Associated Petroleum Gas (APG) / Flare Gas
Unlock the energy potential of APG and flare gas to produce reliable on-site power and heat.
About APG / Flare Gas Power Generation
Associated Petroleum Gas (APG), often referred to as flare gas, is a natural gas by-product produced during crude oil extraction. In many oil-producing regions, APG is routinely flared or vented due to limited infrastructure, lack of gas export routes, or insufficient local demand.
Advances in distributed gas engine technology now allow APG and flare gas to be captured and used efficiently on-site for power generation and combined heat and power (CHP). By converting APG into usable electricity and heat, operators can significantly reduce flaring while improving overall energy efficiency.
APG power generation is particularly well suited to remote and off-grid oil and gas operations, where secure, continuous energy supply is critical to production, processing and auxiliary activities.
Benefits of APG / Flare Gas Power Generation
Using APG and flare gas as a fuel source delivers a range of operational, commercial and environmental benefits.
On-site power generation reduces energy costs by replacing diesel generation or imported electricity with a readily available by-product fuel. This improves cost predictability and reduces exposure to fuel price volatility.
Utilising APG enhances energy security, particularly in remote or infrastructure-constrained locations where grid access is limited or unreliable. Gas engine systems can operate continuously, supporting drilling, pumping, processing and other upstream loads.
From an environmental perspective, capturing and using APG and flare gas significantly reduces routine flaring and venting. This lowers greenhouse gas emissions, supports regulatory compliance and contributes to broader emissions reduction and decarbonisation objectives.
Discover More
APG and Flare Gas Characteristics
Gas Engine Power Generation Using APG and Flare Gas
Combined Heat and Power (CHP)
Operation in Remote and Off-Grid Locations
APG and Flare Gas Characteristics
Associated Petroleum Gas and flare gas vary in composition depending on reservoir characteristics, production methods and field maturity. Gas streams may be dry or wet and can contain varying proportions of methane, heavier hydrocarbons, carbon dioxide and inert gases. These variations influence system design, gas treatment requirements and engine configuration.
Gas Engine Power Generation Using APG and Flare Gas
Modern gas engines are well suited to APG and flare gas applications due to their ability to operate efficiently across a wide range of gas qualities and calorific values. Advanced engine management and combustion control systems enable stable operation despite fluctuations in gas composition over time.
Gas engine systems can be deployed in modular configurations, allowing installations to be scaled to match field development and changing energy demand. Electrical outputs typically range from several hundred kilowatts to multi-megawatt installations.
Combined Heat and Power (CHP)
When configured for CHP, APG engines generate electricity while recovering useful thermal energy in the form of hot water or steam. This heat can be used for process heating, crude treatment or other site requirements, significantly increasing overall system efficiency.
Operation in Remote and Off-Grid Locations
APG and flare gas power systems are commonly deployed in remote oil and gas fields where grid access is unavailable or unreliable. Gas engines require relatively low inlet gas pressure and offer rapid start-up and load response, making them well suited to dynamic upstream operating environments.
Frequently Asked Questions about APG / Flare Gas
Technical and Engineering
Can APG or flare gas be used directly for power generation?
Yes, many APG and flare gas streams can be used directly in gas engines. Depending on gas composition, some conditioning or engine adaptations may be required to ensure safe and reliable operation.
How do gas engines handle changes in flare gas quality?
Modern gas engines use advanced control systems that continuously adjust combustion parameters to maintain stable operation despite variations in gas composition and calorific value.
Is APG suitable for combined heat and power?
Yes, APG engines can be configured for CHP, enabling the simultaneous production of electricity and useful thermal energy for on-site processes.
Financial and Commercial
Does APG power generation reduce operating costs?
Yes, using APG or flare gas reduces reliance on diesel generation or imported electricity, improving cost predictability and lowering overall energy expenditure.
Are APG power systems commercially viable in remote locations?
Yes, on-site generation using APG is often commercially attractive in remote or off-grid locations where fuel logistics and grid access are limited.
Can APG power systems be scaled over time?
Yes, gas engine installations are modular and can be expanded or redeployed as field production levels and energy demand change.
Environmental and Sustainability
Does APG utilisation reduce flaring?
Yes, capturing and using APG directly reduces routine flaring and venting, lowering associated greenhouse gas emissions.
How does APG power generation support emissions reduction targets?
Replacing flaring and diesel generation with APG-based power delivers measurable reductions in greenhouse gas emissions.
Is APG utilisation aligned with regulatory and environmental requirements?
Yes, many jurisdictions actively encourage APG utilisation as part of flaring reduction and environmental compliance strategies.
Operational and Implementation
Are APG gas engines suitable for continuous operation?
Yes, gas engines are designed for continuous base-load operation in demanding upstream oil and gas environments.
Can APG power systems be deployed in remote oil fields?
Yes, APG and flare gas power systems are well suited to remote and off-grid locations with limited infrastructure.
What level of maintenance is required for APG gas engines?
Maintenance requirements are comparable to other industrial gas engine applications and are managed through planned service and maintenance regimes.
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