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Abstract

Summary

Broad availability of continuous pressure measurements from Permanent Downhole Gauges (PDGs) has revived interest in using Pressure Transient Analysis (PTA) to improve history matching of reservoir models. Reproducing pressure transient responses in reservoir simulations as a way of conditioning parameters and realizations of geological models, also known as geological well testing, is a rapidly growing R&D area with many applications recently reported.

The main focus of this paper is integration of PTA into reservoir simulation. We present a workflow which combines time-lapse PTA, employing analytical, single-phase models, with smooth transition to numerical, multi-phase simulations. Application of this workflow is illustrated by a case study with horizontal well injection into a segment of a fractured carbonate reservoir. The value of using pressure derivative in history matching is demonstrated through the evaluation of a hypothesis of well connection to conductive faults. The analysis of pressure transients in combination with numerical simulations finally argued for absence of such connection for the analysed history period.

© EAGE Publications BV
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/content/papers/10.3997/2214-4609.201700995
2017-06-12
2024-04-25

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References

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Integrating Pressure Transient Analysis into History Matching
Conference Proceedings 2017, 1 (2017); https://doi.org/10.3997/2214-4609.201700995
/content/papers/10.3997/2214-4609.201700995
/content/papers/10.3997/2214-4609.201700995
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