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'The potential is absolutely huge': Watch out America, Canada is the next frontier for shale oil.

Canadian producers and global oil majors are increasingly exploring the Duvernay and Montney formations, which they say could rival the most prolific U.S. shale fields

CALGARY — The revolution in U.S. shale oil has battered Canada’s energy industry in recent years, ending two decades of rapid expansion and job creation in the nation’s vast oilsands.

Now Canada is looking to its own shale fields to repair the economic damage.

Canadian producers and global oil majors are increasingly exploring the Duvernay and Montney formations, which they say could rival the most prolific U.S. shale fields.

Canada is the first country outside the United States to see large-scale development of shale resources, which already account for 8 per cent of total Canadian oil output. China, Russia and Argentina also have ample shale reserves but have yet to overcome the obstacles to full commercial development.

Canada, by contrast, offers many of the same advantages that allowed oil firms to launch the shale revolution in the United States: numerous private energy firms with appetite for risk; deep capital markets; infrastructure to transport oil; low population in regions that contain shale reserves; and plentiful water to pump into shale wells.

Together, the Duvernay and Montney formations in Canada hold marketable resources estimated at 500 trillion cubic feet of natural gas, 20 billion barrels of natural gas liquids and 4.5 billion barrels of oil, according to the National Energy Board, a Canadian regulator.

“The Montney is thought to have about half the recoverable resources of the whole oilsands region, so it’s formidable,” Marty Proctor, chief executive of Calgary-based Seven Generations Energy, told Reuters in an interview.

Canada’s shale output stands at about 335,000 bpd, according to energy consultants Wood Mackenzie, which forecasts output should grow to 420,000 bpd in a decade. The pace of output growth could quicken and the estimated size of the resources could rise as activity picks up and knowledge of the fields improves, according to the Canadian Association of Petroleum Producers.

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Seven Generations and Encana Corp, also based in Calgary, are among leading producers developing the two regions. Global majors including Royal Dutch Shell and ConocoPhillips — who pulled back from the oilsands last year — are also developing Canadian shale assets.

Chevron Corp announced its first ever Canadian shale development in the Duvernay in November. Spokesman Leif Sollid called it one of the most promising shale opportunities in North America. ConocoPhillips sees potential for the Montney to deliver significant production and cash flow to the company, executive vice president of production drilling and projects Al Hirshberg said in November.

Shell will invest more money this year in the Duvernay than any other shale field except the Permian Basin in West Texas, the most productive U.S. shale play, spokesman Cameron Yost said.

“We may learn something in the Permian that becomes applicable in the Montney, and vice versa,” Yost said.

Seven Generations Energy is among the leading producers developing Canada’s Duvernay and Montney formations.

The oilsands boom dates back two decades, when improved technology, rising crude prices and fears of global oil shortages sparked a rush to develop the world’s third-largest reserves. But in the last five years, much of that investment has migrated south as U.S. shale firms pioneered new drilling techniques and flooded global oil markets with cheaper-to-produce crude.

The oilsands currently account for two-thirds of Canada’s 4.2 million barrels per day of crude. They will continue to contribute heavily to Canada’s energy output because oilsands projects, once built, produce for decades.

But the era of oilsands mega-projects will likely end with Suncor Energy’s 190,000 barrel-per-day Fort Hills mining project, which started producing this month.

Canadian energy officials are now counting on shale, also known as “tight” oil, to lure new investment.

“Increasingly we are going to see light tight oil and liquids-rich natural gas forming a key part of Alberta’s energy future,” said Margaret McCuaig-Boyd, energy minister for the province where the oilsands and much of the nation’s shale reserves are located.

A FUTURE IN FRACKING

Oilsands development drove Alberta’s economic growth at a rate of 5.5 per cent annually between 2010 and 2014, about twice the national rate. But the oil price crash in 2014 sent the region into a recession and has since prompted producers to scrap at least US$32 billion in planned projects.

Oilsands capital spending fell for a third straight year in 2017 while other oil and gas investment rose 40 per cent from 2016 to about $31 billion, according to the Canadian Association of Petroleum Producers. Spending outside the oilsands is expected to grow again this year to $33 billion, nearly three times the amount predicted for oilsands investment.

An oil worker holds raw sand bitumen near Fort McMurray, Alberta.

Hydraulic fracturing of shale oil and gas can yield quicker returns on smaller investments than extracting tar-like bitumen from the oilsands. Shale production is also less carbon-intensive, addressing a major concern among international investors reluctant to finance what environmental groups deride as the “tar sands.”

“The last decade has been dominated by conversations about the oilsands, and people have maybe missed the opportunities” in shale fields, Encana Chief Executive Doug Suttles told a conference in British Columbia in November. “All these things have a much lower carbon footprint than the average barrel refined today.”

‘ABSOLUTELY HUGE’ POTENTIAL

The Duvernay in central Alberta is a shale play, while the Montney, straddling northern Alberta and British Columbia, is technically a formation of siltstone, a more porous rock. Drilling and extraction techniques are the same, however, and many in the industry use the term shale for both.

Drillers face challenges in both fields because of their distance from key markets, but the high potential of their reserves is unquestioned.

The Duvernay is comparable to the Eagle Ford shale field in South Texas. The Montney is unique, with its enormous gas resources and extremely thick rock formation containing several different levels at which oil and gas can be drilled, said Mike Johnson, technical leader of hydrocarbon resources for the National Energy Board.

Weak prices in an oversupplied natural gas market have hampered development, along with added costs of shipping from the far-flung fields and limited capacity on pipelines. That makes it harder to compete with producers in shale gas plays such as the Marcellus in the northeastern United States.

Meanwhile, proposed Canadian liquefied natural gas export terminals on the west coast, which were expected to provide a huge source of demand, have been canceled or stalled due to weak prices.

Such obstacles, however, have not stopped producers from staking claims in the region. Last year, Alberta oil and gas land sale prices reached levels not seen since 2014 because of a rush to buy land in the Duvernay East Shale Basin.

“The potential is absolutely huge,” said Mark Salkeld, president of the Petroleum Services Association of Canada. “The only thing holding us back is access to market and the cost.”