Deep layer terrestrial heat renewable energy source winter heating method
A renewable energy, deep-seated technology, applied in the direction of renewable energy integration, geothermal power generation, heating methods, etc., can solve the problems of backward comprehensive energy-saving technology, high one-time cost, complex technology, etc., and achieve high practical value and promotion value , Renewable operating costs, endless effects
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[0024] Attached Figure 2-4 , To further describe the present invention:
[0025] (1) Use a large drilling rig to drill a 10-inch diameter deep well;
[0026] (2) Use logging equipment to stop drilling when the measured formation temperature reaches 40 degrees, and measure the well depth;
[0027] (3) Replace the 7-inch bit and continue drilling down;
[0028] (4) Stop drilling when the measured formation temperature reaches 75-80 degrees and measure the well depth;
[0029] (5) Calculate the length of the 7-inch well depth and the 10-inch well depth;
[0030] (6) Run 7-inch casing to the bottom of the well, with a length of about 1000-1600 meters;
[0031] (7) At the same time, with thermal insulation and protection layer, the casing shall reach the junction of 10 inches and 7 inches, the length is about 1000 meters;
[0032] (8) Carry out cementing work at the bottom of the well; (9) Carry out cementing work at the top of the well;
[0033] (10) Run a 3-inch temperature-isolated...
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