Flowpro Dynamics
InsightUltra
UltraThe transient module

The full transient physics of the whole wellbore

Insight Ultra is the fully transient well simulation module. It resolves multiphase flow along the entire wellbore, including tubing, annulus, and completion hardware, with annular phase segregation and dynamic valve response tracked over time. Where the Single Zone and Multi Zone modules use upscaled valve representations for speed, Ultra solves the underlying transient physics directly.

The Insight family

Ultra sits alongside the upscaled modules

Insight is a family of compatible simulation modules. Each module fits a different stage of the completion engineering workflow, and results flow between them.

Fastest

Single Zone & Multi Zone

Upscaled valve representations for fast completion design and reservoir simulator export. The day-to-day workhorse for most completion studies.

Most detailed

Ultra

Fully transient, full physics along the wellbore. For transient behaviour, phase-dependent valve response, shut-in and restart, and tracer analysis.

Earliest stage

Insight Quick Look (IQL)

Analytical reservoir-to-surface model for rapid concept screening. Built for pre-FEED where grid-based simulation is too slow.

Before installation

Design completions under realistic conditions

Used before a well is drilled or a completion is run, Ultra answers the questions that steady-state models cannot: how the completion actually behaves in transient operation, and where phase-dependent valve response will help or hurt.

Compare completion designs under realistic conditions

Test competing completion strategies with the full transient physics, not just a steady-state snapshot. See how each design responds to start-up, ramp-up, and rate changes before a single joint is run.

Phase-dependent valve behaviour

For completions where AICD or AICV response depends on the phase in the annulus, Ultra resolves the annular segregation and the valve response in the same simulation. Decide between competing designs on the basis of how they actually behave, not on the steady-state assumption.

Dynamic phase redistribution during shut-in and restart

Model what happens in the annulus between shut-in and restart, phase migration, slug formation, and the restart transient. Identify whether a completion design creates operational risk before it is installed.

After installation

Diagnose existing wells against measured data

Once a well is producing, Ultra becomes a diagnostic tool. Combined with PLT, tracer, or production data, it lets engineers reconstruct what the well is actually doing and why.

Diagnose production issues

Use Ultra alongside PLT and production data to understand why a well is behaving the way it is. The full transient model lets you test hypotheses against measurements and isolate the cause.

Well cleanup operations

Simulate well cleanup transients to plan the operation, size the facilities, and predict when the well reaches stable flow. Reduce uncertainty in the cleanup schedule.

Well stability issues

For wells that cycle, slug, or show erratic production behaviour, Ultra resolves the transient mechanisms, gas coning, water slugging, annulus instabilities, that steady-state models miss entirely.

Tracer design and analysis

Ultra now includes a full tracer analysis module built on first-principles release physics. We expect it to become the preferred tool for tracer design and chemical PLT interpretation in AICD and AICV completions.

Explore the tracer module →

The physics

Full transient equations, not upscaled

Most simulation tools for advanced completions rely on upscaled valve representations that reduce the problem to a set of lookup tables. That is the right choice for reservoir-scale simulation, and Insight Single Zone and Multi Zone are built for exactly that. Ultra is for when the transient physics itself is the subject of the study.

  • Full transient multiphase flow equations solved along the entire wellbore
  • Tubing, annulus, and completion hardware resolved as one coupled system
  • Annular phase segregation captured in the transient solution, not only at steady state
  • Dynamic valve response for ICD, AICD, and AICV over time, not just end-state behaviour
  • Start-up, shut-in, and restart transients resolved with full physics
  • Fully compatible with the Insight Single Zone and Multi Zone modules

Work with Ultra

A specific well you want to understand properly?

Book a demo of Ultra on your own well data, or discuss a consulting engagement where we run the analysis for you.

Book a demoDiscuss a study