PETROSTEP IFT Lowering Agents

Foamers for unloading high-condensate gas wells - Google Patents

The foaming agent, which contains one or more surfactants, reduces ... lift devices, or expensive fluorinated surfactants. ... * Petrostep ® CG-50 (cocamidopropyl ...

Delft University of Technology Impact of surfactant depletion on foam ...

Surface active agents decrease the bubble surface mobility. It leads to the slowdown of TPC expansion and the shape oscillations are suppressed. Further we ...

University of Groningen Design and Synthesis of Low Molecular ...

... IFT Role on Oil Recovery During Surfactant Based ... agent, dispersants, foaming agents [1]. In this ... lowering of surface (interfacial) tension ...

paper - number spe 6600 - Chemical Engineering

surface active agents in the injection fluid. (detergent solution) to lower the interfacial ... found that a low interfacial tension (LIFT) ... step 420, Petrostep ...

A Critical Overview of ASP and Future Perspectives of NASP in EOR ...

... agents? (ii) What are the advantages and ... reduce IFT (Interfacial Tension) significantly [10]. ... Amphoteric Petrostep B-100 + Pusher 700E + Na2 ...

ENHANCED OIL RECOVERY IN HIGH SALINITY HIGH ... - CORE

41—Effect of Petrostep CG--50 concentration on the IFT value of the surfactant ... flow using different chemical agents ... Amphoteric surfactant is effective in ...

(PDF) Most common surfactants employed in chemical enhanced oil ...

The suggested recovery mechanisms after injecting surfactants include wettability alteration and IFT reduction. If a surfactant is properly ...

the influence of ionic liquid type, concentration, and slug size on ...

The importance of injecting surfactants (surface-active agents) in this process resides in their ability to reduce the IFT of the oil- brine-rock system in the ...

Toward Reservoir-on-a-Chip: Rapid Performance Evaluation of ...

Surfactants are common additives for chemical EOR methods as they alter wettability and reduce the IFT between oil and water3,9,10,11,12,13,14, ...

Optimization and characterization of biosurfactant production ... - PATh

biomedical industry as therapeutic agents ... ilar ability to decrease the IFT of the Arabian light crude oil/water ... Enordet and Petrostep ...

petroleum sulfonates preparation and evaluation for ... - Redalyc

Table 4 shows the results of sulfonation reactions using LVGO and different oil/sulfonating agent ratios. In agreement to the literature reports, a decrease in.

(PDF) Use of mixed surfactants to improve the transient interfacial ...

They are anionic surface-active agents ... Lignosulfonate sufactants alone Figure 2 - Transient IFT behaviour of 0.1 % Petrostep ... In view of the slightly better ...

Bartlesville Proiect Off ice U. S. DEPARTMENT OF ENERGY ...

Surfactant and alkali are interfacial tension reducing agents which can be added to the ... Figure 3-17 depicts the interfacial tension change as the Petrostep B- ...

Elv National Library of Canada - uO Research

microscope, with the aid of a stroboscope. This instrument was used to obtain all the ultralow IFT data of the Petrostep + c-2ı nixea surfactant systems ...

alkaline-surfactant-polymer flood oil: Topics by Science.gov

... reducing mobility ratio, lowering interfacial tensions (IFT) and altering wettability were investigated. Two-phase displacement experiments were performed ...

Microbiotechnology Based Surfactants and Their Applications

agents, emulsifiers, dispersants, detergents, and foaming agents. ... reducing surface and interfacial tensions (Gudiña etal. ... and Petrostep at the same ...

The use of inorganic sacrificial agents in combination with ...

These sacrificial agents can reduce the hardness ... ting optimal surfactant lowering of oil/water IFT for a given ... tant used was STEPAN's Petrostep® 450 ...

Ionic liquids as novel surfactants for potential use in enhanced oil ...

[89] examined the use of 1-dodecyl-3-methylimidazolium chloride as the IFT reducing agent and its dynamic IFT with one of the Iranian crude ...

Green Lignosulphonate as co-surfactant for wettability alteration

flooding mechanism by lowering the interfacial tension (IFT) be- ... Besides, a study carried out using a chemical agent ... petroleum sulfonates (Petrostep 420 and ...

Foam EOR as an Optimization Technique for Gas EOR - MDPI

An ultra-low interfacial tension foaming agent was used by Kang et al. [116] for the dual purpose of reducing oil-water IFT and enhancing foam stability in core ...