Coal companies are increasingly using this method because it allows for almost complete recovery
of coal seams while reducing the number of workers required to a fraction of what conventional methods require.
Coal companies in Appalachia are increasingly using this method because it allows for almost complete recovery
of coal seams while reducing the number of workers required to a fraction of what conventional methods require.
The Office of Water Science is leading the Australian Government's efforts to improve our understanding of the water - related impacts
of coal seam gas and large coal mining development.
Research integrity and governance in a contentious policy arena: The case study
of coal seam gas research in Australia Presenter: Naomi Smith Devetak, University of Queensland, Australia Co-authors: Deanna Kemp, University of Queensland, Australia; Carol Bond, University of Queensland, Australia
Research integrity and governance in a contentious policy arena: The case study
of coal seam gas research in Australia
Once Peabody was done mining a section
of coal seam at Vermilion Grove, the company put wire fencing against the ceiling to keep loose pieces of the shale roof from falling to the tunnel floor.
The «stuff on the bottom»
of a coal seam is the tail end of a glacial period, she said.
Brief remarks: Mr. Ben JARVIS, Senior Manager
of Coal Seam Gas Regulation, Department of Resources, Energy and Tourism, Australia
Not exact matches
Perth company Underground Services is targeting the
coal -
seam gas sector for further growth on the back
of already burgeoning revenue.
Strike Energy was one
of the few Australian stocks to end the day in positive territory, after drilling results intersected one
of the thickest
coal seams recorded to date in South Australia's Cooper
The unusually thick reservoir's pay zone is an extraordinary 30m, which is approximately six times larger than a typical Queensland
coal seam pay zone
of around 5m in thickness.
Coal seam gas usually taps out at around 700m due to pressure constraints at depth that prevent the removal of water from the coal s
Coal seam gas usually taps out at around 700m due to pressure constraints at depth that prevent the removal
of water from the
coal s
coal seam.
That deal allows Stanbroke to take control
of 40 QGC properties spread across the heart
of Queensland's
coal seam gas country, from west
of Chinchilla to south - west
of Dalby and help it secure supply
of cattle for its processing business.
The best available science informs the Australian Government's approach to managing the environmental impacts
of coal and
coal seam gas development.
Hydraulic fracturing, or fraccing, for
coal seam gas uses a host
of chemicals; however this type
of mining operation has operated on organic farms where the farmer and company have been able to negotiate suitable arrangements and not compromised the organic integrity
of the property.
NSW will cancel
coal seam gas exploration licences applications covering 43 per cent
of the state as part
of a new plan to regain community support for a few carefully vetted strategic projects.
The release
of Santos» formal response to the 23,000 submissions it received on its $ 3.6 billion Narrabri
coal seam gas project in NSW has spurred another wave
of protests.
The venture has been repeatedly delayed over several years amid changing state regulations for
coal seam gas and a lack
of capital to move forward after the collapse in oil prices.
The release
of Santos» formal response to the 23,000 submissions it received on its $ 3.6 billion Narrabri
coal seam gas project in NSW has s...
The sparring on energy was one
of the most heated exchanges in the debate with both candidates trying to attract economically minded voters along
coal seams, in oil patches and in industrial towns.
Some 300 metres beneath the plains east
of Tashkent, Stalin's engineers and their successors have been burning a
seam of brown
coal that can't be mined conventionally.
To the horror
of anyone concerned about climate change, modern miners want to set fire to these deep
coal seams and capture the gases this creates for industry and power generation.
Yes, it's true that many major banks invest in companies that engage in the environmentally destructive practice
of mountaintop removal (MTR)
coal mining, whereby the tops
of mountains are removed by explosives to expose thin
seams of recoverable
coal.
Groundwater can be another source
of sulfur in rivers when it comes in contact with underground
coal or pyrite
seams.
For decades the main industry was
coal, drawn from
seams that underlie much
of the region.
Momentum is growing worldwide to look closely at the idea, a 150 - year - old technique
of igniting
seams of coal deep under the ground to produce electrical power or chemicals.
Similar examples
of the federal government at work range from the creation
of an industry for producing natural gas from
coal seams to the ongoing Advanced Research Projects Agency — Energy (ARPA - E), a small - scale funding agency with outsized ambitions.
Another method for reducing methane emissions, whether underground or on tracks
of surface mining, lies in degasifying
coal seams prior to extraction.
These passages allowed the fire to spread to the
coal seam underneath the town and expand along four fronts, eventually affecting a surface area about two miles long and three - quarters
of a mile wide.
People have reported fires in
coal beds close to the earth's surface for thousands
of years — in fact, Australia's Burning Mountain, once thought to be a volcano, sits atop a
coal seam that has been on fire for some six millennia.
The discovery
of high levels
of helium in UK
coal seams could help scientists to monitor the secure recovery
of coal or shale gas from underground sites.
Re # 29 (yartrebo): Two points: First, upon further examination, I found that in fact credits are usually given for «
Coal Mine Methane» which is considered the subset
of «
Coal Bed Methane» that are in
seams meant to be mined.
The top map, produced during the Civil War, shows the «oil district»
of West Virginia, and includes locations
of oil and gas wells, as well as
coal seams.
She also has held senior project managerial positions on an oil refinery project in Thailand, a
coal seam gas to liquid natural gas plant in Queensland, Australia, and roles in construction field engineering on a variety
of nuclear power projects.
What I'd like to know is, taking all
of these factors into account, how much extra we, the consumers, will have to pay for a kilowatt - hour
of coal - fired electricity 5, 10, 20 and 30 years from now (a point in time which even WV's own Nick Rahall says will be when the most productive
coal seams have been mined out) because our leaders today decided to facilitate an increase in the consumption
of coal through the laughably mis - named «climate bill.»
Scientists think that carbon dioxide could potentially be stored in three types
of underground locations: depleted oil and gas fields, unminable
coal seams and briny aquifers.
A screenshot
of the Bureau
of Land Management's home page displays a photo
of a «large
coal seam at the Peabody North Antelope Rochelle Mine in Wyoming.»
Could there be something different about the local source material — ocean plankton producing one kind
of sediment exposed to the atmosphere, versus say peat bogs or
coal seams being washed out upstream and delivering locally derived material directly to the sediment beds?
Re: # 17 (Johnno): My understanding is that most
of the coalbed methane being extracted and burned is from
coal seams that are due to be mined in the next couple decades.
Re # 29 (yartrebo): Two points: First, upon further examination, I found that in fact credits are usually given for «
Coal Mine Methane» which is considered the subset
of «
Coal Bed Methane» that are in
seams meant to be mined.
Mining and ballads have gone together through the ages, from the early days
of coal extraction in Britain and Wales on through another standard I sing in Uncle Wade — Merle Travis's «Dark as a Dungeon» — and forward to Sting's tune «We Work the Black
Seam.»
He explained that an article I wrote in 2002 about fires, both natural and human caused, smoldering in
coal seams around the world, inspired him, while he was completing a doctorate at the University
of California, Berkeley, to switch from studying risks posed by smoldering combustion in spacecraft to those back on Earth.
Here's the take - home section
of the new paper, which uses the acronym MTM / VF for mountaintop mining and valley fill (the rock removed to expose
coal seams is pushed into adjacent valleys):
Here's a Dot Earth «Postcard» from the outback — specifically from the Bimblebox Nature Refuge, a 20,000 - acre patch
of drylands ecosystems in Queensland, Australia, whose owners are fighting a plan to mine surface and subterranean
coal seams to supply China's relentless needs.
The situation reminds me
of the uncontrolled fires burning in
coal seams from Australia to Pennsylvania, which in 2001 were estimated to be releasing hundreds
of millions
of tons
of carbon dioxide a year into the atmosphere.
Over 75 %
of the
coal in the deposit can be extracted from panels
of coal that can extend 3 km through the
coal seam.
Longwall mining involves the full extraction
of coal from a section
of the
seam, or «face» using mechanical shearers.
Question How long does it take citizen Smith to generate as much electric energy from a 1 - meter ^ 2 solar panel as she could generate by strip - mining one square meter
of her
coal -
seam?
A fan
of * MORE * discourse: Question How long does it take citizen Smith to generate as much electric energy from a 1 - meter ^ 2 solar panel as she could generate by strip - mining one square meter
of her
coal -
seam?
Billions
of tonnes
of carbon are held in
coal seams, sequestered from the atmosphere over millions
of years in a process that started in the carboniferous period several hundred million years ago.