Aspenleaf Energy vice-president of wells Ron Weber at a clean-up site near Edmonton.

From the Canadian Energy Centre

By Deborah Jaremko

Aspenleaf Energy brings new life to historic Alberta oil field while cleaning up the past

In Alberta’s oil patch, some companies are going beyond their obligations to clean up inactive wells.

Aspenleaf Energy operates in the historic Leduc oil field, where drilling and production peaked in the 1950s.

In the last seven years, the privately-held company has spent more than $40 million on abandonment and reclamation, which it reports is significantly more than the minimum required by the Alberta Energy Regulator (AER).

CEO Bryan Gould sees reclaiming the legacy assets as like paying down a debt.

“To me, it’s not a giant bill for us to pay to accelerate the closure and it builds our reputation with the community, which then paves the way for investment and community support for the things we need to do,” he said.

“It just makes business sense to us.”

Aspenleaf, which says it has decommissioned two-thirds of its inactive wells in the Leduc area, isn’t alone in going beyond the requirements.

Producers in Alberta exceeded the AER’s minimum closure spend in both years of available data since the program was introduced in 2022.

That year, the industry-wide closure spend requirement was set at $422 million, but producers spent more than $696 million, according to the AER.

In 2023, companies spent nearly $770 million against a requirement of $700 million.

Alberta’s number of inactive wells is trending downward. The AER’s most recent report shows about 76,000 inactive wells in the province, down from roughly 92,000 in 2021.

In the Leduc field, new development techniques will make future cleanup easier and less costly, Gould said.

That’s because horizontal drilling allows several wells, each up to seven kilometres long, to originate from the same surface site.

“Historically, Leduc would have been developed with many, many sites with single vertical wells,” Gould said.

“This is why the remediation going back is so cumbersome. If you looked at it today, all that would have been centralized in one pad.

“Going forward, the environmental footprint is dramatically reduced compared to what it was.”

During and immediately after a well abandonment for Aspenleaf Energy near Edmonton. Photos for the Canadian Energy Centre

Gould said horizontal drilling and hydraulic fracturing give the field better economics, extending the life of a mature asset.

“We can drill more wells, we can recover more oil and we can pay higher royalties and higher taxes to the province,” he said.

Aspenleaf has also drilled about 3,700 test holes to assess how much soil needs cleanup. The company plans a pilot project to demonstrate a method that would reduce the amount of digging and landfilling of old underground materials while ensuring the land is productive and viable for use.

Crew at work on a well abandonment for Aspenleaf Energy near Edmonton. Photo for the Canadian Energy Centre

“We did a lot of sampling, and for the most part what we can show is what was buried in the ground by previous operators historically has not moved anywhere over 70 years and has had no impact to waterways and topography with lush forestry and productive agriculture thriving directly above and adjacent to those sampled areas,” he said.

At current rates of about 15,000 barrels per day, Aspenleaf sees a long runway of future production for the next decade or longer.

Revitalizing the historic field while cleaning up legacy assets is key to the company’s strategy.

“We believe we can extract more of the resource, which belongs to the people of Alberta,” Gould said.

“We make money for our investors, and the people of the province are much further ahead.”

From the Canadian Energy Centre

By Will Gibson

“The refining industry wants heavy oil. We are actually in a shortage of heavy oil globally right now, and you can see that in the prices”

Once priced at a steep discount to its lighter, sweeter counterparts, Canadian oil has earned growing admiration—and market share—among new customers in Asia.

Canada’s oil exports are primarily “heavy” oil from the Alberta oil sands, compared to oil from more conventional “light” plays like the Permian Basin in the U.S.

One way to think of it is that heavy oil is thick and does not flow easily, while light oil is thin and flows freely, like fudge compared to apple juice.

“The refining industry wants heavy oil. We are actually in a shortage of heavy oil globally right now, and you can see that in the prices,” said Susan Bell, senior vice-president of downstream research with Rystad Energy.

A narrowing price gap

Alberta’s heavy oil producers generally receive a lower price than light oil producers, partly a result of different crude quality but mainly because of the cost of transportation, according to S&P Global.

The “differential” between Western Canadian Select (WCS) and West Texas Intermediate (WTI) blew out to nearly US$50 per barrel in 2018 because of pipeline bottlenecks, forcing Alberta to step in and cut production.

So far this year, the differential has narrowed to as little as US$10 per barrel, averaging around US$12, according to GLJ Petroleum Consultants.

“The differential between WCS and WTI is the narrowest I’ve seen in three decades working in the industry,” Bell said.

Trans Mountain Expansion opens the door to Asia

Oil tanker docked at the Westridge Marine Terminal in Burnaby, B.C. Photo courtesy Trans Mountain Corporation

The price boost is thanks to the Trans Mountain expansion, which opened a new gateway to Asia in May 2024 by nearly tripling the pipeline’s capacity.

This helps fill the supply void left by other major regions that export heavy oil – Venezuela and Mexico – where production is declining or unsteady.

Canadian oil exports outside the United States reached a record 525,000 barrels per day in July 2025, the latest month of data available from the Canada Energy Regulator.

China leads Asian buyers since the expansion went into service, along with Japan, Brunei and Singapore, Bloomberg reports. 

Asian refineries see opportunity in heavy oil

“What we are seeing now is a lot of refineries in the Asian market have been exposed long enough to WCS and now are comfortable with taking on regular shipments,” Bell said.

Kevin Birn, chief analyst for Canadian oil markets at S&P Global, said rising demand for heavier crude in Asia comes from refineries expanding capacity to process it and capture more value from lower-cost feedstocks.

“They’ve invested in capital improvements on the front end to convert heavier oils into more valuable refined products,” said Birn, who also heads S&P’s Center of Emissions Excellence.

Refiners in the U.S. Gulf Coast and Midwest made similar investments over the past 40 years to capitalize on supply from Latin America and the oil sands, he said.

While oil sands output has grown, supplies from Latin America have declined.

Mexico’s state oil company, Pemex, reports it produced roughly 1.6 million barrels per day in the second quarter of 2025, a steep drop from 2.3 million in 2015 and 2.6 million in 2010.

Meanwhile, Venezuela’s oil production, which was nearly 2.9 million barrels per day in 2010, was just 965,000 barrels per day this September, according to OPEC.

The case for more Canadian pipelines

Worker at an oil sands SAGD processing facility in northern Alberta. Photo courtesy Strathcona Resources

“The growth in heavy demand, and decline of other sources of heavy supply has contributed to a tighter market for heavy oil and narrower spreads,” Birn said.

Even the International Energy Agency, known for its bearish projections of future oil demand, sees rising global use of extra-heavy oil through 2050.

The chief impediments to Canada building new pipelines to meet the demand are political rather than market-based, said both Bell and Birn.

“There is absolutely a business case for a second pipeline to tidewater,” Bell said.

“The challenge is other hurdles limiting the growth in the industry, including legislation such as the tanker ban or the oil and gas emissions cap.”

A strategic choice for Canada

Because Alberta’s oil sands will continue a steady, reliable and low-cost supply of heavy oil into the future, Birn said policymakers and Canadians have options.

“Canada needs to ask itself whether to continue to expand pipeline capacity south to the United States or to access global markets itself, which would bring more competition for its products.”