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Keywords: concentration
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Proceedings Papers
Numerical Study on Tackling Microbial Reservoir Souring During Engineered Water Injection
Available to PurchaseAhmed Fathy, Anas M. Hassan, Mohammad B. AlAbdullah, Emad W. Al-Shalabi, Fabio Bordeaux Rego, Mojdeh Delshad, Kamy Sepehrnoori
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Improved Oil Recovery Conference, April 22–25, 2024
Paper Number: SPE-218236-MS
... have been injected during waterflooding. However, the effectiveness of biocides, particularly within the context of representative reservoir conditions like temperature, pressure, and water composition (salinity, carbon source and abundance, sulfate concentrations, etc.), has not been thoroughly...
Proceedings Papers
A Data-Based Continuous and Predictive Viscosity Model for the Oil-Surfactant-Brine Microemulsion Phase
Available to PurchasePublisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Improved Oil Recovery Conference, April 22–25, 2024
Paper Number: SPE-218134-MS
... interfacial system to generate a dataset of viscosity values as a function of different temperatures, surfactant concentrations, and salinities. The viscosity testing and training data are computationally measured using the Einstein relation of the Green-Kubo formula. Several machine learning (ML) based...
Proceedings Papers
A Comprehensive Approach to Modelling Air Injection Based Enhanced Oil Recovery Processes
Available to PurchasePublisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Improved Oil Recovery Conference, April 22–25, 2024
Paper Number: SPE-218153-MS
... simulated core temperature gas injection method artificial intelligence flammable pseudo-component fraction thermocouple complex reservoir modeling & simulation experiment oxygen asphaltene geology reaction heavy oil play combustion concentration air injection university residue...
Proceedings Papers
First Field Implementation of a Universal Method to Determine Polymer Concentration in Production Fluids During Polymer Flooding Operations Using Size Exclusion Chromatography
Available to PurchasePublisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Improved Oil Recovery Conference, April 22–25, 2024
Paper Number: SPE-218142-MS
... Abstract Polymer flooding is a widely employed Enhanced Oil Recovery (EOR) technique, aimed at improving sweep efficiency and maximizing hydrocarbon recovery. Accurate monitoring of polymer concentration in production fluids is essential for optimizing EOR operations and assessing reservoir...
Proceedings Papers
Lessons Learned from the Implementation of Two Thermally Active Polymer Campaigns as an In-Depth Conformance Technology: Yariguí Field, Colombia
Available to PurchaseM. Gutierrez, L. M. Corredor, R. H. Castro, C. Barbosa, H. I. Quintero, J. S. Garcia, M. Kazempour, G. Peñuela, Y. F. Pachon, A. J. Cabezas, J. Rojas, E. J. Manrique
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Improved Oil Recovery Conference, April 22–25, 2024
Paper Number: SPE-218208-MS
.... The injection process for the first pattern started on December 14, 2020, entailing a cumulative injection of 6,344 barrels of water containing TAP at an injection rate of 700 barrels per day. The TAP concentration gradually increased from 3,500 ppm to 12,000 ppm. Subsequently, the second injection pattern...
Proceedings Papers
Selection of EOR Polymers for Carbonates from Laboratory Scale to Yard Scale: Observations and Insights
Available to PurchaseDennis Alexis, Erik Smith, Varadarajan Dwarakanath, Do Hoon Kim, Marlon Solano, Peter New, Greg Winslow
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Improved Oil Recovery Conference, April 22–25, 2024
Paper Number: SPE-218207-MS
... polymer at the field scale, yard-scale tests are an important component in the overall screening process. Yard-scale tests identify polymer mixing operating envelopes in terms of mother solution concentrations and more importantly sensitivity of the mixed polymer with respect to variable water quality...
Proceedings Papers
Synergistic Impact of Low Salinity and Surfactant on Wettability Alteration in Carbonates
Available to PurchasePublisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Improved Oil Recovery Conference, April 22–25, 2024
Paper Number: SPE-218196-MS
... geology surfactant flow in porous media rock type sedimentary rock carbonate rock mineral chemical flooding methods core analysis formulation salinity concentration wettability alteration enhanced recovery brine permeability spontaneous imbibition pw 40 cationic surfactant experiment...
Proceedings Papers
An Improved Reservoir Understanding of the Impact of Initial Oil Composition and Residual Oil Saturation on Brine Composition and Calcite Scaling During CO 2 – WAG EOR in Carbonate Reservoirs
Available to PurchasePublisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Improved Oil Recovery Conference, April 22–25, 2024
Paper Number: SPE-218202-MS
... initial oil compositions and residual oil saturations in the reservoir using reactive transport modelling. Geochemical parameters, such as concentrations of CO 2 , Ca 2+ , HCO 3 - and pH are analysed as the propagating injection fronts reach the producer block. The study uses a 1D model of WAG...
Proceedings Papers
Chemical Tracer Application to Compare Napthalene Sulfonic Acid and Sodium Fluorobenzoic Acid as Part of Polymer Field Trial Project
Available to PurchasePublisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Improved Oil Recovery Conference, April 22–25, 2024
Paper Number: SPE-218180-MS
... 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...
Proceedings Papers
Designing an In-Depth Conformance Gel System for Carbonate Reservoirs
Available to PurchasePublisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Improved Oil Recovery Conference, April 22–25, 2024
Paper Number: SPE-218181-MS
... this goal, four gel systems were investigated. The influence of three parameters has been evaluated, namely polymer concentration, crosslinker concentration and aging temperature. Aging tests were performed at reservoir temperature and gelation tests at slightly lower temperature, representative of near...
Proceedings Papers
Surfactant-Polymer Flooding-Coupling the Development to a Previous Mobile-Modular Polymer Development
Available to PurchaseV. Serrano, N. Ojeda, A. Tosi, P. Guillen, L. Hernandez, A. Zurletti, D. Martinez, H. Campos, A. Ruiz, J. E. Juri, L. Legarto, M. Souto, H. Blanco
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Improved Oil Recovery Conference, April 22–25, 2024
Paper Number: SPE-218166-MS
... injection retention asp asp coreflood saturation geologist chemical flooding methods reservoir formulation development concentration Introduction The combination of alkali, surfactant, and polymer components within the ASP approach offered the potential to yield considerable value...
Proceedings Papers
Recent Advances in Modeling Polymer Flooding
Available to PurchaseZ. Li, R. M. Dean, H. Lashgari, H. Luo, J. W. Driver, W. Winoto, G. A. Pope, S. Thach, V. Dwarakanath, L. Mathis, L. Wood, L. Nurmi, S. Hanski, E. Pin
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Improved Oil Recovery Conference, April 22–25, 2024
Paper Number: SPE-218219-MS
... to design and optimize a polymer flood including the selection of the best polymer to use for specific reservoir conditions. The new polymer viscosity model implemented in UTCHEM can be used to calculate polymer viscosity more accurately as a function of polymer concentration, shear rate, salinity...
Proceedings Papers
Adsorption Kinetics of Copolymers and Sulfonated Polymers for Enhanced Oil Recovery
Available to PurchasePublisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Improved Oil Recovery Conference, April 22–25, 2024
Paper Number: SPE-218215-MS
..." concentration, high and low dosages did not show non-equilibrium effects. Lew et al. (2022) also examined polyacrylamide adsorption under stirred conditions, though using powdered calcium carbonate (~3 <m) and report kinetic equilibrium after ~18 hours. To extend the understanding of the adsorption...
Proceedings Papers
Polymer Solution Preparation and Quality Control at Milne Point
Available to PurchasePublisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Improved Oil Recovery Conference, April 22–25, 2024
Paper Number: SPE-218214-MS
.... Mixing the two streams too close to the wellhead led to substantial variations in wellhead viscosity measurements. Dedicating individual pumps for injection into a given well provided desirable flexibility in controlling rates and concentrations of polymer for the well. Monitoring produced salinity...
Proceedings Papers
Low Dosage Novel Surfactant Technology for Improving Polymer Injectivity in Atlee Buffalo Oil Pools
Available to PurchaseKai He, Trinh Tran, Alireza Roostapour, Eric Tudor, Mehrnoosh Moradi, Chad Gilmer, Ashley Ramsden-Wood
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Improved Oil Recovery Conference, April 22–25, 2024
Paper Number: SPE-218190-MS
... employed a meticulously designed injection scheme to evaluate the impact of surfactants on improving polymer injectivity. Given the low dosage application strategy, it is imperative to choose a surfactant that can consistently maintain a low IFT at low surfactant concentrations. The preliminary IFT scans...
Proceedings Papers
Investigating Imbibition Rate and Oil Recovery Mechanisms from Fractured Formations by Hybrid EOR Approaches
Available to PurchasePublisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Improved Oil Recovery Conference, April 22–25, 2024
Paper Number: SPE-218157-MS
... for designing hybrid approaches that optimize EOR techniques tailored to fractured reservoirs’ complexities. geology geological subdiscipline geologist enhanced recovery reservoir surfactant sedimentary rock rock type spontaneous imbibition injection mechanism concentration fractured reservoir...
Proceedings Papers
Chemical EOR Field Support Including Surfactant Blending Studies and Quality Control for Shale and Tight Assets
Available to PurchasePublisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Improved Oil Recovery Conference, April 22–25, 2024
Paper Number: SPE-218138-MS
... sedimentary rock geologist geology surfactant slickwater batch surfactant 2 criteria mudrock enhanced recovery concentration hydraulic fracturing mudstone stability aqueous stability polymer surfactant 1 composition viscosity spe improved oil recovery conference rock type chemical...
Proceedings Papers
Development and Evaluation of Novel Emulsion and Foam Breakers for Chemical EOR Applications
Available to PurchaseSujeewa S. Palayangoda, Gayani W. Pinnawala, Mohamad Salman, Christopher Griffith, Varadarajan Dwarakanath
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Improved Oil Recovery Conference, April 22–25, 2024
Paper Number: SPE-218283-MS
... 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...
Proceedings Papers
Surfactant Huff n Puff Field Trials in Eagle Ford Shale – A Treatment Design Comparative Analysis
Available to PurchaseI. Z. Ataceri, G. W. Haddix, D. S. Schechter, V. A. Brock, K. H. Raney, C. W. Strickland, G. R. Morris, H. Nasrabadi
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Improved Oil Recovery Conference, April 22–25, 2024
Paper Number: SPE-218135-MS
... wettability and facilitating spontaneous imbibition in the presence of the PLA diverter and with different Eagle Ford samples. Post-stimulation monitoring of produced water for total dissolved solids (TDS) and surfactant concentration demonstrates the extent of treatment dispersion to the formation...
Proceedings Papers
The Effect of Small Molecule Gas-Soluble Polymers on Minimum Miscibility Pressure During CO 2 Injection
Available to PurchasePublisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Improved Oil Recovery Conference, April 22–25, 2024
Paper Number: SPE-218156-MS
.... The dilute concentrations of polymers (1000 to 50000 ppm) were considered to dissolve in CO 2 at 60 and 80 °C. According to the cloud point pressure results, the small molecule CO 2 -soluble polymers dissolved in carbon dioxide at pressures consistent with gas-based EOR methods (less than 2500 psi) at both...
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