[Topic 5] Petroleum Industry Flashcards
The Latin meaning for petroleum.
rock oil
Petroleum is also called as _____.
crude oil
It is a volatile, viscous liquid that is usually black with a greenish tinge in color.
Petroleum
It is formed from organic matter of marine deposits after undergoing high heat and pressure with no oxygen.
Petroleum
True or False: Petroleum is a renewable resources.
False: Nonrenewable
The estimated years recorded in 1989 when all of the petroleum in the world is used up due to its intensive consumption per day.
40 years (approximately 2030)
Considered as the father of the oil industry.
Colonel Edwin L. Drake
First modern petroleum well drilled near Titusville, Pennsylvania.
1858
Invention of the gasoline engine
1885
Invention of the diesel engine
1892
Petroleum products utilized by the Wright brothers to take the first man-made flight.
1903
Development of the cracking process
1942
Deep-water drilling of oil became mainstream
1949
physical changes
Petroleum separation
chemical changes
Petroleum conversion
Composition of crude oil (2)
- Aliphatic compounds
- Ring compounds
Straight-chained hydrocarbons
Aliphatic compounds
ring-shaped, closed hydrocarbons and has higher boiling point
Ring compounds
Types of aliphatic compounds (3)
- N-paraffin series (alkanes)
- Iso-paraffin series (Iso-alkanes)
- Olefin series (alkenes)
It comprises the largest fraction of the crude oil.
N-paraffin series (alkanes)
Notable alkanes (2)
- hexane
- heptane
It is more desirable than n-paraffin but can only be formed from the refining process.
Iso-paraffin series (iso-alkanes)
Notable iso-alkanes (2)
- 2-methylpentane
- 2-methylhexane
It exists in very small quantities but mostly produced in the cracking process.
Olefin series (alkenes)
True or False: Olefin series or alkenes are desired because of their anti-knock properties.
True
Notable alkenes (3)
- Ethylene
- Propylene
- Butylene
Types of ring compounds (2)
- Naphthene series (cycloalkanes)
- Aromatic series (benzene)
Second most abundant compound found in crude oil.
Naphthene series (cycloalkanes)
It predominate in gas oils and lubricating oils.
Naphthene series (cycloalkanes)
Notable cycloalkanes (2)
- Dimethylcyclopentane
- Methylcyclohexane
Only small amounts are present in crude oil but are produced in the refining process.
Aromatic series (benzene)
It has high anti-knocking properties like olefins.
Aromatic series (benzene)
Notable benzenes (3)
- Benzene
- Toluene
- Xylene
Process of petroleum separation
Crude oil pumping > Desalter > Heater > Distillation column > stripper/condenser
Petroleum Products (3)
- Light distillates
- Intermediate distillates
- Heavy distillates
Light distillates (3)
- Gasoline
- Naphthas
- Kerosene
Intermediate distillates (2)
- Diesel
- Gas oil
Heavy distillates (3)
- Lubricating oil
- Waxes
- Asphalt
Temperature required for gasoline
20-70 degrees Celsius
Temperature required for naphthas
70-160 deg Cel
Temperature required for kerosene
160-250 deg cel
Temperature required for diesel and gas oil
250-350 deg cel
Temperature required for lubricating oil, waxes, and asphalt
350-370 deg cel
Located at the upper part of the distillation column and has low boiling points.
Light distillates
Located at the middle part of the distillation column and its boiling points are higher than light oils but lower than heavier oils.
Intermediate distillates
Located at the bottom part of the distillation column and has the highest boiling points, and not easily combustible.
Heavy distillates
It is considered as the most important petroleum product.
Gasoline
What is the critical measure used for gasoline.
Octane number
True or False: Gasoline’s sulfur content should only be 0.01%.
False: 0.1%
It refers to any light oil product having properties intermediate between gasoline and kerosene.
Naphthas
It is used as commercial solvent in paints or for dry cleaning.
Naphthas
It is commonly consumed as a fuel for illuminating purposes.
Kerosene
It is also used as fuel for jet engines due to its higher flash point and lower freezing point.
Kerosene
It is a special grade of gas oil that has become an important specialty in recent years.
Diesel
An essential factor of quality for diesel.
Viscosity
It is originally used to enriched artificial gas and presently used as a fuel or in the gasoline cracking process.
Gas oil
It reduces friction between moving metal parts.
Lubricating oil
Additives used to improved lubricating oil (3)
- antioxidants
- detergents
- antifoam compounds
It is called as paraffin wax for distinction.
Waxes
It is refined by separation through “sweating”, progressive crystallization, and finished with acid treatment.
Waxes
It is used as a paving or roofing material for waterproofing.
Asphalt
Methods to alter asphalt (2)
- heating
- partial oxidation
Methods for Petroleum conversion (5)
- Cracking
- Polymerization
- Alkylation
- Hydrogenation
- Isomerization
A process of converting large molecules into smaller ones by application of heat and/or catalyst.
Cracking
Charge stock for cracking
Gas oil
Temperature and pressure required in thermal cracking.
900-1100 deg F and 600-1000 psi
It uses aluminum silicates which lowers the pressure needed.
Catalytic cracking
True or False: Half of the total gasoline from crude oil is due to the cracking process.
True
Opposite of cracking where it is the binding of light molecules to each other.
Polymerization
Charge stock for polymerization
Olefins (unsaturated)
It attack the double bonds to lengthen the hydrocarbon chain.
Free radicals
It is a catalyst used in polymerization.
Solid phosphoric acid
It is an exothermic process that combines isoparaffins with olefins.
Alkylation
It relies on the reactivity of isobutane’s tertiary carbon.
Alkylation
It produces high-octane products
Alkylation
A high-octane product that is a mixture of saturated, stable isoparaffins.
Alkylates
It is a process where hydrogen is added to an unsaturated hydrocarbon under high pressure and temperature to produce a more fully saturated product.
Hydrogenation
charge stock for hydrogenation
heavy oils
A process where the structure of a compound is changed without altering the number of atoms.
Isomerization
It is mostly used to produce isobutane needed for alkylation.
Isomerization
A catalyst used in isomerization at temperature of 250 deg F and pressure of 300 psi, achieving 45-55% conversion.
Aluminum chloride (AlCl3)