The invention discloses an experimental
simulation device for mining
hydrate based on multi-
branch hole technology, which comprises a multi-
branch hole mining unit, a
temperature control unit, a gas injection unit, a
liquid injection unit, an outlet separating and metering unit, a gas
recovery unit and a data acquisiting and
processing unit, the data acquisiting unit acquires relevant data of thetemperature
control unit, gas injection unit and
liquid injection unit and the like, and achieves the control of the
temperature control unit, gas injection unit and
liquid injection unit; multi
layers of
horizontal branch holes are arranged around through tapping at the lateral side of a central main well net, the
horizontal branch holes are driven by the central main well net to jointly reduce the pressure for
hydrate exploitation, the design form of the multi-
branch holes is utilized to effectively increase the
discharge area of the
hydrate reservoir, and can completely simulate the formation of the hydrate reservoir, the
layout of multi-branch holes, the
pressure reduction of the multi-branch holes, the sand prevention and clogging prevention, the separation of gas-water-sand, and other processes, detailed experimental data is provided for detailed understanding of the mining efficiency and production characteristics and the like of the sea water hydrate multi-branch holes, and a theoretical basis for achieving the efficient mining, productivity evaluation, development scheme and
process design optimization of the hydrate is provided.