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Oil & Gas Training
and Competency Development
Competency Management system SLB NEXT

Advanced Production Data Analysis and Nodal Analysis

Predict the rate at which a well should be capable of producing, given reservoir and fluid properties, wellbore configuration, and flowing wellhead pressure. Identify which components of the reservoir/completion/wellbore system are restricting performance; analyze production data to find permeability, skin factor, and drainage area; forecast future performance from historical production trends and from known reservoir properties

Day 1
  • Inflow Performance - Oil Wells
  • Darcy's Law - Pseudosteady State Flow
  • Vogel's IPR, Dietz Shape Factors
  • Gas Wells, Rawlins & Schelhardt
  • Jones' IPR Relationship Between Jones' IPR and R
Day 2
  • Transient IPR Curves
  • Nodal & Well Orientations
  • Pressure Drop Across the Completion
  • Partial Penetration
  • Deviated Wells
  • Hydraulically Fractured Wells
  • Perforated Completions
  • Gravel-Pack Completions
  • Multiphase Flow in Tubing
  • Liquid Holdup
  • Flow Regimes
  • Critical Rate to Lift Liquids
  • Useful Correlations in Nodal Analysis
Day 3
  • Systems Analysis Graph
  • Sensitivity Analysis
  • Reservoir & Completion
  • Tubing Performance
  • Choice of Node Location
  • Surface Wellhead Chokes
  • Subsurface Safety Valves
  • Production Data Analysis
  • Conventional Decline Curve Analysis
  • Arps Equations
  • Exponential; Harmonic and Hyperbolic Decline
  • Fetkovich Type Curve Analysis
Day 4
  • Transient Flow
  • Boundary-Dominated Flow
  • Arps qi, Di, n
  • Material Balance for Various Reservoirs
  • Reciprocal Productivity Index
  • Transient vs Pseudosteady State Flow
Day 5
  • Estimating Skin Factor and Permeability from Transient Flow
  • Estimating Drainage Area from Pseudosteady State Flow
  • History Matching Production Data
  • Forecasting Future Performance
Learning activity mix

Reservoir and production engineers involved in improving field performance through identification and remediation of under performing wells

IPR relationships for oil and gas wells

Effect of completion issues (partial penetration, deviated wellbore, fracture stimulated well and gravel packs) upon IPR curves

Production data analysis techniques

Decline curve analysis, future performance estimations

Knowledge of the steady-state and pseudosteady state forms of Darcy’s law. Basic understanding of welltest analysis, including the ability to identify the early and middle time regions on a log-log plot, Horner graph analysis (for K, skin factor and P ), and Gringarten/Bourdet type curve analysis (for K and skin factor).

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