«When you have the development
of oil sand deposits, there are vast landscapes that go on for miles that are barren and a lot of big lakes of toxic water that have been used in the process of extracting the oil,» said Jack Woodward, the lawyer representing them.
That's clearly false — only a small area
of the oil sands deposit — about 4,750 square kilometres, or 3 times the land area of Los Angeles — is mineable, with the remainder accessible only with in situ extraction or, in some cases, not recoverable at all with current technology.
The Alberta government has leased almost 100,000 square kilometers
of the oil sands deposit, so the potential certainly exists for an industrial project on the scale of England, if a little smaller.
Not exact matches
The costs to develop the
oil sands, a type
of unconventional petroleum
deposit, are much higher that developing conventional
oil deposits.
The land area
of Florida (170,000 km ²) and England (130,395 km ²) are similar to the land area under which lies Alberta's
oil sands deposits (140,000 km ²), so the implication is that, once these
deposits are all extracted, the land area will be disturbed.
His travels took him on a whirlwind sojourn, from the massive shale gas
deposit in the Marcellus Formation to Alberta's remote
oil sands region, helping his readers build life - changing wealth every step
of the way.
There is considerable variation in both the quality
of and the ease with which a resource
deposit can be extracted, so the most profitable strategy is to start with the high - quality, low - cost plays and, when these are exhausted, move on to
deposits that are
of lower quality and are more costly (think conventional
oil fields vs. the
oil sands).
Years after the 2010 Deepwater Horizon
Oil spill, oil continues to wash ashore as oil - soaked «sand patties,» persists in salt marshes abutting the Gulf of Mexico, and questions remain about how much oil has been deposited on the seaflo
Oil spill,
oil continues to wash ashore as oil - soaked «sand patties,» persists in salt marshes abutting the Gulf of Mexico, and questions remain about how much oil has been deposited on the seaflo
oil continues to wash ashore as
oil - soaked «sand patties,» persists in salt marshes abutting the Gulf of Mexico, and questions remain about how much oil has been deposited on the seaflo
oil - soaked «
sand patties,» persists in salt marshes abutting the Gulf
of Mexico, and questions remain about how much
oil has been deposited on the seaflo
oil has been
deposited on the seafloor.
The vast
oil -
sand deposits of Alberta are estimated to hold up to 170 billion barrels
of recoverable
oil, second only to Saudi Arabia.
In Canada, relatively shallow
oil sand deposits lie beneath a 1,500 - square - mile region just north
of Fort McMurray.
He and his colleagues found that over the course
of four months, 11,400 tons
of particulate matter — including bitumen and cancer - causing polycyclic aromatic compounds — were
deposited within 30 miles
of oil sands upgrading facilities belonging to two
of Canada's major
oil sands development companies, Suncor and Syncrude.
Bitumen is the very crude
oil extracted from Canada's enormous
deposits of oil sands.
Anyway its good news, add that to all
of the other known
deposits from
oil sands to Anwar and it should alleviate some
of the supply fears for much
of this century.
But on the Keystone XL pipeline — which, if not blocked by President Obama, would carry the crudest form
of oil from Canadian tar
sand deposits to Gulf Coast fuel refineries — it seems there's little room for varied stances, at least according to some protesters.
The greenhouse impact
of the
oil sands is also far less significant than some claims, particularly given the reality that
oil consumption rates are what matters — not the amount
of gigatons
of carbon sitting in
deposits of this sort in the ground.
But comparison
of the Athabaska
Oil Sands to an individual coal deposit isn't really fair, since there are only two major oil sands deposits (the other being in Venezuela) while coal deposits are widespre
Oil Sands to an individual coal
deposit isn't really fair, since there are only two major
oil sands deposits (the other being in Venezuela) while coal deposits are widespre
oil sands deposits (the other being in Venezuela) while coal
deposits are widespread.
At the very least, the protests have increased awareness
of the implications
of developing the
oil sands deposits.
In 2015, the legislature passed a moratorium intended to delay fracking while the state's Department
of Natural Resources studied whether fracking — a method
of oil and gas production that uses large amounts
of chemical - and
sand - laced water to break up shale gas below ground, releasing
deposits of fossil fuels.
Saskatchewan's
oil sands deposit is contained within the Mannville Group
of the Western Canadian Sedimentary Basin which was
deposited across B.C., Alberta, Saskatchewan, Manitoba and the US.
The boreal forests
of Alberta, Canada are home to vast
deposits of oil sands, also called tar
sands.
An international team
of researchers has shown how anaerobic microbes in
oil deposits around the world — including in unconventional sources such as the
oil sands — naturally break down crude
oil into methane in the reservoir.
Large
deposits of crude
oil called tar
sands are located in Alberta, Canada.
Outside the realm
of conventional
oil, the tar
sands of Alberta and the
oil shale
of the Western U.S. exist in huge
deposits, the exploitation
of which is currently costly and accompanied by major environmental difficulties, but both definitely hold promise for a substantial increases in
oil supply.
Vast amounts
of water and energy are needed to strip - mine and drill Canada's tar
sands deposits — a heavy black substance mixed with
sand and clay — and turn the extracted bitumen into usable crude
oil.
It could liquefy the vast
deposits of coal,
oil shale and tar
sands that were readily available in North America.
Bituminous
sands, colloquially known as
oil sands or tar
sands, are a type
of unconventional petroleum
deposit.
Critics say such spills raise questions about the safety and viability
of in situ extraction, which by 2020 is expected to account for as much as 40 per cent
of Canada's
oil sands production, because many
of Alberta's
deposits can not be mined.
Now that most
oil is produced off shore and other hostile environments, or from tar
sands or from newly - discovered
deposits at depths
of up to 35,000 feet below the surface, the EROEI
of oil production is now rarely as high as 20:1, and for new
oil fields much less.
Most recently, he completed a trek to the notorious Alberta tar
sands, which is the second largest
deposit of oil in the world.
Page 268, Section 4.3.1.4 Unconventional
oil, paragraph 4: Replace the last sentence
of the paragraph with «The known global tar
sand deposits represent at least 375 Gt
of stored carbon and will probably be added to as more are discovered.