Gas Turbine Engines, Design and Dynamic Performance

Schobeiri, Meinhard T.

doi:10.1007/3-540-26591-0_18

Turbomachinery Flow Physics and Dynamic Performance 2005

DOI: 10.1007/3-540-26591-0_18

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Gas Turbine Engines, Design and Dynamic Performance

Meinhard T. Schobeiri¹

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2018

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Fuel Economy and Emission Characteristics of a High Horsepower Natural Gas/Diesel Dual-Fuel Engine in Oil & Gas Operations

Wijesinghe

Meng

Colvin

et al. 2018

IADC/SPE Drilling Conference and Exhibition

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Oil & gas industry continuously seeks alternative ways to combine cleaner and lower cost gaseous fuel with diesel fuel as a diesel fuel supplement to reduce undesirable emissions and expensive fuel cost from these diesel engines. One substantially increasing technology is converting CI diesel engines to natural gas/diesel dual-fuel engines using a moderate engine modification. However, just how these modified engines perform in drilling operations is not well documented and require further assessment. Using advanced instrumentation designed for use at active drilling sites, fuel consumption, gaseous emissions, and soot in exhaust from a high-horsepower engine coupled to a generator were measured in both dual-fuel and diesel-only operation modes. Dual-fuel engines have the advantages of providing the same power as conventional diesel engines, producing lower amounts of emissions such as nitrogen oxides and soot, and cost saving through diesel displacement up to 50 %. In addition, the results show that the emissions from combustion of natural gas are very different from those of the diesel fuel it displaces. Co-combustion of the two fuels in a CI engine exhibits distinct emissions characteristics, with advantages in reduced oxides of nitrogen, carbon dioxide, and soot. Significant disadvantages were seen in emissions of non-combusted methane and formaldehyde. In some conditions, as much as 30% of the gas fuel was emitted unburned, significantly diminishing fuel efficiency and increasing greenhouse gas emission.

show abstract

Fuel Economy and Emission Characteristics of a High Horsepower Natural Gas/Diesel Dual-Fuel Engine in Oil & Gas Operations

Wijesinghe

Meng

Colvin

et al. 2018

IADC/SPE Drilling Conference and Exhibition

View full text Add to dashboard Cite

show abstract

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Gas Turbine Engines, Design and Dynamic Performance

Cited by 1 publication

References 6 publications

Fuel Economy and Emission Characteristics of a High Horsepower Natural Gas/Diesel Dual-Fuel Engine in Oil & Gas Operations

Fuel Economy and Emission Characteristics of a High Horsepower Natural Gas/Diesel Dual-Fuel Engine in Oil & Gas Operations

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