Research Article

Increasing Gas Production of Continuous Freeze-Thaw Hydrate Deposits Based on Local Reservoir Reconstruction

Table 1

Model parameters and initial conditions of HBL at site DK-2.

ParameterValue

Thickness of OB, HBL, and UB21.5, 56, and 21.5 m
Distance between and 45.0 m
Bottom position of HBL-291.3 m
and 4.19 MPa and 277.84 K
Initial saturation in HBL
Gas composition100% CH4
and 0.013 K/m and 0.028 K/m
of HBL, OB, and UB m2
Porosity (all formations)0.30
and 3.1 and 1.0 W/m/K
Composite thermal conductivity model [8]
Capillary pressure model [8]
0.30 & 0.05
& 0.45 & 105 Pa
Relative permeability model [8]
& 3.572