Journal of Oil, Gas and Petrochemical Technology

Journal of Oil, Gas and Petrochemical Technology

Reduction of Condensate Trapping by CaCO3 Nanofluid Injection: Experimental Study in Sandpack

Document Type : Research Paper

Authors
Fatemeh Seifi 1
Reza Azin 2
Shahriar Osfouri 3
1 Oil and Gas Research Center, Persian Gulf University
2 Department of Petroleum Engineering, Faculty of Petroleum, Gas, and Petrochemical Engineering, Persian Gulf University, Bushehr, Iran
3 Dept. Chem. Eng., Faculty of Gas, Oil, and Petrochemical Engineering, Persian Gulf University
10.22034/jogpt.2022.281585.1095
Abstract
In the gas condensate reservoirs, the trapping phenomenon is caused by the capillary force of the rocks. The force that leads to remaining liquids in pores. There are various methods to eliminate the condensate or reduce it to a minimum value. Many researchers attempt to recover more oil commercially and delay leaving gas condensate fields by innovating some new methods such as nanotechnology. The main goal of this study is the reduction of the trapped condensate by applying CaCO3 nanofluid injection (the natural CaCO3 (Bio-Ca) nanoparticles containing chitin) in the sand pack. This is known as an economical and eco-friendly nanoparticle in tertiary enhanced oil recovery method. Finally, the displacement efficiency (ED) and recovery factor (Re) of this nanoparticle was 5.23% and 69.29%, respectively. The optimum values of the initial condensate saturation (Soi) and the flow rate of nanofluid injection (qNF) are 30 and 5cc/min, respectively. These values are the minimum Soi and qNF, which considered in this study
Keywords
Trapping
Initial saturation
Residual saturation
Chemical enhance oil recovery
Nanoflooding
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Journal of Oil, Gas and Petrochemical Technology
Volume 8, Number 2
December 2021
Pages 36-46