MEARR Number 5

The Completion Challenge—Modeling Potential Well Solutions

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Advanced completion can be defined as the use of technologies for monitoring and controlling reservoir performance without having to deploy a rig or mast to alter the physical configuration of the well. This capability, and the strategy of minimum intervention that it makes possible, can reduce the economic and health, safety, and environmental risks associated with hydrocarbon production.

Survival of the Smartest

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Downhole hardware, from electric submersible pumps to sophisticated reservoir monitoring and control systems, is performing ever more complex tasks under harsh downhole conditions. Equipment reliability in these critical installations has a direct impact on production rates, operating costs, and recovery factors. Schlumberger is increasing the reliability of new downhole systems and providing tools to forecast their expected life in service.

Light Fantastic

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The combination of permanent monitoring sensors, advanced completion technologies, and remote connectivity is the key to real-time reservoir management. Important parameters in well monitoring include temperature profile and flow rates. New fiberoptic sensors are at the heart of a renaissance in temperature logging. Conventional quick-look interpretation methods remain valid, while upgraded reservoir models can yield quantitative flow rates from the new distributed temperature measurements.

The Future of Reservoir Management

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Managing reservoirs in real time is a complex decision-making process that is influenced by technical, logistical, health, safety, environmental, and economic issues. This article defines the scope and processes of real-time reservoir management and explores its significance to the various disciplines within E&P.