Assessment of allocation systems: combining Data Validation & Reconciliation scheme and PVT simulations

D. van Putten, L. H. van Luijk, H. J.Riezebos, B.Tinge

Abstract

For increasingly complex production systems, the traditional allocation processes appear to be less suitable and an alternative methodology is required. An assessment was carried out on a large wet gas allocation system containing more than 120 wells. The assessment was based on an approach that combines the Data Validation and Reconciliation (DVR) methodology and process simulations to accurately calculate the reconciliation factors applied to each well. It was found that the current imbalance and the allocation method complies with requirements stated in the agreement between stakeholders. The assessment provided much insight in the sensitivity of the overall gas balance and provides prioritization of the improvements to minimize the imbalance. A more balanced allocation system leads to a fairer division of the accrued revenues.

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IMEKO TC

TC9 - Flow Measurement

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