Surfactant flooding is an enhanced oil recovery (EOR) method for recovering residual in the reservoir through mechanism of interfacial tension (IFT) reduction and wettability alteration. Due to toxicity high cost associated with conventional surfactants, recent research has focussed on developing low-cost environmentally benign surfactants. Herein, a green surfactant extracted from Vernonia Amy...

The petroleum industry is developing technology to increase oil recovery in reservoirs. One of the technologies used Enhanced Oil Recovery (EOR). Selecting an EOR method for a specific reservoir condition one most challenging tasks engineer. This study tries build fuzzy logic-based screening system determine method. It created intending be able assist selecting and determining appropriate field...

The present study investigates the effect of TiO2 nanoparticles on stability Enhanced Oil Recovery (EOR)-produced stable emulsion. chemical precipitation method is used to synthesize nanoparticles, and their properties were determined using various analytical characterization techniques such as X-ray Diffraction (XRD), High-Resolution Transmission Electron Microscopy (HRTEM), Field Emission Sca...

Grieve oil field, discovered in 1954, is located in southeastern Wind River Basin, central Wyoming. This Lower Cretaceous, valley-fill and channelized, Muddy sandstone reservoir is a stratigraphic/structural trap with an average structural dip of 15 degrees. Multiple recovery mechanisms have contributed to produce more than 30 million barrels of premium light sweet crude, including gas expansio...

Abstract Chemical enhanced oil recovery (EOR) processes are usually used as additives for hydrocarbon production due to its simplicity and relatively reasonable additional costs. Polymer flooding uses polymer solutions increase by decreasing the water/oil mobility ratio increasing viscosity of displacing water. The commonly synthetic water-soluble in EOR application is partially hydrolyzed poly...

Optimization studies are an important task in reservoir engineering practices such as production optimization and EOR (Enhanced Oil Recovery) assessments. However, they extensive with many simulations that require huge computational effort resources. In terms of EOR, CO2 injection is one the most common methods employed due to a high recovery potential environmental benefits. To assess feasibil...

The Biqian-10 block, located in Henan Oilfield of Sinopic, contains many thin and interbedded reservoirs, which have been operated by cyclic steam stimulation for 20 years or more. Therefore, it is a challenge to implement the conventional steam flooding. In order to improve the recovery of steam flooding, urea was used to assist steam flooding. Urea can decompose into CO2 and NH3, which are be...

In conventional chemical Enhanced Oil Recovery (EOR), surfactant mixtures must be optimized to obtain the so-called “optimum formulation” characterized by a three-phase behaviour (WIII) and an ultra-low interfacial tension between crude oil injected water. To attain this condition, discontinuous salinity scans of Surfactant-Oil-Water (SOW) systems are usually performed in series sealed pipettes...

During this study, a comprehensive investigation of low salinity water alternating CO2 injection was performed for enhanced oil recovery in oil-wet carbonate reservoirs. A synergy interfacial mechanisms such as IFT, wettability alteration, solubility, swelling, shielding effect, and rock dissolution considered two three-phase systems. Results showed that the monovalent ions, NaCl or KCl, inhibi...