Find your next step
Follow an ordered reading path through existing PetroSmart guides. Start with the prerequisites, work through the examples and use the linked resources to continue.
Drilling and well control
Build from drilling-fluid measurements to trajectory calculations and pressure interpretation.
Explore this learning pathReservoir and production
Follow the path from rock and fluid properties to volumes and production behaviour.
Explore this learning pathFacilities and integrity
Connect piping and equipment fundamentals with measurement, protection and integrity.
Explore this learning pathPetroleum economics and development
Move from well cost classification to a development decision and investment comparison.
Explore this learning pathDrilling and well control
Build from drilling-fluid measurements to trajectory calculations and pressure interpretation.
- Introduction to Drilling Fluids and Solids Control: Ensuring Stability and Efficiency
- Understanding Drilling Fluid Properties: PV, YP, Gel Strength & Fluid Loss Explained
- Drilling Hydraulics Optimization - Bit Nozzle Design, Hydraulic Horsepower, and Annular Velocity Calculations
- Directional Surveying in Petroleum Engineering
- Trajectory Calculations: Predicting Well Paths with Precision
- Dogleg Severity Analysis: Key to Maintaining Drillstring Integrity
- Formation Pressure Evaluation While Drilling - Fracture Gradient, Leak-Off Tests and Kick Interpretation
- Well Control in Petroleum Engineering
Reservoir and production
Follow the path from rock and fluid properties to volumes and production behaviour.
- Wettability in Petroleum Engineering: A Key to Fluid Behavior and Oil Recovery
- Connate Water Saturation in Reservoir Engineering: Definition, Impact & Measurement
- Special Core Analysis (SCAL) in Petroleum Engineering
- Permeability: The Unsung Hero of Reservoir Performance
- Understanding PVT Analysis in Reservoir Engineering: Why It Matters
- Gas Formation Volume Factor (Bg): Complete Engineering Guide with Z-Factor Calculations
- Understanding Gas-Oil Ratio (GOR) in Petroleum Engineering
- Original Oil in Place (OOIP): The Foundation of Reservoir Evaluation
- Waterflood Patterns in Reservoir Engineering
- Voidage Replacement Ratio (VRR) Calculation in Waterflooding
Facilities and integrity
Connect piping and equipment fundamentals with measurement, protection and integrity.
- Introduction to Petroleum Piping Systems: Pipe Standards, Wall Thickness Design, and Pressure Rating Selection
- Pipe Fittings and Branch Connections: Elbows, Tees, Reducers, and Branch Reinforcement Design
- Flanges, Gaskets, and Bolted Joint Design: Flange Face Types, Gasket Selection, and Bolt Load Calculation
- Valves in Petroleum Service: Gate, Globe, Ball, Check, and Control Valve Selection, Sizing, and Specification
- Pumps and Compressors in Petroleum Processing: Centrifugal Pump Selection, NPSH Design, Compressor Types, and Power Calculation
- Custody Transfer Measurement and Hydrocarbon Accounting: API MPMS Standards, Allocation Methods, and Fiscal Metering Design
- Safety Instrumented Systems: IEC 61511 Lifecycle, SIL Determination, and PFD Calculation
- Hydrate Management in Production Operations - Formation Thermodynamics, Inhibition Strategies, and Flow Assurance Design
- Subsea Inspection and ROV Operations: Work-Class ROV Systems, Corrosion Detection, Pipeline Inspection, and Bathymetric Survey Methods
- Crude Oil Distillation: Atmospheric Distillation Unit Design, Column Internals, and Product Cut Point Optimization
Petroleum economics and development
Move from well cost classification to a development decision and investment comparison.
- Tangible and Intangible Well Costs: Classifying a Well Budget
- Total Well Costs: From Initial Planning to Abandonment
- Well Cost Estimation: Case Study, Calculation Framework, and Practical Exercise for Offshore and Land Drilling Projects
- Cost Reduction Strategies: Balancing Savings with Well Integrity
- Field Development Planning - Concept Selection, FDP Structure, Pre-FEED to FEED, and Well Program Optimization
- Petroleum Economics Fundamentals: Royalties, Production Sharing Contracts, Cash Flow Modeling, and Breakeven Analysis
- NPV and IRR Analysis for Petroleum Projects: Decline Curve Integration, WACC Calculation, and Capital Allocation
Explore practical tools, technical articles and learning channels for petroleum engineering.
Engineering calculator
Well Productivity Index Calculator
Explore well productivity, inflow performance relationships (IPR), Vogel and Fetkovich models, gas well IPR, nodal analysis, and skin effects in an interactive tool.
This tool is intended for educational use. Check the assumptions, units and results independently before applying them to an engineering decision.
Technical articles
Read technical guides on drilling, reservoir engineering, petroleum processing, piping and HSE.
Well testing and reservoir analysis
Start with well testing fundamentals, then explore pressure-transient interpretation and falloff analysis.
- Well Testing in Petroleum Engineering: A Guide to Evaluating Reservoir Performance
- What Is Infinite-Acting Radial Flow (IARF)?
- Falloff Test Analysis in Dual Permeability Reservoirs: What Every Engineer Should Know
- Understanding Infinite-Acting Radial Flow (IARF) in High Permeability Reservoirs
- What Is the Radius of Investigation?
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Reproduce the worked examples
Download the PetroSmart engineering worked examples (ZIP): synthetic oil and gas case studies, declared assumptions, calculation script, numerical results and hydrate illustration data. Educational examples only; these files do not define field operating procedures or a certified engineering design.