Not every emissions savings opportunity starts with a leak. Sometimes, it starts with a compressor doing more work than the process requires.
In the fifth episode of Detechtion’s Know Pressure: Your Guide to Compressor Fleet Management webinar series, we looked at how compressor optimization connects to emissions performance. The discussion focused on how operators can identify compression inefficiencies that affect fuel use and emissions while keeping production needs at the center.
Key Takeaways:
- Compressor emissions often start with fuel gas use.
- Unnecessary compressor load can increase emissions impact.
- Compressor optimization can reduce emissions impact without reducing production.
Start With Where Compressor Emissions Come From
Emissions can come from several sources across a compression facility. During the webinar, we discussed compressor emissions tied to engine combustion, venting, blowdowns, rod packing, crankcase sources, and flaring.
For compressor optimization, one of the most important sources to understand is stationary combustion from gas-driven engines. When a compressor requires more horsepower to move gas, the driver typically requires more fuel gas. That fuel use can contribute to reported emissions, which means changes in compressor load may also change the emissions picture.
That is why emissions optimization is not only an environmental or regulatory discussion, but also an operational discussion. If a compressor is doing more work than the process requires, that extra work may show up as higher fuel use, higher operating cost, and higher emissions impact.
Look at Fuel Gas Savings as More Than an Operating Cost
The case study we discussed during the webinar started with a two-stage compressor that was bypassing gas nearly 100% of the time to maintain process pressure between stages. The compressor unit was still maintaining production, but it was also doing excess compression work.
In the original case, the compressor was electrically driven, so the opportunity was measured as power savings. Detechtion evaluated several configuration options and identified a change that reduced bypass gas and lowered the power required to move the same gas while maintaining production and process pressure.
Next, we looked at that same opportunity through the lens of a gas-driven compressor. If reducing load lowers the horsepower required by the unit, that can reduce fuel gas consumption. At that point, the value of the optimization opportunity is no longer limited to energy or fuel savings alone. It may also have emissions implications.
Connect Lower Fuel Use to Emissions-Related Savings
The financial value of emissions reduction depends on the facility, the applicable regulation, and where the operation sits relative to its emissions threshold or benchmark.
During the webinar, we discussed two examples: the Waste Emissions Charge in the United States and the TIER framework in Alberta. While the details differ, both examples show why emissions-related savings can become part of the larger business case for compressor optimization.
If a facility is above an applicable threshold or benchmark, reducing fuel gas use may help reduce emissions-related costs. If a facility is below that threshold, understanding fuel use and emissions impact still gives operators a clearer view of how much room they have before additional costs may apply.
The larger takeaway is that compressor optimization can help teams evaluate savings more completely. A project that reduces unnecessary load may lower fuel gas consumption, reduce emissions impact, and support performance goals without requiring production to be sacrificed.
Turn Compressor Optimization Into Measurable Savings
Fuel gas savings and emissions savings are not always obvious from day-to-day operating data. A compressor may appear to be running normally while still doing more work than the process requires.
That is why the process starts with better visibility into the compressor’s current configuration, operating conditions, and performance. For example, in the case study we discussed, Detechtion used ongoing monitoring and analysis to evaluate the current operating state, identify inefficiency, compare configuration options, and determine which change could reduce load while maintaining production.
If you missed the live session, you can watch on-demand here:
Jump to a Topic:
- Why emissions matter in compression operations (3:30)
- Common emissions sources on a compressor skid (4:50)
- Why emissions optimization has financial implications (7:40)
- Waste Emissions Charge overview for U.S. operations (11:10)
- How Alberta’s TIER framework applies to compressor emissions (15:55)
- Case study: reducing bypass gas and power consumption (18:35)
- How fuel gas savings can become emissions savings (22:15)
- Key takeaways for emissions-focused compressor optimization (26:50)
Find Hidden Emissions Savings in Your Compressor Data
Emissions savings often start with a clearer understanding of where a compressor is doing more work than the process requires.
At Detechtion, we help operators use compressor data, performance analysis, and simulation to identify optimization opportunities that may otherwise go unnoticed. Our Compression Optimization Suite helps teams evaluate compressor performance, reduce unnecessary work, and make more informed decisions across the fleet.
For a broader look at strategies to reduce emissions while maintaining compressor performance, read Chapter 5 of our Complete Guide to Compressor Fleet Management.
