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Natural gas flaring and venting systems on offshore platforms and in oil extraction serve to burn off waste gas, excess gases, and as a safety means.
Offshore Platforms On offshore production platforms, when natural gas is a byproduct, and the gas cannot be recovered or disposed of in any other manner, the gas is flared or burnt off.
Oil Refineries and Chemical Plants At refineries, the facility may consist of a flare system with many branch lines connecting secondary process units to the main flare header. Atmospheric Storage Tank Vent Atmospheric storage tanks are large aboveground containers commonly used in oil and gas production, containing liquids of oil or gas condensate.
John A Lane says: I am conducting some research on platform flares and keen to have some data on the largest platform flare used offshore. December 7, at pm Reply. Khalid says: Thanks for the great info! June 21, at pm Reply. PetroEdge Asia says: Great article!
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A gas flare — also known as a flare stack — is a gas combustion device used in industrial plants such as petroleum refineries, chemical plants, and natural gas processing plants and at oil or gas production sites. By burning excess natural gas, flaring protects against the dangers of over-pressuring industrial equipment. Natural gas can be stored and transported instead of flared, but it is highly flammable.
Between and , there were significant safety incidents at natural gas transmission pipelines. These incidents led to 10 fatalities and 85 injuries. Transporting natural gas from a rig to homes and businesses is high risk and many companies choose flaring as the alternative.
One of the main reasons for gas flaring is the disposal and burning of natural gas as waste. Typically when there are large volumes of hydrogen sulfide in natural gas, it cannot be safely extracted. In some areas with lax monitoring and enforcement of regulations, adherence to flaring protocols is largely ignored by key oil and gas production players.
With the harmful effects of gas flaring on the environment, various economical alternatives have been introduced which involve using flare gas in other production processes. These gas flaring reduction methods are outlined below. Natural gas recovered from oil wells and landfill gases can be used to generate electricity.
There are various ways of converting flare gas to electricity which include:. Natural gas generated from oil and gas well can be injected into aged wells to restore dwindling natural formation pressure and maintain production outputs. This self-sustaining cycle is quite economical as waste generated is minimal and overall process efficiency is boosted. Natural gas is the main raw material employed in petrochemical production processes. Rather than flaring associated gas from oil and gas wells, the flare gas can be channeled into the production of syngas, ammonia, hydrogen fuel for cars, or the manufacture of rubber, glass, steel, and paint.
Liquefying and storing associated gas is a safer and economical alternative to gas flaring. Following purification processes, liquefied natural gas can be stored for use both on an industrial scale and domestically.
Compressed natural gas CNG refers to methane stored at high pressure. Methane derived from landfills and oil wells can be compressed at a pressure ranging between MPa and stored in cylinders. This gas flaring alternative can be used to power vehicles which run on natural gas engines.
GENERON is dedicated to providing all customers with access to technologies needed to optimize their industrial energy production processes. With our long-term experience in the oil and gas industry, we are uniquely positioned to effectively aid our partners. For more information about how we can help reduce flaring in the oil and gas sector, please contact our team today!
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