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Keywords: surfactant
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Proceedings Papers

Paper presented at the SPE Kuwait Oil & Gas Show and Conference, October 13–16, 2019
Paper Number: SPE-198094-MS
... Abstract Polymer-surfactant mixtures in aqueous solutions present unique rheological and interfacial properties that promote their applications in chemical flooding. The objective of this study is to investigate the interaction between anionic polyacrylamides and cationic surfactants...
Proceedings Papers

Paper presented at the SPE Kuwait Oil & Gas Show and Conference, October 13–16, 2019
Paper Number: SPE-198097-MS
... water. Use of an inverter surfactant accelerates the inversion of the polymer emulsion. For this study two highly efficient inverter surfactants at different price level were selected and their impact on the performance of an acrylamide-based emulsion copolymer was investigated. Polymer solutions...
Proceedings Papers

Paper presented at the SPE Kuwait Oil & Gas Show and Conference, October 13–16, 2019
Paper Number: SPE-198190-MS
... challenge by increasing the gas apparent viscosity. Surface active agents such as surfactants are usually used to generate foams. However, the long-term stability of the surfactants is challenging. The synergistic effect of surfactants and nanoparticles may offer a novel technique to solve the foam...
Proceedings Papers

Paper presented at the SPE Kuwait Oil and Gas Show and Conference, October 11–14, 2015
Paper Number: SPE-175339-MS
... sweep with modified brines, given the viscosity and density differences relative to formation brine, requires careful assessment. New polymers and surfactants are expanding the technical window of opportunity, currently chemical EOR in these environments is still commercially challenged. EOR technology...
Proceedings Papers

Paper presented at the SPE Kuwait Oil and Gas Show and Conference, October 11–14, 2015
Paper Number: SPE-175350-MS
... the oil and water phases to avoid using chemical demulsifiers. The separated oil and water phases were physically and chemically characterized and the oil-water interfacial tension was determined using pendant drop method at a temperature range between 20 to 50 o C. The effects of solvent, surfactant...
Proceedings Papers

Paper presented at the SPE Kuwait Oil and Gas Show and Conference, October 11–14, 2015
Paper Number: SPE-175382-MS
... challenge; however, is the stability of the generated foam when it contacts the oil. Foam boosters, which are generally costly surfactants, have been co-injected together with the main foaming surfactant to create stable foams in the presence oil. Similar to surfactants, particles can also accumulate...
Proceedings Papers

Paper presented at the SPE Kuwait Oil and Gas Show and Conference, October 11–14, 2015
Paper Number: SPE-175407-MS
... Abstract This paper describes a series of experiments that used X-ray computer tomography (CT) to visualize the mobilization of remaining oil by Alkaline Surfactant (AS) and Alkaline Surfactant Polymer (ASP) flooding after conventional waterflooding. The experiments were conducted in cores...
Proceedings Papers

Paper presented at the SPE Kuwait Oil and Gas Show and Conference, October 11–14, 2015
Paper Number: SPE-175278-MS
... gravity override or viscous fingering ( Friedmann et al. 1994 ). To create and propagate stable foam, a surfactant must be added to the liquid phase of the steam. In addition, a small amount of non-condensable gas may be added to the steam. The role of this non-condensable gas is to stabilize the collapse...
Proceedings Papers

Paper presented at the SPE Kuwait Oil and Gas Show and Conference, October 11–14, 2015
Paper Number: SPE-175261-MS
... Abstract Foam enhanced oil recovery techniques involving super critical CO 2 with surfactants are becoming popular these days due to the ability of foam to appreciably overcome problems like gravity override and viscous fingering. Foam lowers the mobility of the injected fluid consequently...

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