Why Some Alberta Oil Gets Mined Like Coal

Why some Alberta oil gets mined like coal. In Alberta's oil sands, a shovel loads oil bearing sand into a haul truck because the bitumen in it is too resistant to flow out of the cold ground. Shallow deposits are dug and separated with heated water. Deeper ones, about 80 per cent of the province's recoverable bitumen reserves, are reached by wells and steam. This is the documented story of one truckload and the two problems inside it: reaching the oil, and making it move. Karl Clark's experiments of the 1920s, the first commercial mine of 1967 and its winter failures, the 75 metre line, the steam methods below it, and the tunnels where steam drainage was tested from beneath the oil. In this video: A shovel loads oil bearing sand into a haul truck; the resemblance to coal is the excavation, not the material Most of the load is mineral; the valuable part is bitumen, a heavy crude oil among the grains, with water and clay The oil formed in other rocks of western Canada's sedimentary basin and migrated into the sands; microbes consumed its lighter components; Debra Higley and colleagues, 2009 Karl Clark in the 1920s: a test plant in the basement of the University of Alberta's power plant, a larger one at the Dunvegan railway yards; heat, water and controlled mixing Separation today: crushed oil sand and heated water in a pipeline slurry; air bubbles carry bitumen into a froth; more stirring does not make cleaner oil Froth treatment, dilution and upgrading: getting oil out of sand and making gasoline are separate jobs 1967: the Great Canadian Oil Sands plant; bucket wheel excavators and conveyors; broken teeth, frozen chunks and damaged belts; Bert MacKay's first set of teeth replaced within 48 hours; George Skulsky's boiler failure in the cold and months of repairs 75 metres: shallower deposits can be surface mined, deeper ones are recovered through wells; about 80 per cent of recoverable bitumen reserves lie too deep to mine; in 2025 the mines still supplied nearly half of Alberta's raw bitumen production Cyclic steam stimulation: one well; steam, soak, produce, repeat; Imperial at Cold Lake in the sixties and seventies Steam assisted gravity drainage: two horizontal wells about 5 metres apart, steam above, drainage below; Cenovus places its wells from core samples and seismic information The Underground Test Facility, 1987, north of Fort McMurray: shafts more than 200 metres down to tunnels in limestone, wells drilled upward into the oil sand; Roger Butler's method Produced water reused; caprock, old wells and pressure limits; tailings that take decades to settle; process water carrying salts, metals and organic compounds, by Environment and Climate Change Canada Key figures: 75 metres; about 80 per cent of recoverable bitumen reserves; nearly half of raw bitumen production from mines in 2025; about 5 metres between SAGD wells. Timeline: 1923, 1967, 1987, 2000, 2009, 2025. Watch next:    • Sudbury's Crater Is Hard to See. Its Mines...   Sudbury's Crater Is Hard to See: the crater that is hard to see, and the mines whose positions give it away    • Quebec Built a Dam. It Turned a Crater's C...   Quebec Built a Dam: the dam that turned a crater's centre into an island, and the two lakes it joined into a ring Chapters: 0:00 The shovel and the truck 0:47 What falls from the shovel 1:51 Viscosity 2:11 A long history underground 3:34 Karl Clark's plants 4:17 Slurry, bubbles and froth 5:22 Froth treatment, dilution and upgrading 6:34 An Alberta winter 7:39 Truck and shovel 8:25 The 75 metre line 9:46 Cyclic steam stimulation 10:28 Steam assisted gravity drainage 12:38 The Underground Test Facility 13:34 Produced water and caprock 15:06 Tailings 16:07 The ledger Every claim in this video is drawn from the documented record: the Alberta Energy Regulator's oil sands, in situ recovery and EnerFAQs pages; the Government of Alberta's Oil Sands 101; Alberta's Energy Heritage on Karl Clark, hot water separation, the Great Canadian Oil Sands plant, Cold Lake and the Underground Test Facility; Higley and others, AAPG Bulletin, 2009; the National Energy Board, 2000; the Canada Energy Regulator, 2022; Dan Healing, The Canadian Press, 2017; Cenovus and Imperial on their own operations; Environment and Climate Change Canada on oil sands mining effluent. The 80 per cent is a share of recoverable reserves, not of land or production. Living persons are described by their published work and the official record only. Subscribe and turn on notifications. Tell us in the comments: which part of this process should be tested against field evidence next, the separation plant, the underground heating, or what remains after extraction? #Alberta #OilSands #Bitumen #Mining #Canada #Geography #FortMcMurray #ColdLake #Steam #Tailings