Open Access. Powered by Scholars. Published by Universities.®
Articles 1 - 2 of 2
Full-Text Articles in Engineering
The Role Of Surface Active Compounds In Crude Oil On Reservoir Wettability., Paulina Metili Mwangi
The Role Of Surface Active Compounds In Crude Oil On Reservoir Wettability., Paulina Metili Mwangi
LSU Doctoral Dissertations
This study examines the role of crude oil’s surface active compounds (SAC) in determining the reservoir wettability. Wettability describes the relative preference of a reservoir rock for oil or water. Wettability influences the distribution of fluids in a reservoir and the efficiency of oil recovery methods. Unfortunately, the chemical mechanisms controlling wettability in individual reservoirs remain hazy. Wettability is conditional and is influenced by rock mineralogy, fluid chemistry, and temperature. An extensive experimental study was executed to understand the impact of naturally-occurring SACs typically found in crude oil, on the wettability of sandstone and carbonate rocks over a range of …
Evaluation Of Compositional Effects On Gas-Oil Miscibility And Gas-Assisted Gravity Drainage (Gagd) Eor Process, Mohamed Al Riyami
Evaluation Of Compositional Effects On Gas-Oil Miscibility And Gas-Assisted Gravity Drainage (Gagd) Eor Process, Mohamed Al Riyami
LSU Doctoral Dissertations
The Vanishing interface technique (VIT), offers fast and accurate determination of minimum miscibility pressure (MMP) between the reservoir crude oil and the various gases injected for enhancing oil recovery (EOR). The technique is based on miscibility being the condition where an interface between the injected fluid and the reservoir crude oil vanishes. This research has evaluated the effect of the gas-oil ratio on zero-IFT pressure. VIT experiments were simulated using an equation of state (EOS) and the Parachor model. This work proves the robustness of VIT in estimating miscibility pressures for gas injection EOR projects. Also this work presents a …