Mature fields

Study Compares Fluid-Tracking-Modeling Approaches for Mature Onshore Field

This paper presents a comprehensive comparison of two modeling-based approaches of fluid tracking for condensate allocation and gas usage.

A simple mechanistic model – TZ map
A simple mechanistic model – TZ map (vertical transmissibility)

A reservoir in a giant field onshore Abu Dhabi has been producing for 6 decades. The reservoir was already saturated at the time of production commencement, with a large oil rim and a gas cap. This paper presents a comprehensive comparison of two modeling-based approaches of fluid tracking for condensate allocation and gas usage: a tracer modeling option in a commercial reservoir simulator and a full-component fluid-tracking approach.

Introduction

Examples of benchmarking fluid-tracking options against an independent fluid-tracking approach are rare in the literature. The goal of this paper, therefore, is to document a comprehensive and detailed comparison between the fluid-tracking option (TRACK) in NEXUS (a commercial reservoir simulator used by companies of the coauthors of this paper) and a full-component fluid-tracking (FCFT) approach.

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