Field/project development

Autonomous Inflow Control Devices Help Maximize Life of Wells in Deepwater West Africa

This paper provides insight into designing advanced well completions offshore West Africa with autonomous inflow control devices that enable maximizing the producing life of the wells under various challenging reservoir conditions.

Representation with and without flow control devices for controlling unwanted reservoir fluid.
Representation with and without flow control devices for controlling unwanted reservoir fluid.
Source: OTC 35418.

Deepwater wells offshore West Africa traverse a complicated faulted block with sand bodies that can feature thicknesses of tens of meters. The study described in the complete paper provides insight into designing advanced well completions under various challenging reservoir conditions with autonomous inflow control devices (AICDs) that enable maximizing the producing life of the wells.

Introduction

The study area for this paper has been a challenging brownfield. Wells have been drilled in difficult deepwater conditions, and the target reservoirs have been lenticular sands with interbedded shale layers. To further complicate production, the sand bodies are poorly consolidated.

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