Nanoporous Gas Transport in Shale Gas Reservoirs

Evans Ogoun, Priscilla Ogunlude, Ofasa Abunomah, Edward Gobina
62 24

Abstract


In more conventional gas reservoirs, gas flow is simple, uncomplicated, and described by simple flux pressure drop expressions. In shale reservoirs however, this relationship takes the form of a more complex and multiscale flow process involving special flow mechanisms. Shale gas reservoirs often contain a significant number of nanopores leading to an apparent permeability that depends on pore fluid type, pore structure and pressure differentials. The complex geometry of shale reservoirs has drastically stimulated basic research on the transport mechanisms involved in the extraction of gas from shale formations. This study is aimed at studying the gas flow in nano pores. In this paper, permeation experiments for methane flow through nanoporous membranes were conducted and the effect of the pore size and pressure on the behaviour of the gas was analysed. The results obeyed the criteria to divide the flow stage into Darcy and Non-Darcy flow. As the pressure increases, the reservoir permeability also increases, and the gas tends to move faster thereby increasing the rate at which it flows per unit area in the system regardless of the temperature difference which means pressure gradient establishes the direction and rate of flow of gas in a reservoir.


Keywords


Shale gas, Nanopores, permeability, Darcy Law, Knudsen diffusion

Full Text:

PDF

References


Ogoun, E., Ogunlude, P., Abunomah, O., & Gobina, E. (2022). Nanoporous Gas Transport in Shale Gas Reservoirs. International Journal on Engineering, Science and Technology (IJonEST), 4(1), 73-84.




DOI: https://doi.org/10.46328/ijonest.70

Refbacks

  • There are currently no refbacks.


Copyright (c) 2022 International Journal on Engineering, Science and Technology

Abstracting/Indexing


 

 

   


International Journal on Engineering, Science and Technology (IJonEST)-ISSN: 2642-4088

affiliated with

International Society for Technology, Education and Science (ISTES)

www.istes.org


Creative Commons License
This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
 
 
.