OG90
Course Contents
Module 1: Gas and Condensate Reservoir Fundamentals
Key Topics
- Gas field types and gas-condensate reservoir characteristics
- Dry gas, wet gas and retrograde gas-condensate systems
- PVT behaviour, dew point pressure and liquid dropout
- Condensate banking and near-wellbore deliverability loss
- Reservoir drive mechanisms and pressure depletion effects
- Data requirements for appraisal and development planning
- Key uncertainties affecting recovery and project value
Module 2: Subsurface Evaluation and Development Planning
Key Topics
- Geological model, reservoir description and static uncertainty
- Volumetric estimation and recoverable resources assessment
- Well test interpretation and gas deliverability analysis
- Dynamic modelling, history matching and forecast scenarios
- Development concepts, phasing and decision gates
- Well spacing, drainage strategy and production plateau design
- Risk ranking for subsurface and development uncertainties
Module 3: Wells, Completions and Production Strategy
Key Topics
- Well type, trajectory and completion design considerations
- Tubing sizing, pressure losses and liquid loading risks
- Sand control, stimulation and productivity improvement options
- Production forecasting and decline behaviour in gas wells
- Compression timing and pressure support requirements
- Gas cycling, reinjection and condensate recovery strategies
- Managing water production, corrosion and hydrate risks
Module 4: Facilities, Flow Assurance and Export Options
Key Topics
- Gas processing, separation and condensate stabilisation
- Dehydration, sweetening and hydrocarbon dew point control
- Condensate handling, storage, metering and export systems
- Flow assurance risks: hydrates, liquids, wax and corrosion
- Gathering systems, pipelines and compression facilities
- Utility, power and offshore or remote field constraints
- Facility flexibility for changing field operating conditions
Module 5: Economics, Risk and Field Management
Key Topics
- CAPEX, OPEX, production profile and revenue assumptions
- Gas sales, condensate value and commercial drivers
- Development concept screening and economic evaluation
- Fiscal, regulatory, HSE and environmental considerations
- Surveillance plans for reservoir and production performance
- Integrated risk register and mitigation planning