... scenario application sequestration objective solubility objective scf stb co2 flooding correlation co2 solubility merchant air emission carbonate reservoir reservoir simulation gas injection method flow in porous media pvt measurement subsurface storage fluid dynamics complex reservoir...

... condition in the reservoir. The injection and production rates were balanced for the test duration. Bottom-hole temperature is about 85°C. geology geological subdiscipline tracer tracer test analysis petroleum engineer society producer tracer history application concentration compound nsa...

... discharge enhanced recovery geologist chemical flooding methods viscosity injection polymer concentration hsiw crosslinker tpw strength foam flooding experiment salinity waterflooding reservoir gel strength application polymer flooding Introduction Huge volumes of water...

..., and process efficiency were included. Finally, there is a discussion about the technical efforts in the implemented technology, new challenges, and critical parameters for the massification stage in the country, considering analysis, candidate selection, design, field application, and post-treatment...

... Abstract Polymer injection is a technique that has been applied worldwide to improve oil reservoir volumetric sweep efficiency and increase the recovery factor. Different applications using partially hydrolyzed polyacrylamide (HPAM) polymers have been carried out in some Colombian fields since...

..., highlighting the practical potential of these particles for oil reservoir applications. With a simple dropwise stirring "one-pot" synthesis method, the thermoplastic elastic particles offer advantages including straightforward synthesis, environmental friendliness, excellent mechanical performance, thermal...

... Abstract Qualification of polymers for Chemical EOR applications typically involves following standard screening laboratory procedures to evaluate mixing efficiency, filterability, long term injectivity and oil displacement characteristics. However, to evaluate mixing performance of a selected...

... indicate gas penetration induces saturation changes on reasonable time scales. Wettability alteration by surfactants as determined by contact angle measurements will be presented. Ample contact angle and imbibition data demonstrate that wettability alteration is the key to application of surfactants...

... Abstract Carbonate-based mineral dissolution and precipitation, driven by carbon dioxide (CO 2 ) injection, introduces complexities into carbonate reservoir systems, triggering interactions that are different than those seen in traditional CO 2 enhanced oil recovery (CO 2 -EOR) applications...

... under various conditions. Currently, many investigations have been reported to apply conventional data analysis methods to analyze different sets of surfactant huff-puff projects. Yet the application of machine learning algorithms to reveal the inherent patterns is rarely reported. In this study, we...

... Abstract For a successful polymer EOR application, maintaining high polymer injectivity below fracture pressure is important to prevent fracture propagation in the reservoir causing fast breakthrough. Adding surfactant into the polymer system can facilitate the reduction of interfacial tension...

... chemistry separation and treating drilling fluid management & disposal agent experiment emulsion partition coefficient salinity partitioning agent application egbe anionic surfactant emulsion breaker chemical treatment enhanced recovery concentration demulsifier breaker nonionic...

... problem reservoir surveillance chemical flooding methods climate change application neural network journal ast-graphtran prediction coefficient artificial intelligence production monitoring machine learning constraint information sequestration objective equation Introduction...

... Abstract This paper surveys the role of re-crosslinkable preformed particle gels (RPPG) in addressing conformance challenges within mature oilfields. Despite widespread preformed particle gel (PPG) application in 15,000+ wells, their limitations in sealing fractures and conduits prevalent...

... Abstract In this study we primarily focused on CO2 EOR tool development for offshore applications where well-distances tend to be larger than the onshore applications along with higher permeabilities. Furthermore, most of the offshore cases show a wider spectrum of variability in terms of fluid...

... Abstract Nanoparticle-based enhanced oil recovery (Nano-EOR) is an improved waterflooding assisted by nanoparticles dispersed in injection water (nanofluid). Although Nano-EOR has been revealed to become a promising technique from many laboratory experiments, field applications are still...

... similar conditions. Integrating subsurface assessment, surveillance, and engineering data has proven to improve the performance and recovery of the Alpha field. The extensive application of reservoir connectivity appears to be an important tool to economically extend the life of this mature field, achieve...

... fraction injection ga mole fraction reservoir zhong on-chip oil swelling measurement platform application geologist equation of state gas-in-oil compound slug fuel minimum miscibility pressure Introduction With a majority of reservoirs being depleted over several decades of primary...

... Abstract It has been over 40 years since the publication of an early paper titled 'Polymer Flooding, Yesterday, Today, and Tomorrow' in the Journal of Petroleum Technology ( Chang, 1978 ). Significant progress has been achieved since then, with successful commercial-scale applications in China...

... applications. Therefore, this work presents an innovative machine-learning (ML) workflow using convolutional neural networks (CNNs) for the estimation of residual oil saturation ( S or ) based on the generation of partitioning tracer responses in heterogeneous media. To train the CNN model a Python-based...