Mechanical-thermal hydrate exploiting method
A technology for hydrate and hydrate sediments, which is applied in the fields of fluid production, earthwork drilling, wellbore/well components, etc. It can solve the problems of limited decomposition range, consumption, and low production efficiency, and achieve high convective heat transfer efficiency and avoidance of The effect of leakage and high mining efficiency
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[0028] Embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined arbitrarily with each other.
[0029] Mechanical-thermal mining of hydrate is a new mining method proposed in view of the slow heat transfer efficiency and low mining efficiency of existing mining methods. Its basic idea is to excavate hydrate formations with mechanical equipment and The hydrate is crushed into particles; then in the pre-designed hydrate decomposition chamber, the supply of hot seawater, the mixing of small particles and seawater, and the partial separation and backfill of sediments, hydrates, water and gas are carried out; Then the hydrate deposits, water, and gas are transported upwards along the production wellbore, and the hydrates decompose to produce gas and the sediments separate and s...
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