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Cell Biology JoVE (Open Access) Citable · DOI

Measurement of the Rheology of Crude Oil in Equilibrium with CO2 at Reservoir Conditions

DOI: 10.3791/55749-v
What you'll learn
  • ✓ Set up and calibrate pressure cell systems for crude oil rheology measurement
  • ✓ Measure viscosity of CO2-saturated crude oil under reservoir conditions
  • ✓ Interpret rheological data for low- and high-viscosity oil samples
Protocol

A method for measuring the rheology of crude oil in equilibrium with carbon dioxide at reservoir conditions is presented.

Difficulty
advanced
Total time
~4–6 hours per sample (including equilibration and measurement cycles)

Steps

1
Prepare double gap geometry pressure cell system

Assemble and configure the double gap geometry cell for low-viscosity crude oil samples. Includes geometry setup and pressure containment verification.

▶ 00:40
2
Measure rheology of low-viscosity oil sample

Conduct rheological measurements on low-viscosity crude oil in equilibrium with CO2 using the double gap geometry cell at reservoir conditions.

▶ 03:00
3
Prepare coaxial cylinder geometry pressure cell system

Assemble and configure the coaxial cylinder geometry cell for high-viscosity crude oil samples. Includes geometry alignment and pressure system validation.

▶ 05:28
4
Measure rheology of high-viscosity oil sample

Conduct rheological measurements on high-viscosity crude oil in equilibrium with CO2 using the coaxial cylinder geometry cell at reservoir conditions.

▶ 07:05
5
Analyze rheology data for CO2-saturated crude oil

Interpret and present rheological results from Zuata crude oil samples saturated with CO2, including viscosity trends and fluid behavior characterization.

▶ 08:16
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