Thermal vs Metallurgical Coal
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Transcript of Thermal vs Metallurgical Coal
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Platt’s 22nd Annual Coal Properties And
Investment Demand and Production of
Thermal and Met Coal
Palm Beach Gardens, FloridaMarch 17 – 18, 2014
Alan K. StaggStagg Resource Consultants, Inc.
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U.S Metallurgical Coal – An Industry
Sector In Transition Palm Beach Gardens, Florida
March 17, 2014
Alan K. StaggStagg Resource Consultants, Inc.
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Background
All That Glitters Is Not Gold
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Background
All That’s Black Is Not Met Coal
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Background
Two Basic Types of CoalAgglomeratingNon-Agglomerating
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Background
Agglomerating“Coal that, during volatile matter
determinations, produces either an agglomerate button capable of supporting a 500-gram weight without pulverizing, or a button showing swelling or cell structure.”(USGS Circular 891)
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Background
Coking coals are thus those that pass through a plastic state when heated and fuse into an amorphous material that is predominantly carbon.
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Background
Resultant coke requires certain characteristics for use in blast furnacesStrength (resists crushing)Lack of impurities
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Background
These characteristics are, in large part, a function of the coal’s rank.
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Background
Specific characteristics of individual coals affect the blending and coking process
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Background
Coal’s rank is basically defined by carbon and heat content.
As rank increases, carbon content increases and volatile matter content decreases.
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Background
Ranking SystemLignite (non-agglomerating)Subbituminous (non-agglomerating)Bituminous (agglomerating)Anthracite (non-agglomerating)
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Background
BituminousHigh-volatileMedium-volatileLow-volatile
Subcategories and grades occur within these broad categories.
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Background
Key determinants in establishing rankTemperaturePressure
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Background
Key drivers influencing these determinantsDepth of burialAge
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UNITED STATES COAL FIELDS
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(Agglomerating, That Is)
Where The Coal Is
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Regional Overview
Central Appalachian Region
Northern Appalachian Region
Southern Appalachian Region
Western Interior Region
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Central Appalachian Region
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Central Appalachian Region
Good news – well established source of high-quality metallurgical coal with long mining history.
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Central Appalachian Region
Bad news – well established source of high-quality metallurgical coal with long mining history.
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Central Appalachian Region
As a result -Surface and near-subsurface
reserves heavily mined.Both surface and underground
mining methods.Result - scattered smaller blocks
left for the most part.
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Central Appalachian Region
Summing it up – two types of coal remain –Thin and cleanThick and dirty
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Central Appalachian Region
Other factors -Substantial portion of production
requires long transportation distances to reach preparation plant
Geology increasingly becoming an issue
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Central Appalachian Region
Low-Vol Belt – West VirginiaRelatively narrow belt at surface
and in near-subsurface.Pocahontas Formation pinches
out to northwest – no deep potential.
No substantial new production likely.
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Central Appalachian Region
Low-Vol Belt - VirginiaDeep reserves remain in Buchanan
and Tazewell Counties.Primary Producer is CONSOL
Energy’s Buchanan Mine.
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Central Appalachian Region
Mid-Vol Belt –Substantial reserve depletion in
both West Virginia and Virginia.Production used to “sweeten”
high-vol coals, bring volatile matter content down.
No substantial new production likely.
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Central Appalachian Region
High-Vol Belt –Production historically able to move
between met coal and high-quality thermal coal in both West Virginia and Virginia, dependent on market conditions.
High mining costs and low thermal coal prices precluding this as an option.
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Central Appalachian Region
High-Vol Belt –Significant reserve depletion in
both West Virginia and Virginia.Has experienced substantial mine
idling and closure.No substantial new production
likely.
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Central Appalachian Region
High-Vol Belt – KentuckyMarginal met coal along much of
southeastern edge of coal field within the state.
No substantial new production likely.
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Northern Appalachian Region
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Northern Appalachian Region
Region contains much thinner section of coal beds than in Central App.
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Northern Appalachian Region
Deposited on broad shelf area and did not have deep burial as in Central App.
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Northern Appalachian Region
Generally higher sulfur coals, which affects use in coke making.
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Northern Appalachian Region
Area has history of met coal production, particularly from Pittsburgh bed in western Pennsylvania.
In recent decades dominant use has been as thermal coal.
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Northern Appalachian Region
Mid and low-vol belt -Relatively narrow.Increased rank a function of
location along eastern margin of coal field adjacent to Ridge and Valley province.
Several producers but no significant increase in production likely.
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Northern Appalachian Region
High-vol belt –Modest production from existing
producers.
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Northern Appalachian Region
High-vol belt –New high-vol production –Pittsburgh coal – CONSOL
Energy’s Bailey Mine in western Pennsylvania.Lower Kittaning coal - Arch Coal’s
Leer Mine in northern West Virgina.
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Southern Appalachian Region
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Southern Appalachian Region
Warrior FieldLong history of mining by both
surface and underground methods.
Coal ranges from low- to high-volatile.
Significant reserve depletion because of extensive mining history.
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Southern Appalachian Region
Warrior FieldSignificant metallurgical coal
production currently from Walter Energy’s Blue Creek Mines and from Cliff’s Natural Resources’ Oak Grove Mine.
Both produce a low- to medium-volatile product.
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Southern Appalachian Region
Warrior FieldNew production planned from
Walter Energy’s Blue Creek Energy project north of its existing mine complex.
Likely will produce a medium-volatile product from longwalloperation at depth.
Development currently curtailed because of market conditions.
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Southern Appalachian Region
Cahaba FieldLong history of mining dating
back to Civil War days.Underground mining in early to
mid-Twentieth Century.
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Southern Appalachian Region
Cahaba FieldExtensive surface mining in
1960’s.Underground mining in 1990’s for
thermal coal.Renewed interest in high-vol
metallurgical potential.
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Southern Appalachian Region
Cahaba FieldNew production currently in
development phase.Underground and highwall mining
at Jessie Creek Mining’s operations.
Extensive exploration program and feasibility studies being conducted at Kodiak Mining Company’s holdings.
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Western Interior Region
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Western Interior Region
Arkoma Basin – Oklahoma and ArkansasDeep structural basin.Target coal bed is Hartshorne.Produces low- to medium-volatile
product.
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Western Interior Region
Arkoma Basin – Oklahoma and ArkansasGeologically complexHigh methane content.
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Western Interior Region
Arkoma Basin – Oklahoma and ArkansasNew production in development /
planning stage.Ouro Mining, Inc.Paringa Resources, LimitedTexas & Oklahoma Coal Company
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New Production Recap
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Alan K. Stagg, PG, CMAStagg Resource Consultants, Inc.5457 Big Tyler RoadCross Lanes, WV 25313
(304) 776-6660