FIELD: oil and gas production.
SUBSTANCE: structure can be used as shelter above production well head, it includes the roof and walls in a form of parallelepiped with arrangement of long sides along the line connecting the injection well and output of water pipeline from the ground. There is a door in the long side near the well. There is a hatch in the roof located over the injection well. There is a heating system provided inside the shelter. There are flooring plates located along the long sides near the ground. Note that the shelter space is connected between the flooring plates with ground. Shelter width and length are selected considering the impossibility to cool the ground down under the shelter till negative temperatures to the depth of seasonal earth freezing in condition of maintaining the positive temperature inside the shelter within 6-10°C.
EFFECT: prevention of well freezing and output of water pipeline from the ground under the influence of coldness.
2 cl, 2 dwg
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