COMPARISON OF GAZKONDNAFTA AND HYSYS SOFTWARE SYSTEMS IN THE FIELD OF COMPUTER MODELING OF OIL AND GAS TECHNOLOGIES

The experimental and calculated according to program systems GasCondOil, Aspen-HYSYS and PRO-II compositions of the gas — liquid phases (hydrocarbon and aqueous solutions) and their thermodynamic properties are compared, as well as the accuracy of technological calculations of field pipelines and natural gas and oil treatment processes. It is shown that some of the field technological processes, calculated by the program system GasCondOil, are not modeled on Aspen-HYSYS. Bibl. 16, Fig. 9, Tab. 15.

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Integration of Post-Combustion Capture and Reinjection Plant to Power Generation Cycle Using CO2-Rich Natural Gas in Offshore Oil and Gas Installation

Materials Science Forum ◽

10.4028/www.scientific.net/msf.965.49 ◽

2019 ◽

Vol 965 ◽

pp. 49-58 ◽

Cited By ~ 1

Author(s):

Raquel de Pádua Fernandes Silva ◽

José Luiz de Medeiros ◽

Ofélia de Queiroz Fernandes Araújo

Keyword(s):

Power Generation ◽

Natural Gas ◽

Oil Recovery ◽

Gas Turbines ◽

Power Efficiency ◽

Oil And Gas ◽

Combined Cycle ◽

Simple Cycle ◽

Total Efficiency ◽

Aspen Hysys

The use of CO2-rich natural gas (%CO2 ≈ 20%mol) for power generation in offshore hubs results in simpler upgrade process, while imposes an extra challenge to mitigate emissions. Power generation via combined cycle configurations and post-combustion capture with CO2 reinjection are investigated for carbon-footprint reduction, while increasing gas export and oil production, respectively. The processes are simulated using Aspen HYSYS software and compared to currently installed simple cycle configuration in terms of footprint, weight, power, efficiency and CO2 emissions. The combined cycle including two gas turbines and one single-pressure steam cycle (CC 2:1:1) results in the most favorable power system, having 53% efficiency, 476.8 gCO2/kWh emissions and similar dimensions compared to the simple cycle. The integration of a post-combustion capture sending the CO2 for enhanced oil recovery results in 241 gCO2/kWh for the CC 2:1:1 and 251 gCO2/kWh for the simple cycle, without great impacts in total efficiency. The CC 2:1:1 with post-combustion capture presents higher net efficiency, lower dimensions and greater economic advantages, enabling emissions reduction without having significant impacts on the power generation.

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