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Keywords: oil recovery
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Proceedings Papers
Wettability Alteration in Carbonate Rocks by the Low Salinity Water using a High-Speed Centrifuge
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference Brasil, October 29–31, 2019
Paper Number: OTC-29868-MS
...-wet surfaces and the injection of water as a secondary recovery method may result in low oil recovery factors. The injection of low salinity brines has shown to be a method that can lead to significant additional oil recoveries, since they promote alteration of the surface wettability towards a more...
Proceedings Papers
Uncovering the Mechanisms of Low-Salinity Water Injection EOR Processes: A Molecular Simulation Viewpoint
Available to PurchaseErnane de Freitas Martins, Gabriela Dias da Silva, Michele Aparecida Salvador, Alvaro David Torrez Baptista, James Moraes de Almeida, Caetano Rodrigues Miranda
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference Brasil, October 29–31, 2019
Paper Number: OTC-29885-MS
... Abstract In this work, we present a multiscale approach based on first-principles calculations and classical molecular dynamics methods, to investigate the enhanced oil recovery via low-salinity water injection (EOR-LSWI). Salting-in effect, wettability, pH alteration, electrical double layer...
Proceedings Papers
Conceptual Design of a Large Water Treatment System for Offshore Smart Water Injection
Available to PurchaseBernardo Farah Machado, Osvaldo Roberto Vale, Bruno Coccaro Pivatto, Leticia Santos Motta, Carlos Carreiro Cavaliere, Marcus Vinicius Souza
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference Brasil, October 29–31, 2019
Paper Number: OTC-29822-MS
... the chemical composition of the injected water, tests performed in laboratory and in pilot units have shown significant oil recovery (5 to 40%), when compared with a field with traditional water injection. The oil industry has shown great interest in smart water (SMW). Basically, the SMW comprises a seawater...
Proceedings Papers
Towards a Deterministic Approach to Calcite Scaling in the Porous Media During CO 2 Sequestration and Immiscible CO 2 Flooding
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference Brasil, October 29–31, 2019
Paper Number: OTC-29836-MS
... with miscible and immiscible CO 2 flooding were studied, to visualize the presence of calcite precipitation and its impact on oil recovery. injection injector co 2 aquifer oil production distribution map calcite precipitation salt precipitation reservoir producer modeling & simulation...
Proceedings Papers
Multiscale Coupling between Molecular Simulations and Reservoir Simulator: Geochemical Reactions for Low Salinity Water Injection in Carbonates
Available to PurchaseAlvaro David Torrez Baptista, Michele Aparecida Salvador, Gabriela Dias da Silva, Ernane de Freitas Martins, James Moraes de Almeida, Caetano Rodrigues Miranda
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference Brasil, October 29–31, 2019
Paper Number: OTC-29908-MS
... Abstract This work, is based on the multiscale coupling between molecular simulations and reservoir simulators, to explore the brine composition for enhanced oil recovery via the low salinity water injection (LSWI) processes. To achieve this goal, molecular simulations were performed, providing...
Proceedings Papers
Nanoparticles Treatment for Reducing Surfactant Adsorption in Clay Containing Reservoirs
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference Brasil, October 29–31, 2019
Paper Number: OTC-29931-MS
... Abstract Surfactant losses due to adsorption in the hydrocarbon reservoir is a major concern in surfactant based chemical enhance oil recovery (chemical EOR) methods because it results in the loss of optimum concentration required for adequately reducing oil-water interfacial tension (IFT...
Proceedings Papers
Recent Developments in Polymer Flooding for Carbonate Reservoirs under Harsh Conditions
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference Brasil, October 29–31, 2019
Paper Number: OTC-29739-MS
... Abstract Polymer flooding is one of the well-established and commercially-available techniques for enhanced oil recovery in the petroleum industry. It is the most widely adopted chemical enhanced oil recovery technique in sandstones, but its application in carbonates is limited due to the harsh...
Proceedings Papers
An Integrated WAG Characterization Study for an Offshore Oilfield
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference Brasil, October 29–31, 2019
Paper Number: OTC-29766-MS
... the impacts of including or neglecting relative permeability hysteresis phenomena. Conclusions of this work contribute to increase predictability and reduce uncertainties related to field-scale implementation of WAG technology. Knowledge acquired from this study promoted a better estimation of oil recovery...
Proceedings Papers
Recent Updates on Smart Water EOR in Limestone
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference Brasil, October 29–31, 2019
Paper Number: OTC-29732-MS
... and wettability alteration in oil reservoirs is needed when Smart Water EOR potential for reservoirs should be predicted. Both field observations and laboratory experiments confirm that seawater behaves as a Smart Water in limestone reservoirs, significantly improving the oil recovery. Laboratory core...
Proceedings Papers
Improving Recovery Factor in Campos Basin
Available to PurchasePatricia Ferreira da Silva, Celso Cesar Moreira Branco, Dirceu Bampi, Gustavo Echenique Silveira, Fabiano Pereira Nunes, Marcos Faerstein, Fernanda Garcia Cordeiro Tessarolli
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference Brasil, October 29–31, 2019
Paper Number: OTC-29798-MS
... conference permeability viscosity production unit recovery factor oil recovery References References Dumas , G.E.S. , Freire , E.B. , Johann , P.R.S. , Silva , L.S. , Vieira , R.A.B. , Bruhn , C.H.L. , and Pinto , A.C.C. , 2018 . Reservoir Management of the Campos...
Proceedings Papers
Artificial Intelligence-Based Screening of Enhanced Oil Recovery Materials for Reservoir-Specific Applications
Available to PurchaseRonaldo Giro, Silas Pereira Lima Filho, Rodrigo Neumann Barros Ferreira, Michael Engel, Mathias Bernhard Steiner
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference Brasil, October 29–31, 2019
Paper Number: OTC-29754-MS
... Abstract The global average Recovery Factor (RF) in oil fields is only about 20-40%. A possible reason for such a low RF might be that Enhanced Oil Recovery (EOR) techniques are not yet broadly applied. This could be for economic reasons, concerns regarding the effectiveness of EOR...
Proceedings Papers
Study of the Effect of Low Salinity Water Injection on the Oil Recovery Factor in Fractured Carbonate Rocks Using Computed Tomography
Available to PurchaseCatalina Camargo, Janeth Alina Vidal Vargas, Eddy Ruidiaz, Alessandra Winter, Erika Koroishi, Osvair Vidal Trevisan, Rafael Almeida, Gabriel Soares Bassani
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference Brasil, October 29–31, 2019
Paper Number: OTC-29939-MS
... tomography (CT), respectively. Additionally, CT scans provided the Swi profiles throughtout the sample. The results of production have shown that oil recovery with injection SW was 20.8% original oil in place (OOIP) and additional recovery from the injection of SW10X of 17.33%OOIP while the final recovery...
Proceedings Papers
Low Salinity Waterflooding Effect: Crude Oil/Brine Interactions as a Recovery Mechanism in Carbonate Rocks
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the OTC Brasil, October 24–26, 2017
Paper Number: OTC-28023-MS
... The objective of this research was to study the formation of water-in-oil microdispersions due to crude oil-brine interactions as a novel mechanism that improves oil recovery with low salinity waterflooding in carbonate formations. This novel interpretation was studied by intergrating...
Proceedings Papers
Effects of Calibrated Water into Carbonate Dissolution
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the OTC Brasil, October 24–26, 2017
Paper Number: OTC-28143-MS
... Abstract Brine with designed ionic composition has been shown by many authors as a technique that improves oil recovery, allowing an increase of up to 20% of the total oil saturation of carbonates rocks samples during laboratory experiments. The main objective of this research...
Proceedings Papers
Evaluation of Hybrid EOR as Polymer-Assisted Carbonated Waterflood in Calcite Cemented Sandstone Reservoir
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the OTC Brasil, October 24–26, 2017
Paper Number: OTC-28125-MS
... Abstract Hybrid enhanced oil recovery (EOR) as polymer-assisted carbonated waterflood (PCWF) improves mobilities of both aqueous and oleic phases. The process introduces synergetic effect modifying reservoir wettability and fluids’ viscosity. These effects are the results of polymer rheology...
Proceedings Papers
The Thermal Recovery Methods and Technical Limits of Bohai Offshore Heavy Oil Reservoirs: A Case Study
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the OTC Brasil, October 27–29, 2015
Paper Number: OTC-26080-MS
... offshore oilfield edge-water heavy oil reservoir thickness steam flooding process thick heavy oil reservoir thermal recovery process offshore heavy oil reservoir oil recovery bohai oilfield enhanced recovery reservoir thermal method sagd heavy oil reservoir oilfield References...
Proceedings Papers
Water Alternating CO 2 Injection Process - Does Modifying the Salinity of Injected Brine Improve Oil Recovery?
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the OTC Brasil, October 27–29, 2015
Paper Number: OTC-26253-MS
... In the recent past, IOR/EOR technologies have been modified to include the effects of salinity of injected brine on oil recovery. Water Alternating Gas (WAG) is one such tertiary oil recovery process in the field. It greatly improves the synergy of various individual mechanisms underlining EOR...
Proceedings Papers
Considerations of Adjusted Brine Chemistry for Waterflooding in Offshore Environments
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the OTC Brasil, October 27–29, 2015
Paper Number: OTC-26293-MS
... (CAPEX), seawater treatment is generally driven by the need to mitigate injectivity loss or water compatibility issues such as the formation of hard scales. The emergence of engineered water as an enhanced-oil recovery (EOR) process has prompted the need to adjust seawater chemistry. Water chemistry...
Proceedings Papers
Numerical and Experimental Investigation of Produced Water Reinjection on Viscous Oil Recovery
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the OTC Brasil, October 29–31, 2013
Paper Number: OTC-24281-MS
... permeability curve enhanced recovery fluid dynamics concentration petrobras oil-in-water emulsion injection seawater injection experiment emulsion injection recovery factor upstream oil & gas capillary number emulsion oil recovery flow in porous media surfactant solution...
Proceedings Papers
Production Strategy Selection for a Naturally Fractured Carbonate Reservoir from Campos Basin
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the OTC Brasil, October 29–31, 2013
Paper Number: OTC-24412-MS
... recovery method to improve oil recovery for this field using the best strategy among water, gas, water and gas and immiscible water-alternating gas (IWAG) injection. Although those methods are highly used for carbonates among oil industries worldwide they are not commonly used in carbonates fields located...
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