Two-phase gas-condensate flow in pipeline open-network systems

F. F. Martinez, S. A. Corpoven, M. A. Adewumi

Research output: Contribution to conferencePaperpeer-review

Abstract

Even if the gas transmission occurs after the necessary processing of the gas has been completed, condensation still occurs in the natural gas transmission and/or distribution systems. The quantity of condensate formed will not only depend on composition, pressure, and temperature, but also on the unequal splitting phenomenon that takes place at T-junctions in a network system. This work investigates the splitting phenomenon in horizontal-branching-T-junctions. The compositional hydrodynamic model developed at Penn State is used to evaluate gas-condensate flow in a pipeline under steady state conditions. Using a double stream model for splitting analysis at T-junctions, the mass liquid intake fractions are determined. The junction is considered as a separator and the new compositions are calculated at the run and at the branch of the junction. Although quantitative validation of the model is limited by the lack of completeness of the available data, a reasonable qualitative match of experimental data is achieved. The results demonstrate the predictive capability of liquid route preference in two-phase natural gas/condensate flow at T-junctions. In addition to liquid split, compositional split is tested using PCB as the focal point. It is found that the concentration of PCB is distributed in direct proportion to the liquid preference route and the PCB concentration in the delivery points can be higher or lower than the inlet concentration at the supply point.

Original languageEnglish (US)
Pages137-153
Number of pages17
StatePublished - Jan 1 1995
EventProceedings of the 1995 Eastern Regional Conference - Morgantown, WV, USA
Duration: Sep 18 1995Sep 20 1995

Other

OtherProceedings of the 1995 Eastern Regional Conference
CityMorgantown, WV, USA
Period9/18/959/20/95

All Science Journal Classification (ASJC) codes

  • Engineering(all)

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