Energy production and CO₂ storage through multiphase flow experiments in hydrate systems ...
Gas hydrate is a solid ice-like compound composed of water and gas. In porous media at low temperatures, high pressures, and with sufficient gas, hydrate will form. Hydrate will occupy a fraction of the pore space, which greatly impacts the petrophysical and geomechanical properties of the system. T...
| Main Author: | |
|---|---|
| Format: | Doctoral or Postdoctoral Thesis |
| Language: | unknown |
| Published: |
The University of Texas at Austin
2023
|
| Subjects: | |
| Online Access: | https://dx.doi.org/10.26153/tsw/52506 https://repositories.lib.utexas.edu/handle/2152/125961 |
| Summary: | Gas hydrate is a solid ice-like compound composed of water and gas. In porous media at low temperatures, high pressures, and with sufficient gas, hydrate will form. Hydrate will occupy a fraction of the pore space, which greatly impacts the petrophysical and geomechanical properties of the system. This study investigates the morphology of gas hydrate within porous media and its impact on multiphase fluid flow behavior in these systems. To explore these impacts, I develop a method for forming hydrates in porous media and then perform systematic flow experiments on the hydrate-bearing samples. I first perform two-phase (water and hydrate) and three-phase (gas, water, and hydrate) relative permeability experiments. Through these experiments, I show that in hydrate systems water will always be the wetting phase and gas and hydrate will be the non-wetting phases. I then present a modeling framework for relative permeability in the presence of hydrate that is based on the porous media's characteristics and ... |
|---|