The Core Decision Operators Face
When a production facility needs combustion capacity for excess gas management, the operator faces a fundamental question: install permanent infrastructure or deploy a temporary rental solution? Both paths have legitimate applications, and the right choice depends on the production stage, duration of need, capital budget, and regulatory timeline.
When Permanent Systems Make Sense
Permanent flare installations are engineered for the long lifecycle of a producing asset. They are designed, permitted, and built to match the full production profile of the facility from initial ramp-up through plateau production into the decline phase. The capital investment is justified when the combustion requirement will persist for many years and the regulatory permits are already in place.
Permanent systems also offer advantages in terms of integration with facility controls, remote monitoring infrastructure, and annual maintenance planning. Once installed and commissioned, they require less hands-on management than rental units that must be mobilized, demobilized, and redeployed on different schedules.
When Rental Units Are the Better Choice
A rental flare delivers maximum flexibility for time-limited combustion requirements. The clearest use cases include early production testing, turnaround support when permanent flares are offline for maintenance, bridging periods while permanent infrastructure is under construction, and emergency response when unexpected volumes exceed installed capacity.
The capital argument for rental is compelling. Facilities that need combustion capacity for twelve to thirty-six months find that a rental unit costs significantly less in total than purchasing and installing permanent equipment that may only be used for part of its designed life. Rental also transfers the maintenance burden to the provider, keeping the operator internal resources focused on core production activities.
Key Comparison Factors
Timeline: For combustion needs under two years, rental almost always wins on total cost. Beyond three years, permanent installation generally becomes more economical on a per-year basis.
Permitting: In many jurisdictions, permanent flares require more extensive environmental permits than temporary units. A compliant temporary unit can begin operating while the permanent permit works through the regulatory process.
Flow variability: Early production stages often involve highly variable gas flows that are difficult to characterize precisely. A rental unit can be right-sized after actual production data is collected, whereas a permanent installation must be sized based on projections that may prove inaccurate.
Engineering support: Quality providers of industrial flare systems offer engineering documentation for both permanent and rental equipment. Operators should verify that any unit deployed comes with the calculations needed to demonstrate regulatory compliance at the installed site.
The Hybrid Approach
Some scenarios warrant a hybrid strategy: rent immediately to meet a pressing need, collect operational data, then right-size and design a permanent installation based on real performance rather than projections. This reduces the risk of permanent system oversizing while ensuring no production delay waiting for a full construction cycle.
Both permanent and rental solutions have a legitimate place in an operator combustion management toolkit. The key is matching the solution type to the actual production timeline and capital situation rather than defaulting to one approach regardless of context.

Martin Evans is a tech specialist with 10+ years of experience in software engineering, data analytics and digital transformation. He currently works as Senior Software Engineer for a leading IT solutions company in England. Martin has a passion for programming and loves staying up to date with the latest technology trends. He specializes in developing custom software solutions and is experienced with everything from front end to back end engineering practices.
