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Keywords: oil recovery
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Proceedings Papers

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

Paper presented at the Offshore Technology Conference Brasil, October 29–31, 2019
Paper Number: OTC-29739-MS
...Abstract 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...
Proceedings Papers

Paper presented at the Offshore Technology Conference Brasil, October 29–31, 2019
Paper Number: OTC-29766-MS
... estimation of oil recovery, gas production and overriding. It also supports the design of subsea and topside equipment, which is critical in the offshore scenario. wag injection relative permeability reduction modeling & simulation experiment fluid dynamics upstream oil & gas...
Proceedings Papers

Paper presented at the Offshore Technology Conference Brasil, October 29–31, 2019
Paper Number: OTC-29798-MS
... quantity production unit recovery factor oil production campos basin oil recovery 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 Basin Brown...
Proceedings Papers

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

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 oil production distribution map calcite precipitation salt precipitation reservoir precipitation flow in porous media upstream oil...
Proceedings Papers

Paper presented at the Offshore Technology Conference Brasil, October 29–31, 2019
Paper Number: OTC-29885-MS
...Abstract 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...
Proceedings Papers

Paper presented at the Offshore Technology Conference Brasil, October 29–31, 2019
Paper Number: OTC-29868-MS
...Abstract Abstract Carbonate reservoirs are characterized by neutral or oil-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...
Proceedings Papers

Paper presented at the Offshore Technology Conference Brasil, October 29–31, 2019
Paper Number: OTC-29931-MS
...Abstract 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...
Proceedings Papers

Paper presented at the OTC Brasil, October 24–26, 2017
Paper Number: OTC-28143-MS
...Abstract 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

Paper presented at the OTC Brasil, October 24–26, 2017
Paper Number: OTC-28023-MS
... experiment ift measurement mechanism crude oil upstream oil & gas enhanced recovery salinity concentration carbonate rock interaction low salinity brine oil recovery waterflooding lsw brine wettability alteration composition lkc crude oil low salinity brine elasticity...
Proceedings Papers

Paper presented at the OTC Brasil, October 24–26, 2017
Paper Number: OTC-28125-MS
...Abstract 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...
Proceedings Papers

Paper presented at the OTC Brasil, October 27–29, 2015
Paper Number: OTC-26080-MS
... upstream oil & gas bohai offshore oilfield edge-water heavy oil reservoir thickness steam flooding process thermal recovery process offshore heavy oil reservoir oil recovery bohai oilfield enhanced recovery oilfield reservoir thermal method sagd heavy oil reservoir Zhang F.J...
Proceedings Papers

Paper presented at the OTC Brasil, October 27–29, 2015
Paper Number: OTC-26293-MS
... EXpenditure (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...
Proceedings Papers

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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