Field Life Extension in Abu Dhabi Through Hybrid Development Concept

This paper describes an approach for optimizing the number and type of drilling centers required to enable the development plan to be flexible in design to accommodate infrastructure, facilities, drilling, and subsurface constraints.

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Fig. 1—Drilling-center options for 27 WHTs (left) and three AIs plus 2 WHTs (right). Black solid lines connecting well target and drilling center represent well/drilling-center relation but not trajectory. Well target locations are common for both drilling-center options.

Field A, a giant field consisting of many subreservoirs, is offshore Abu Dhabi and has produced for 50 years, mainly through peripheral water injection. A long-term development plan (LDP) for the field aims to extend the production plateau by 25 years through infill drilling and waterfloods. This paper describes an approach for optimizing the number and type of drilling centers required to enable the development plan to be flexible in design to accommodate infrastructure, facilities, drilling, and subsurface constraints.

Introduction

Field A, a giant carbonate field, has been developed for 50 years. As the field reaches maturity, it moves to another phase of development.

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