Study on the Influence of Sand Production on Seepage Capacity in Natural Gas Hydrate Reservoirs

Table 1

Important model parameter.

Parameter	Value	Parameter	Value
Initial pressure	10 MPa	Initial temperature	13°C
Initial natural gas hydrate saturation of natural gas hydrate sediment [26]	0.3	Initial permeability [27]	3 mD
Initial water saturation of natural gas hydrate sediment	0.65	Initial gas saturation of natural gas hydrate sediment	0.05
Natural gas hydrate sediment thickness [28]	30 m	Initial porosity of natural gas hydrate sediment	0.3
Depth	1200 m	Bottom hole pressure	3 MPa
Over layer thickness	15 m	Under thickness	15 m
Initial porosity of over/under layer	0	Initial sand concentration of natural gas hydrate sediment	921.74 mole/m3