Exploitation method and system of land methane hydrate
A technology of methane hydrate and hydrate, which is applied in the direction of mining fluid, earthwork drilling, wellbore/well components, etc., can solve problems such as high cost, atmospheric greenhouse effect, methane gas leakage, etc., and achieve maximum recovery rate and operation Reliable, easy-to-maintain results
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[0009] As shown in the figure is a specific embodiment of the land methane hydrate mining method and system of the present invention. Including: hot water (gas) input pipeline (1), booster water pump (2), combustion heating furnace (3), booster fan (4), water storage tank (5), diesel generator set (6), nitrogen Compression refrigerator (7), storage tank (8), gas compression separator (9), heat exchanger (10), drilling work platform (11), methane output pipeline (12), and water supply pump (13), Control Center (14).
[0010] During implementation, two shafts can be drilled to the depth of the middle and lower part of the land methane hydrate reservoir by means of a land drilling rig, and the hot water (gas) input pipeline (1) and the methane output pipeline (12) are placed in the vertical wells respectively. Seal well with the inner wall of the shaft to prevent methane from leaking, and then blast two cavities at the bottom of the shaft at the same time with an appropriate amo...
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