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Keywords: surfactant
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Proceedings Papers

Paper presented at the SPE Conference at Oman Petroleum & Energy Show, March 21–23, 2022
Paper Number: SPE-200074-MS
... Total Dissolved Salts (TDS) 9.82 Hardness 1 0.06 Abstract Abstract The objective of surfactant-polymer (SP) formulation design is to simultaneously achieve ultra-low interfacial tension and good mobility ratio. However, in some cases, the presence of both polymer and surfactant can cause...
Proceedings Papers

Paper presented at the SPE Conference at Oman Petroleum & Energy Show, March 21–23, 2022
Paper Number: SPE-200096-MS
...) History matching of the imbibition experiments on 15 mD, 100 mD and 500 mD cores is the goal of this work. This process aims to understand better the relative contribution of the forces on oil desaturation and distinguish the EOR effects caused by low IFT surfactant imbibition. As an additional...
Proceedings Papers

Paper presented at the SPE Conference at Oman Petroleum & Energy Show, March 21–23, 2022
Paper Number: SPE-200027-MS
... is important to optimize the injection water compositions used for chemical enhanced oil recovery (EOR) in carbonates. In this investigation, the electrokinetic interactions of different surfactants at calcite/brine/crude-oil interfaces are studied using Surface Complexation Modeling (SCM) approach. First...
Proceedings Papers

Paper presented at the SPE Conference at Oman Petroleum & Energy Show, March 21–23, 2022
Paper Number: SPE-200070-MS
... enhanced oil recovery (EOR) sources, but are often complicated by temperature and salinity parameters. Extended carboxylate surfactants have been proven to be effective molecules to positively interact with crude oil at higher reservoir extremes. In this study, adsorption of alkyl ether carboxylate...
Proceedings Papers

Paper presented at the SPE Conference at Oman Petroleum & Energy Show, March 21–23, 2022
Paper Number: SPE-200076-MS
... seen as a way to improve the kinetic of oil recovery from the matrix: foam, surfactant-polymer, low-salinity and hybrid processes, including a discussion of the remaining challenges to successfully apply these more recent technologies in the field. Beyond the fact that NFRs are quite interesting...
Proceedings Papers

Paper presented at the SPE Conference at Oman Petroleum & Energy Show, March 21–23, 2022
Paper Number: SPE-200052-MS
... The formulations, mixing respectively cationics A, B and C with co-surfactants, are named Formulated A1 (formulated A), B1 (formulated B) and C1 (formulated C). All the molecules tested are synthesized by Solvay. The concentration of surfactants is set constant at 0.5% in all tests...
Proceedings Papers

Paper presented at the SPE Conference at Oman Petroleum & Energy Show, March 21–23, 2022
Paper Number: SPE-200064-MS
... operation drillstem/well testing gas rate stable production injection production enhancement liquid loading rate sm 3 drillstem testing sn-73 upstream oil & gas foam sn-55 surfactant water production foamer injection successful implementation SN-73 FAL consists of adding...
Proceedings Papers

Paper presented at the SPE Conference at Oman Petroleum & Energy Show, March 21–23, 2022
Paper Number: SPE-200122-MS
... (5) R i = 3 × V i A s         i = o i l   ( o )   o r   w a t e r   ( w ) Abstract Abstract Microemulsion phase behavior studies are essential for screening surfactants for improving oil production. The paper presents a modified...
Proceedings Papers

Paper presented at the SPE Conference at Oman Petroleum & Energy Show, March 21–23, 2022
Paper Number: SPE-200125-MS
...Mobility Test The major objectives of dynamic foam mobility tests were to ensure the foam generation and also evaluate the ability of the surfactants and the mixture of surfactant and polymer to reduce sc-CO 2 mobility in porous media (carbonate rock) at reservoir conditions. Pressure drops...
Proceedings Papers

Paper presented at the SPE Conference at Oman Petroleum & Energy Show, March 21–23, 2022
Paper Number: SPE-200222-MS
...Abstract Abstract Development of NanoSurfactants (NSs), encapsulated petroleum sulfonates, is in progress for use as one of the most cost efficient surfactants in chemical enhanced oil recovery (CEOR) applications under extreme conditions. This work provides a better understanding of NS...
Proceedings Papers

Paper presented at the SPE Conference at Oman Petroleum & Energy Show, March 21–23, 2022
Paper Number: SPE-200198-MS
... Procedures Thermal Stability of Surfactants Abstract Abstract The efficiency of oil processes depends on the product of volumetric sweep and microscopic sweep. In oil recovery by steam injection the microscopic sweep is generally good; however, obtaining a good volumetric sweep can be challenging...
Proceedings Papers

Paper presented at the SPE Conference at Oman Petroleum & Energy Show, March 21–23, 2022
Paper Number: SPE-200182-MS
...Material Static Adsorption Test One gram of carbonate rock grains between 60 and 80 mesh size was added to 5 mL surfactant solution at 2000 ppm in a 30 mL test bottle, shaken 10 times and placed in the oven at 95°C for 1 hour. After an hour in the oven, the samples were further shaken...
Proceedings Papers

Paper presented at the SPE Conference at Oman Petroleum & Energy Show, March 21–23, 2022
Paper Number: SPE-200256-MS
... Heating of crude oil ( E x ˙ o i l h e a t i n g ) ṁ oil c p ΔT Transport of oil to refinery 188 J/kg-km 20 Other process 20% (10%) of the total exergy for polymer/surfactant (water) Polymer manufacturing 123600 Surfactant manufacturing...
Proceedings Papers

Paper presented at the SPE Conference at Oman Petroleum & Energy Show, March 21–23, 2022
Paper Number: SPE-200228-MS
... of injecting external fluids in order to recover additional oil unable to be produced by the conventional methods [ 15 ]. Our main concern in this work is Chemical enhanced oil recovery (CEOR) which uses mainly surfactant, polymer and alkali as additives to the injected water. The ability of the polymer...
Proceedings Papers

Paper presented at the SPE Conference at Oman Petroleum & Energy Show, March 21–23, 2022
Paper Number: SPE-200192-MS
.... 2009 ). However, these are mostly application for surfactant- or alkali-surfactant polymer floods. In the negative salinity approach, the ultra-low IFT inducing surfactant formulation (slug) is injected at a higher salinity to facilitate Type III microemulsion generation. After the short slug...
Proceedings Papers

Paper presented at the SPE Conference at Oman Petroleum & Energy Show, March 21–23, 2022
Paper Number: SPE-200246-MS
... hydrocarbon recovery at the minimum possible cost. This paper evaluates the effectiveness of a Thermo-Viscosifying Polymer (TVP) and an Acrylamido Tertiary Butyl Sulfonate (ATBS)/acrylamide (AM) copolymer in mobilizing residual oil from carbonate. The surfactants are carboxybetaine based amphoteric...
Proceedings Papers

Paper presented at the SPE Conference at Oman Petroleum & Energy Show, March 21–23, 2022
Paper Number: SPE-200273-MS
...Abstract Abstract Non-ionic alkyl polyglucoside (APG) surfactants have been considered as eco-friendly, nontoxic and biodegradable surfactants. In this study, the physicochemical properties of two APG surfactants under high-temperature and high-salinity conditions were evaluated...
Proceedings Papers

Paper presented at the SPE EOR Conference at Oil and Gas West Asia, March 26–28, 2018
Paper Number: SPE-190369-MS
.... The R&D project began more than ten years ago to meet these challenges and increase the oil recovery factor of the Algyo field, which is the largest Hungarian oil field. This paper describes how a countless number of surfactants, co-surfactants and their mixtures were synthetized, developed...
Proceedings Papers

Paper presented at the SPE EOR Conference at Oil and Gas West Asia, March 26–28, 2018
Paper Number: SPE-190370-MS
...Abstract Abstract Alkali Surfactant Polymer (ASP) flooding was piloted in 2016 in a clastic field in Southern Oman. One of the main risks identified prior to the pilot is the impact of the produced ASP chemicals on the surface oil/water separation. To un-risk this issue, a custom-built fluid...
Proceedings Papers

Paper presented at the SPE EOR Conference at Oil and Gas West Asia, March 26–28, 2018
Paper Number: SPE-190363-MS
... boosting surfactants to come up with the most adapted chemical cocktail in terms of solubility, IFT with crude oil and foaming properties in hard brine. The selected formulation is then quantitatively characterized for IFT with crude oil, phase behavior with live oil, foam stability in reservoir pressure...

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