabinet is the core component connecting the generator set and each heat preservation and heating device. Voltage, power distribution and safety protection and other functions.
[0027] Considering the power demand, the portability of the device and the energy saving requirements, in this embodiment, two diesel generator sets with the same power are selected, and the safe voltage is transformed through two heating control cabinets to provide the thermal insulation and heating device for the three gates, the thermal insu...
Embodiment 2
[0035] Compared with Embodiment 1, this embodiment also includes a ground casing heat preservation and heating device, and others are the same as Embodiment 1. When the exposed casing on the ground is long, this embodiment is selected. Figure 8 and Figure 9 A schematic diagram of the structure of the ground casing heat preservation and heating device in the present invention is provided. As shown in the figure, the ground casing heat preservation and heating device in this embodiment is detachable, and consists of two heating units (1c, 2c) on the left and right The cylindrical body formed by fastening the bolts 7 together, the shape of the cavity formed after the two heating units are fixed together is the same as the shape of the ground casing, which is also cylindrical, and the ground casing can be fastened together Among them; the two heating units are semicircular shells, the inner wall of the shells has an insulating layer 3, an electric heating element is installed in...
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