Pressure transient analysis of coal seams in the presence of multi-mechanistic flow and sorption phenomena

T. Ertekin, W. Sung

Research output: Contribution to conferencePaper

34 Scopus citations

Abstract

A single-phase mathematical model in radial-cylindrical coordinates is formulated to describe both unsteady state sorption phenomena in the coal matrix and the coupled laminar gas transport in the fracture network. The constant terminal rate solution has been obtained in Laplacian space for an infinite acting coal seam reservoir and solution has been brought to real time domain with the aid of a numerical Laplacian inverter. The proposed semi-analytical solution has been validated by collapsing the solution to the radial finite line-source solution which is applicable for conventional natural gas reservoirs. Furthermore, good agreements between numerical solution and analytical solution have been demonstrated.

Original languageEnglish (US)
Pages469-47819102
Number of pages47818634
DOIs
StatePublished - Jan 1 1989
EventProceedings: SPE Gas Technology Symposium - Dallas, TX, USA
Duration: Jun 7 1989Jun 9 1989

Other

OtherProceedings: SPE Gas Technology Symposium
CityDallas, TX, USA
Period6/7/896/9/89

All Science Journal Classification (ASJC) codes

  • Engineering(all)

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    Ertekin, T., & Sung, W. (1989). Pressure transient analysis of coal seams in the presence of multi-mechanistic flow and sorption phenomena. 469-47819102. Paper presented at Proceedings: SPE Gas Technology Symposium, Dallas, TX, USA, . https://doi.org/10.2118/19102-ms