TL;DR: High Integrity Pressure Protection Systems (HIPPS) prevent overpressure events before they happen, rather than managing them after the fact through flaring or venting. As Canada tightens methane and flaring regulations, HIPPS offers oil and gas facilities a way to reduce emissions, protect equipment, and stay ahead of compliance requirements, all while improving safety on site.
Pressure management has always been a balancing act for oil and gas facilities. When a vessel is at risk of overpressure, something has to give. Traditionally, that "something" has been a pressure safety valve (PSV) that releases process gas to a flare system or vents it directly to atmosphere. It works. It keeps people safe and equipment intact. But it also means hydrocarbons, methane, and CO2 end up somewhere they shouldn't: in the air.
As regulatory pressure around emissions continues to build across Canada, more facilities are looking at how they manage overpressure events in the first place. That's where High Integrity Pressure Protection Systems, or HIPPS, come in. Rather than mitigating an overpressure event after it starts, HIPPS is designed to stop the event from happening at all. That distinction matters more than it might initially seem, both for the environment and for a facility's bottom line
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A standard PSV setup is reactive by design. When pressure in a vessel climbs too high, the valve lifts, and the gas has somewhere to go: a flare stack or the open atmosphere. If it's burned at the flare, the process releases CO2 and other combustion byproducts, often inefficiently. If it's vented instead, methane, one of the most potent greenhouse gases, escapes directly into the atmosphere. And if the process involves an emulsion like bitumen, a facility may need an entirely separate system just to manage the spill-over.
HIPPS takes a different approach. It's engineered to detect rising pressure and shut down the process before it ever reaches a level that would require the PSV to lift. The vessel stays protected, the equipment stays intact, and the gas never needs to be expelled in the first place. Instead of managing the consequences of an overpressure event, HIPPS removes the event altogether.
This is a meaningful shift. A PSV paired with a flare system is still a form of risk mitigation; it reduces the severity of an incident so it doesn't become catastrophic. But the release still happens. HIPPS, on the other hand, acts as true prevention. There's no hydrocarbon release to manage, no flare gas to burn off, and no cleanup process to trigger.
HIPPS technology was originally developed in sub-sea applications (read more here) and was adopted into solutions on land in Europe first, where many processing facilities sit close to densely populated areas. In those settings, flaring or building redundant containment infrastructure isn't just impractical; it can be genuinely dangerous to nearby communities. European operators needed a way to prevent overpressure events from ever reaching the point of release, both for safety and for environmental reasons.
Canada's geography looks different. Much of our oil and gas infrastructure sits on remote, sparsely populated land, which has historically made flaring and venting a more viable option here than it would be in Europe. As Canada's regulatory landscape around emissions continues to evolve, the case for preventive technology like HIPPS is becoming harder to ignore, regardless of how remote a facility might be.
MICA Controls implemented HIPPS near Fort St. John, BC
Canada has set a national target to cut oil and gas methane emissions by at least 75% below 2012 levels by 2030, a commitment led by Environment and Climate Change Canada as part of the country's broader climate strategy. To meet that goal, the federal government has been tightening its Methane Regulations under the Canadian Environmental Protection Act, with updated requirements aimed at reducing venting, limiting flaring, and improving leak detection across upstream oil and gas operations.
Alberta, home to a large share of Canada's processing facilities, has its own methane and flaring framework. The Alberta Energy Regulator's Directive 060 sets out requirements for solution gas flaring, venting, and incineration, and the province maintains an equivalency agreement with the federal government to ensure provincial rules achieve comparable emissions outcomes. Operators are expected to reduce routine flaring and venting volumes, with continued scrutiny on facilities that rely heavily on these methods for pressure management.
The direction is clear even if the pace of change varies by jurisdiction: Canadian regulators are pushing operators toward solutions that prevent emissions at the source rather than simply managing them more efficiently once they occur. Facilities that build this thinking into their design now will have an easier path through future compliance updates than those that wait.
For a facility, upgrading to a HIPPS then means fewer emissions events to report, less process gas lost to flare or vapour release, and reduced wear on relief equipment that would otherwise cycle during pressure excursions. It also means fewer operational disruptions tied to managing the aftermath of a pressure event, from bitumen spill-over containment to flare system maintenance.
There's also a reputational dimension worth naming directly. Facilities that invest in preventive technology like HIPPS are better positioned to demonstrate environmental responsibility to regulators, communities, and investors alike. In a climate where emissions performance is increasingly scrutinized, that's a tangible advantage, not just a feel-good talking point.
HIPPS tends to make the most sense for facilities where overpressure events carry significant environmental, safety, or operational cost, including gas processing plants, compression facilities, chemical plants, methane abatement projects, and SAGD operations. If a facility already experiences frequent pressure excursions, or if it's preparing for tightening provincial or federal emissions requirements, HIPPS is worth serious consideration. Facilities with minimal flaring or venting activity may see a smaller relative benefit, though the safety case for HIPPS remains strong across nearly any high-pressure process environment.
MICA Controls has deep expertise implementing HIPPS across gas facilities, compression stations, chemical plants, methane abatement projects, and SAGD operations. If your facility is exploring how a HIPPS solution could improve both safety and emissions performance, MICA Controls' engineering team can help you assess the right approach for your site. Reach out to MICA Controls today to start the conversation.