A Comparative Study of Three Methods for Estimating Initial Gas-in-place in Gas Fields in Bangladesh

Bashirul Haq, M.K. Rahman

    Research output: Contribution to journalArticle

    Abstract

    Bangladesh is one of the poorest countries in the world, on a small land with a vast population. Natural gas is the only significant commercial energy resource of the country, and, therefore, future development of the country largely depends on the judicial management of the valuable resource. Estimation of gas-in-place (GIP) and gas reserves are very crucial for the national policy related to energy planning, use, and sale. A wide variety of estimations is reported in different sources over time, which has created a general perception of uncertainly, both locally and internationally. This article highlights the engineering sources of this uncertainty by presenting an interesting comparative study of GIP and gas reserves using three different methods (volumetric, material balance, and flowing material balance [FMB]) for a number of gas fields in Bangladesh. The comparison shows that the latest estimation is significantly higher than those initially estimated. This is because of the inclusion of some new information from development wells, as they have been available. Also, the article has highlighted the benefit of using FMB technique compared to using the conventional material balance technique.
    Original languageEnglish
    Pages (from-to)532-544
    JournalPetroleum Science and Technology
    Volume26
    DOIs
    Publication statusPublished - 2008

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