Methane Hydrate Distribution from Prolonged and Repeated Formation in Natural and Compacted Sand Samples: X-Ray CT Observations

Figure 5

Hydrate formation distribution patterns on four consecutive formation events in packed sand sample SP1 at 8.3 MPa and 8°C. The time periods between dissociation and consecutive formation were varied: 26 hrs between 1 and 2; 19 hrs between 2 and 3; 48 hrs between 3 and 4.