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Oil Tests at Extreme Conditions Yield New Data for Reservoir Modeling

The densimeter measures the volume of a set amount of an oil compound at temperatures as high as 500°F and pressures of up to 40,000 psi.

Drilling in the extremely deep waters of the US Gulf of Mexico has revealed huge oil reservoirs, and gaps in the industry’s capabilities.

While much attention has gone toward creating high-performance equipment to develop and produce oil from high-pressure/high-temperature (HP/HT) formations such as the Lower Tertiary, researchers around the world have been quietly working on measuring how oil behaves under those extreme conditions.

“New tools are needed to represent reservoir fluid properties at temperatures from subsea (~30°F) to the reservoir temperatures near 400°F and pressures ranges from ambient to 30,000 psi,” said Jefferson Creek, a senior research consultant at Chevron Energy Technology. “Developing numerical representations requires a solid base of appropriate measured data to benchmark performance of new equations or new procedures.”

A study organized and backed by the National Energy Technology Laboratory (NETL) of the United States Department of Energy first looked to see if any laboratory had tested how oil performs at really high pressures and temperatures.

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Oil Tests at Extreme Conditions Yield New Data for Reservoir Modeling

Stephen Rassenfoss, JPT Emerging Technology Senior Editor

01 November 2014

Volume: 66 | Issue: 11

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