Study on the Optimal Production Pressure of Different Types of Natural Gas Hydrate Based on Formation Stability

Table 1

Parameters of the hydrate-bearing sediment model.

Parameter	Value
Thickness of the upper rock strata, m	30
Depth of the top of reservoir, m	450
Thickness of the lower rock strata, m	30
Thickness of hydrate layer, m	90
Initial hydrate saturation of hydrate layer	0.7/0.6/0.4
Initial water saturation of hydrate layer	0.3/0.4/0.6
Porosity of hydrate layer	0.25
Permeability of hydrate layer, md	,
Initial temperature, C	10
Initial pressure, kPa	7800