Coal and Petroleum Flashcards
Residue of non-combustible matter in coal
ash
Coal contains traces of this
iron and uranium
“Dehydrogenated plant fragments”
Macerals
Maceral maturity is estimated by
Vitrinite reflectance
Most common type of maceral? Made up of what?
Vitrinite maceral, cell wall material of plants
Maceral derived from waxy, spores, resins wc are resistant to weathering
Liptinite/exinite Macerals
Plant material strongly altered and degraded in the peat stage
inertinite Macerals
Land plants emerged during this time
Devonian period
Accumulation of coal occured during this
Carboniferous period
Fixed Carbon ____ while coal grade increases
Increases
Volatille matter ____ as coal rank increases
Decreases
Hydrogen ____ ascoal rank increases
Decreases
Oxygen content ____ as Coal rank increases
decreases
Lignite is used mostly for
Power generation
Sub-bituminous coal is used for this bc of its low S content
Power generation (also for Cement manufacture)
Bituminous coal is split into these two types
Metallurgical and thermal
Metallurgical bituminous coal is used for
Coke in Iron and steel manufacturings
Anthracite coal is used for
Domestic or Industrial smokeless fuel
Esimated Coal resource potential
2,370 MMT
Mineable reserve in the Phil.
200 MMT
2nd largest mineable reserves in the Phil
Samar-Leyte and South Mindoro
Anthracite coal heating value
nearly 15,000 Btu/lb
Bituminous coal heating value
10500-15500 Btu/lb
Sub-bituminous coal heating value
8300 to 13000 Btu/lb
Lignite heating value
4000 to 8300 Btu/lb
Carbon content of anthracite
86 to 98 %
Carbon content of Bituminous
45 - 86 %
Carbon content of Sub-bituminous
35 - 45%
Carbon content of Lignite
25-35%
Metallurgical coal also know as
Coking coal
Thermal coal also know as
Steam coal
used in manufacturing creosote oil, naphthalene, pheno, and benzene
Coal tar
Used in filters for water, air purification and in dialysis machines
Activated carbon
Top 5 coal producers
China, US, India, Australia, Indonesia
3 most important prospecting and exploration methods
Mapping, Drilling, Geophysical methods
2 commons types of drill used in coal explo
Rotary and diamond core
used to explore coal outcrops to get info on attitude and overburden nature
Dozer cutting
How are levels of cleaning differentiated w/ each other
The greater the ROM coal is crushed, the greater the liberation of impurities.
4 coal preparations steps in order
Characterization - Liberation - Separation - Disposition
Used to in Separation of ccoal and impurities
Gravity concentration, flotation for fine particles
Define Disposition
the handling and storage of coal products using slurries, dewatering, thermal dryer
Mine tailings dumps produce this
`AMD
These two blasting eqpt are always separated from each other
explosives and detonators
Profit Share of Coal operating contract
30/70, government/contractor
Taxes in Coal operating contract
exempted except for income tax
Coal exploration
2+2 years only
Coal development and production term
10-20 yrs + series of 3 yrs extension not exceeding 12 yrs
PD 1151 goal
EIA of all power and mining operators
DAO No. 14 series of 1993 requires this for coal
Sulfur content < 1%
OEA Cir. no. 89-08-09
To: All Holders of Coal Operating Contracts Under PD. No. 972, as amended (warns COC owners not to sub-contract areas for extraction)
BED CIRCULAR NO. 82-12-12
warns COC owners to do exploration properly
Amended Coal Development Act of 1976 or PD 972
PD 1174
Cost Recovery fo rCOC owners
90% of gross income
Bidding system for possible energy sources in Phil
Philippine Energy Contracting Round (PECR)
Department Circular No. DC 2010-03-0005
“Providing Additional Guidelines for a Transparent and Competitive System of Awarding Service/Operating Contracts for Coal and Petroleum Prospective Areas”
2nd largest source of coal in Phil
Surigao
3 largest phil coal import source
Indonesia, China, Vietnam
Largest coal powerplant in the Phil
Quezpn Power Phils.
PD No. 1152
provides tax exemptions for foreign and tax credits for domestic pollution control technologies
Term used for directly transporting mined coal to powerplant nearby
Mine-Mouth powerplant
Flue Gas Desulfurizer works by
Smoke is cleaned by wet scrubbingg
Philippine coal rank
Lignite to Bituminous, soft to dense
Philippine coal is formed during
Miocene age 23-25M yrs aho
Phil coal heating value
7000-12000
Three most popular coal cleaning technology in Phil
Electrostatic Precipitator, Circulating Fluidized Bed, andFlue Gas Desulfurization
Compressed block of coal dust
Briquette
Renewable Energy Act of 2008
RA No. 9513
Geothermal Service Contract Explo term
2 + 2
Geothermal Service Contract term
25+25yrs only
Ownership Foreign %
Up to 100% foreign
Two Largest Geothermal Powerplant in the Phil
Tongonan, Lete and Mt. Makiling Laguna
“Coal Mine Safety Rules and Regulations”
BED CIRCULAR NO.1, Series of 1978
IRR of PD 972
BED Circular No. 81-11-10
3 types of Coal mines
Drift, Slope, Shaft Coal mining
Other name for Room and Pillar
Bord and Pillar
3 Types of Coal Room and Pillar
Classic, Post, Step
Coal Cutting machine w/ a rotating drum w/ cutting bits
Shearer
2 Applicable conditions for Shearers
Hard coal and Irregular seam thickness
Emplys static set of cutting bits and is towed by motors
Plow
Shortwall mining panel length
< 400ft
Air velocity limit in coal mines
2.5 m/sec
Airtight duct in coal mining
Overcast
Define regulator
valves metering the amount of aairentering a section
Method to displace methane in coal strata
Water infusion
Borehole to drain methane after stope is mined
Gob hole
3 Dust control measure
Water spray, newer cutting bits, avoid cutting into wallrock
Principal mineral in most coal seams
Clays
How is Fixed Carbon created
removal of volatiles from organic by heat w/o combustion
What is Shale Parting orSplit coal and how does it form
thin bands of mud and silt incoal layers from periodic overflowing of banks
What are Wash-outs
the erosion of organic material and replacement with mud and sound
Advantage of RC drilling over rotary drilling
same speed but better sample acquisition
Recovery factor for surface Mines
85%
Recovery factor for Longwall mines
70%
Recovery factor for coal UG mining
50-80%
Explain Gasification of coal
conversion of coal into gas by using air-steam mixtures into coal gasifiers
Explain Liquiefaction
Conversion of coal into liquid fuels by liquefactiON
difference of shovel and backhoe
orientation of bucket wrt to body
What is Area Surface mining for coal
for coal w/ shallow overburden. coal is relatively plane
Applicability of Contour Mining or Mountain Top Removal
for non-plane, rolling, or mountainous terrain
Dominant mineral in arkoses
unweathered feldspars
Dominant comp of greywackes
lithic fragments and a clay matrix
Dominant comp of orthoquartzites
Detrital quartz
What is a sedimentary basin
depression formed by tectonic processesm flanked by high areas that shed detritus into the depression
3 geophysical reconnaissance method for petroleum
gravity, seismic, and magnetic
3 Field geology methods
Road mapping,, Coastal mapping, aerial recon
Drill to test the presence of petroleum reserve
Wildcat drilling
Muddy or clayey type of carbonate rock
Marl
Define Kerogen
organic matter intermediate to transformatino into petroleum hydrocarbon
Process of heat and pressure transforming OM into oil and gas
Maturation
What happens when Kerogen loses Hydrogen
Graphite
Characterisitics of Reservoir rocks
coarse-grained, porous and permeable rock
2 Rock types conducive for reservoir formatino
Sandstones and Carbonates
Most common strcutural trap for oil
Anticline
Petroleum desription
Made up of Carbon and Hydrogen or hydrocarbons
Liquid hydrocarbon is called
Crude oil
Solid hydrocarbon is called
tar and bitumen
Tar sands field in the Philippines
Balite, Leyte
Gas fields in the Philippines
Camago Gasfield Palawan, San Antonio Gas Field , Cagayan Valley