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Keywords: surfactant
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Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 23–25, 2024
Paper Number: SPE-220922-MS
... and temperature on foam strength and stability at reservoir conditions, important parameters for ensuring field-scale success. sedimentary rock rock type chemical flooding methods geologist miscible method fraction mineral enhanced recovery geology co 2 viscosity surfactant supercritical co 2...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 23–25, 2024
Paper Number: SPE-220743-MS
... surfactant sco 2 displacement wettability contact angle interfacial tension water saturation relative permeability curve pressure drop cloud point displacement test Introduction Carbon Capture and Storage (CCS) is a key mitigation technology for achieving ambitious net-zero targets...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 23–25, 2024
Paper Number: SPE-220889-MS
... in the Bakken. The prior pilot at the East Nesson site was deemed effective, resulting in incremental oil production by using a novel technology for coinjecting pulses of produced gas and freshwater with surfactant. The objective of this second pilot was to improve economics and simplify injection operations...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 23–25, 2024
Paper Number: SPE-220765-MS
... permeability geothermal reservoir surfactant fracture capillary tube foam viscosity rough fracture Introduction Enhanced Geothermal Systems (EGS) are relying on reactivating existing fractures through shearing and opening and creating new induced fractures to form a hydraulically conductive...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 16–18, 2023
Paper Number: SPE-215108-MS
... unconventional play rock type enhanced recovery saturation pvi surfactant polymer flooding flood-4 straight-polymer ap flood brine displacement reservoir viscosity journal Introduction Heavy oil reserves have been found in more than 30 countries. Canada and Venezuela hold some of the largest...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 16–18, 2023
Paper Number: SPE-217481-STU
... A comprehensive foam study of the synergistic interaction between surfactants and was conducted in this work. This work attempts to introduce current nanotechnology advancements to foam EOR. The fundamentals for the performance of the nanoparticle-stabilized foam were determined while taking...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 16–18, 2023
Paper Number: SPE-217482-STU
... Abstract A process of breaking ‘water in oil’ type of emulsions by using demulsifiers based on bio and biobased surfactants and comparison of their effectiveness with commercial demulsifier presented by creation of: five bio demulsifiers, ‘water in oil’ type emulsion and conduction...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 16–18, 2023
Paper Number: SPE-214803-MS
... variously deployed EOR methods in the oil industry, surfactants are widely used, firstly in conventional reservoirs, and gradually being implemented in unconventional reservoirs ( Neog and Schechter, 2016 ; Zeng et al., 2018 ; Tu and Sheng, 2019 ; Venepalli et al., 2021 ). An efficient way to apply...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 16–18, 2023
Paper Number: SPE-215043-MS
... was to find a suitable chemical treatment to mitigate the wax deposition and assure the flow of production. There are several types of wax treatment, such as wax dispersants (WDs), WIs, and pour point depressants (PPD). WDs are usually surfactants and solvent-based chemistries; WIs and PPDs have some...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 16–18, 2023
Paper Number: SPE-215039-MS
... geological landing zone, located within 1 mile from each other were selected to be re-stimulated with different surfactant blends. These wells were producing an average of 4,500 bwpd at a 96% water cut. Acid stimulation programs with a total treatment volume of about 2,000 barrels was designed to stimulate...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 16–18, 2023
Paper Number: SPE-214838-MS
... fluid based on a novel single polymer system containing oil-displacement surfactant. The new polymer based fracturing fluid was characterized in terms of friction reduction, proppant settling, rheological properties and Amott cell spontaneous imbibition tests. The flow loop results showed that the new...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 16–18, 2023
Paper Number: SPE-214874-MS
... was implemented to conduct experimental and modeling studies focusing on imbibition tests performed on tight cores utilizing surfactant and microemulsion. The primary objective of this research was to investigate the response of oil recovery to these additives and to develop a robust and reliable model...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 16–18, 2023
Paper Number: SPE-214894-MS
... This study involved an extensive laboratory investigation. This investigation began with a meticulous surfactant screening to determine which surfactants would perform best at the given reservoir conditions and crude oil composition. These chosen surfactants then went through a series of proof...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 16–18, 2023
Paper Number: SPE-214973-MS
... Two commercially available, water-soluble surfactants were used as foaming agents. One was a nonionic linear C12-14 ethoxylated alcohol surfactant (Indorama Surfonic® L24-22). This surfactant was recently used in a successful field pilot test in the Permian Basin of west Texas ( Jian et al., 2020...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 16–18, 2023
Paper Number: SPE-214971-MS
... weaker resistance capability to external disturbance under high-pressure conditions. At concentrations below the CMC, elastic modulus decreased, and viscous modulus increased with increasing temperature, while at concentrations above the CMC, both moduli decreased with increasing temperature. Surfactant...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 16–18, 2023
Paper Number: SPE-214951-MS
.... This study aims to evaluate foam flooding as a method to improve CO 2 storage in a high temperature, high salinity carbonate reservoir. Several surfactants and nanoparticles were examined to identify the most effective foam formulation. Foam stability at the reservoir temperature and ambient pressure...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 3–5, 2022
Paper Number: SPE-210168-MS
... mobility ratio through injecting polymers, another is reducing the residual oil saturation by lowering water-oil interfacial tension through injecting surfactants and nanoparticles. Surfactant injection is considered an effective approach as it reduces the interfacial tension (IFT) and alters...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 3–5, 2022
Paper Number: SPE-210333-MS
..., as a continuation of the work mentioned above, presents the blending of ECA with surfactant A (a chemically different surfactant) at 50/50 ratio and different injection foam qualities (30% to 90%) for further improvement of steam foam performance at 300°C without bitumen. For safety reasons, thermal stability...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 3–5, 2022
Paper Number: SPE-210005-MS
... The experimental oil, experimental water and experimental cores were obtained from Shengli Oilfield, Dongyin, China. The fatty alcohol polyoxyethylene ether MOA15 and co-surfactant triethylene glycol were both purchased from Shanghai Aladdin Biochemical Technology Co., Ltd. The cationic surfactant SS-2306 and No.3...

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