Gap

Multiphase network modelling and optimisation

GAP is designed to eliminate artificial boundary conditions in reservoir, well and surface network models, through the creation of integrated models using Petex tools.

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Integrated Production and Injection Networks

GAP models multiphase production networks across multiple wells with different PVT properties, accounting for interactions such as back pressure between wells. As one of the industry’s most advanced steady-state multiphase network optimisers, it helps engineers maximise oil and gas production worldwide.

Equations Based Solver

GAP uses a proprietary equation-based solver to model full-field hydrocarbon systems by balancing pressure, flow, and temperature across integrated networks. Designed specifically for oilfield applications, it dynamically evaluates system physics and delivers industry-leading solving speeds.

Non-Linear Optimisation

GAP uses advanced global non-linear optimisation algorithms to maximise hydrocarbon recovery across integrated systems. Its proprietary technology automatically selects the most suitable optimisation approach, helping users identify ideal operating settings while meeting field constraints.

Rule Based Constraints

For long-term forecasting and planning, GAP uses rule-based functionality to evaluate production strategies while adhering to operational constraints. Fast calculations enable rapid forecasting and optimisation of factors such as artificial lift performance.

Well Performance

GAP evaluates and optimises well performance over time by modelling interactions across the entire production network. It supports artificial lift systems, intervention planning, and flow assurance analysis to assess performance throughout a well’s lifecycle.

Flow Assurance

GAP identifies and analyses flow assurance issues such as slugging, liquid loading, wax formation, and hydrates across production networks. Integrated workflows provide insights that support operational decisions and long-term field management.

Advanced PVT Handling

GAP supports multiple PVT descriptions across reservoirs, wells, and surface systems, enabling seamless integration of compositional and black oil models. This combined approach delivers more accurate fluid representation while retaining the strengths of both methods.

Unconventionals

GAP extends its modelling capabilities to unconventional reservoirs including coal bed methane, shale, tight gas, and heavy oil. It captures production and dewatering behaviour while analysing multiphase flow throughout wells and surface networks.

Surface Equipment Modelling

GAP models key production equipment including compressors and pumps, enabling users to assess performance as operating conditions evolve. This supports the design and optimisation of complex systems in challenging production environments.

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Case Studies

Petex: North Sea – Surveillance and Allocation

Splitting the bill without a receipt. PETEX's Digital Oil Field platform turned murky North Sea well allocation into a trusted, physics-based system.

Gap