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Articles 31 - 33 of 33
Full-Text Articles in Petroleum Engineering
Evaluation Of Gas-Assisted Gravity Drainage Eor Process Applicability In A Louisiana Oil Field Through Experiments And Reservoir Simulation, Wagirin Ruiz Paidin
Evaluation Of Gas-Assisted Gravity Drainage Eor Process Applicability In A Louisiana Oil Field Through Experiments And Reservoir Simulation, Wagirin Ruiz Paidin
LSU Doctoral Dissertations
The Gas-Assisted Gravity Drainage (GAGD) process was developed as an alternative to conventional gas injection enhanced oil recovery (EOR) processes, which suffer from their inherent weakness of combating gravity segregation. The GAGD process, however, is aimed at taking advantage of this phenomenon and consists of using horizontal producers near the bottom of the payzone while injecting gas using vertical injection wells. It is hypothesized that the injected gas will rise to the top, thereby forming a gas cap while displacing reservoir brine/oil downward towards the producers. In this study, a single-well alternative to the multi-well GAGD process was investigated to …
Modeling Foam Delivery Mechanisms In Deep Vadose-Zone Remediation Using Method Of Characteristics (Moc), Alireza Roostapour
Modeling Foam Delivery Mechanisms In Deep Vadose-Zone Remediation Using Method Of Characteristics (Moc), Alireza Roostapour
LSU Doctoral Dissertations
This study investigates foam delivery mechanisms in vadose-zone remediation by using Method of Characteristics (MoC). In such applications, dry foams are introduced into a porous medium which is initially at low saturation of water (Sw) containing pollutants such as metals and radionuclides. For vadose-zone remediation processes to be successful, the injected aqueous phase should carry chemicals to react with pollutants and precipitate them for immobilization and stabilization purposes. Typical remediation techniques such as water and surfactant injections are not applicable, because of the concerns about downward migration. As a result, understanding foam flow mechanism in-situ is key to the optimal …
An Experimental And Computational Investigation Of Rotating Flexible Shaft System Dynamics In Rotary Drilling Assemblies For Down Hole Drilling Vibration Mitigation, Richard Duff
LSU Doctoral Dissertations
Rotary drilling system vibration has long been associated with damaging the bit, the bottom hole assembly (BHA) and drill string. Vibration has been traditionally measured in the bottom hole assembly, and been closely associated with the resonant behaviors.
This research study proposes an improved physical laboratory model to explore the dynamic behaviors associated with vibration. This model includes contact with the borehole wall allowing a range of stabilization geometries while removing bit-formation interaction effects. The results of exercising the model help develop new insights into both vibration measurement diagnostics and mitigation strategy execution.
Presented here is a review of other …