Screen the opportunity
Use flow, pressure, temperature and gas composition to establish the initial potential and constraints.
WEX²® · Pressure energy recovery
Turn pressure
into power.
Recover energy from natural-gas pressure reduction and waste heat to generate useful electrical power.
WEX²® integrated system
Process module → Expander-generator → Electrical power
01
Recover pressure energy and waste heat
Use energy available within the gas system.
02
Generate useful electricity
Convert controlled expansion into power.
03
Substantially reduce fuel-gas use and CO₂ emissions
Turn pressure energy and waste heat into power that displaces conventional generation.
The opportunity
Pressure reduction.
With energy recovery.
Gas needs to reach the right pressure for the next process. WEX²® turns that pressure drop into useful power, and available waste heat increases the power recovered.
A conventional control valve reduces pressure without generating electricity. WEX²® routes gas through a turboexpander-generator. The turboexpander recovers over 80% of the available gas expansion energy as shaft power while maintaining the required downstream pressure.
Applications
One opportunity.
Across the gas value chain.
Recover pressure energy across the gas value chain, with additional power from available waste heat in production, storage and industrial applications.
01 / UPSTREAM
Offshore gas & gas-condensate
Convert reservoir pressure energy and available waste heat into electrical power, reducing fuel-gas use and CO₂ emissions.
Explore application02 / UPSTREAM
Onshore gas production
Convert gas pressure energy and available waste heat into power at production, gathering and treatment facilities.
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03 / STORAGE
Underground gas storage
Recover a significant part of stored-gas pressure energy and harness reservoir heat during withdrawal, with available waste heat adding further power.
Explore application
04 / DOWNSTREAM & INDUSTRIAL
Industrial consumers
Convert gas pressure energy and available industrial waste heat into electricity for local consumption or export.
Explore application
05 / DATA CENTERS
Data centers
Generate electricity from gas-pressure reduction, while expansion cooling can contribute to the server park’s cooling loop.
Explore applicationGas-turbine photo: Steven Bradley / Wikimedia Commons · CC BY-SA 3.0 · Cropped for layout.
Engineering the integration
Start with your process.
Build the right case.
Power recovery, heat demand, operability and project economics are assessed together.
Develop the concept
Compare integration options, heat sources and process effects across the operating envelope.
Prepare for the project
Define the configuration, interfaces and development basis through concept and pre-FEED studies.
Build
Deliver the installation with project partners, from detailed engineering and procurement to construction and commissioning.
Operate
Operate and maintain WEX²® under the agreed project model, with ongoing performance optimisation.
Commercial models
A deployment model
that fits the asset.
Offshore & conventional projects
Operator-owned integration
Develop WEX²® through the operator’s established engineering, procurement and project-delivery process.
WellPower and key component partners support screening, concept selection and integration into new developments and existing facilities.
Explore the modelSuitable onshore applications
Energy-as-a-Service
Access recovered electricity without upfront investment in the agreed WEX²® equipment scope.
A dedicated project company can develop, finance, own and operate the installation. The customer purchases the recovered power under an agreed offtake arrangement, with clear responsibilities for site integration, maintenance and operation.
Explore the modelPublished paper
Explore the WEX²® technical paper, SPE-229151-MS.
Designed for real operations
Our experience in offshore production, mechanical engineering and operations guides practical decisions on integration, reliability and maintenance.
A clear project case
Assess pressure energy, available waste heat and operating constraints together to establish power recovery, integration requirements and project economics.
Technical publication
Wellstream Expansion & Waste Energy Extraction.
SPE-229151-MSThe engineering behind WEX²®
Explore the technical basis.
A New Method for Conserving Energy in Gas Production Plants by Wellstream Expansion and Waste Energy Extraction.
The WEX²® technical paper is a starting point for a deeper discussion of the technology and its application to gas production.
How much power is in
your pressure reduction?
Share your operating conditions. We can help establish the opportunity and the right next step.