PVT Data Acquisition and Laboratory Experiments

Program Objectives

The purpose of the training is to provide an understanding of the different fluid types and of how fluid samples are collected in the field and what kinds of experiments are routinely performed in the laboratory to generate the PVT characterization of a reservoir or surface fluid. Of particular importance is why a particular experiment is done, how the data is used (in an EOS, for example), and any uncertainties involved. Students should have reasonable experience with collecting fluid samples and designing laboratory PVT programs. Knowledge of collecting fluid samples and designing laboratory PVT programs would also be useful, but not required.

Course Outline
Day 1
  • Fluid Types and Fluid Sampling
    • The Pressure‑Temperature Envelope
    • Black Oils
    • Volatile Oils
    • Near‑Critical Fluids 
    • Rich Condensates 
    • Lean Condensates 
    • Dry Gases 
    • Surface sampling techniques 
    • Bottomhole sampling techniques 
    • MDT sampling techniques 
    • Sampling of plant fluids 
Day 2
  • PVT Lab Experiments
    • Sample consistency check 
    • Recombination of surface samples 
    • Routine Laboratory Experiments 
    • Constant Composition Expansion 
    • Constant Volume Depletion 
    • Differential Liberation 
    • Single and Multi-Stage Separator Tests 
    • Viscosity Measurement 
    • Density Measurement

Day 3
  • Specialized Laboratory Experiments
    • The Pressure‑Composition diagram 
    • Swell Experiment 
    • Multicontact Experiment 
    • Slimtube Experiment 
    • Rising Bubble Experiment 
    • Interfacial Tension Measurement 
    • Wax deposition 
    • Asphaltene precipitation