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Keywords: surfactant
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Proceedings Papers

Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 10–12, 2023
Paper Number: SPE-215463-MS
... asia government separator dosage injection surfactant foam handil handil owtu indonesia government enhanced recovery application clarifier tendency hd-x oily water treatment unit chemical eor field trial upstream oil & gas chemical flooding methods operation reservoir...
Proceedings Papers

Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 10–12, 2023
Paper Number: SPE-215193-MS
... (water-glycerol solution 1:1), an oil phase (pine vegetable oil), and varying nonionic surfactants (Tween 80, nonylphenol ethoxylates 100 and 150). Two types of clays (filtration control) were used in the formulation of fluids, Brasgel PA and Cloisite 20 A, in the presence of a viscosifier (xanthan gum...
Proceedings Papers

Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 10–12, 2023
Paper Number: SPE-215361-MS
... properties of CO 2 -based foams were measured by circulating flow loop foam rheometer at high temperature (250 °F) and shear rate up to 500 1/s. CO 2 foam stability is enhanced by optimizing the concentrations of CTAB surfactant and silica nanoparticles at high temperature. According to XRD findings, CS-7...
Proceedings Papers

Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 10–12, 2023
Paper Number: SPE-215332-MS
... inhibitor table 4 single phase retarded acid system surfactant equation reactivity Introduction Numerous advancements have taken place in field of limestone acidizing to overcome the shortcoming of conventional HCl base stimulation. Organic acids like formic acid and acetic acid have been used...
Proceedings Papers

Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 12–14, 2021
Paper Number: SPE-205685-MS
... Coreflood history matching was initiated with low injection rate as depicted in laboratory analysis. The aim for this coreflood modeling was to establish foam empirical properties to quantify incremental oil in field model. Surfactant Alternate Gas (SAG) experiment was performed using 0.3 wt...
Proceedings Papers

Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 12–14, 2021
Paper Number: SPE-205676-MS
... Abstract During chemical EOR, surfactants encounter significant losses when injected into porous media mainly due to retention. The key mechanisms of surfactant retention are adsorption onto the rock surface and partitioning into the oil phase. The significant losses due to adsorption...
Proceedings Papers

Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 12–14, 2021
Paper Number: SPE-205566-MS
... national oil production by optimizing the mature fields through the implementation of successful EOR technology. Out of this approach, a comprehensive study has been carried out on the targeted field by exploring the potential of surfactant-polymer (SP) flooding. This article describes the formulation...
Proceedings Papers

Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 29–31, 2019
Paper Number: SPE-196565-MS
... to rejuvenate the wells back to production. Nanoemulsion Surfactant Nanotechnology has had revolutionary impact in many industries and is finding more application in the oilfield to enhanced drilling performance, well deliverability and reservoir productivity. It refers to a field of applied science...
Proceedings Papers

Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 29–31, 2019
Paper Number: SPE-196334-MS
... Abstract Surfactant screening for enhanced oil recovery involves studies of fluid-fluid and fluid-rock interactions to optimize the surfactant formulation for the reservoir of interest. In this paper, we utilize low field nuclear magnetic resonance (NMR) technology to monitor the phase behavior...
Proceedings Papers

Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 29–31, 2019
Paper Number: SPE-196293-MS
... number chemical concentration residual oil saturation enhanced recovery adsorption relative permeability surfactant saturation society of petroleum engineers Oil Recovery dilution effect salinity reduction capillary number mechanism chemical flooding methods Upstream Oil & Gas...
Proceedings Papers

Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 29–31, 2019
Paper Number: SPE-196253-MS
.... We also showed that the reverse wettability can be changed using new generation chemicals including thermally resistant chemicals (special surfactants, alkalis, water soluble solvents, and ionic liquids). Even though they reveal useful information, contact angle measurements are limited in accounting...
Proceedings Papers

Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 29–31, 2019
Paper Number: SPE-196353-MS
... Abstract The surfactant selection for chemical floods usually starts with an extensive lab study identifying the formulation that provides the best recovery performance. However, it is oftentimes overlooked that in a laboratory setting the requirements on product availability and applicability...
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil and Gas Conference and Exhibition, October 23–25, 2018
Paper Number: SPE-192113-MS
... permeability reservoirs. Thus, it is imperative to find new flooding agents that tackle such problems. In this study, a novel ultra-low interfacial tension (IFT) nanofluid was formulated, consisting of surfactants to achieve ultra-low IFT and silica nanoparticles to reduce injection pressure...
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil and Gas Conference and Exhibition, October 23–25, 2018
Paper Number: SPE-192142-MS
... Abstract Surfactants are used in gas well deliquification to generate foam to lift liquid condensates and brine from a well during gas production. In this paper, the effect of various hydrocarbon components typically found in natural condensates on selected foaming surfactants was studied...
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil and Gas Conference and Exhibition, October 23–25, 2018
Paper Number: SPE-192135-MS
... (Jabbar, et al. 2017). Surfactant is one of the chemicals that has played an important role in EOR through the reduction of oil/water interfacial tension (IFT), emulsifying crude oil and altering the wettability of oil layer and thus produce residual oil (Sheng 2015). Developing chemicals that can...
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil and Gas Conference and Exhibition, October 23–25, 2018
Paper Number: SPE-191947-MS
... Surfactants can reduce the surface energy at the interface between two immiscible liquids, usually oil and water, and are thus instrumental in reducing the interfacial tension between crude oil and injection water or brine which facilitates the movement of treatment fluid into tight pore spaces...
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil and Gas Conference and Exhibition, October 23–25, 2018
Paper Number: SPE-192146-MS
... Abstract This paper studied a new fracturing fluid based on a supramolecular complex between associative polymer and viscoelastic surfactant (VES). The combination of VES and associative polymer synergistically enhances the viscosity several times more than that of the individual components...
Proceedings Papers

Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 17–19, 2017
Paper Number: SPE-186195-MS
... measure at several zones to monitoring foam propagation through a core sample. Core sample will be characterized to identify dimensional of the core plug, porosity and permeability of the core plug. The liquids, such as brine, surfactant, nitrogen gas will be characterized to obtain the value of density...
Proceedings Papers

Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 17–19, 2017
Paper Number: SPE-186240-MS
... are featuring large capillary pressure thus spontaneous imbibition. Surfactant would accelerate this process. However, due to the small amount of oil in core, the accurate recording of oil recovery is challenging, especially during dynamic imbibition within fracture matrix system. Nuclear Magnetic Resonance...

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