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Mohammadi S, Hemmat A, Afifi H, Mahmoudi Alemi F. Improvement of the Rheological Behavior of Viscoelastic Surfactant Fracturing Fluids by Metallic-Type Nanoparticles. ACS OMEGA 2024; 9:28676-28690. [PMID: 38973834 PMCID: PMC11223126 DOI: 10.1021/acsomega.4c03000] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/28/2024] [Revised: 06/10/2024] [Accepted: 06/12/2024] [Indexed: 07/09/2024]
Abstract
The use of nanotechnology in the field of acidizing, particularly in fracturing fluids, has garnered significant attention over the past decade. Viscoelastic surfactants (VESs) are utilized as one of the most effective fracturing fluids, possessing both elasticity and viscosity properties. These fluids are crucial additives in acidizing packages, enhancing their performance. However, various factors, such as salinity, temperature, pressure, and concentration, can sometimes weaken the efficacy of these fluids. To address this, the integration of nanoparticles has been explored to improve fluid retention in reservoirs and enhance the efficiency. This study focuses on investigating the impact of the main metallic-type nanoparticles on the rheological behavior of VES fluids. Iron oxide, magnesium oxide, and zinc oxide nanoparticles were utilized, and the microscopic-scale rheological behavior of the fluids was thoroughly evaluated. The highest performance for enhancing fluid gelation, stability, and rheological characteristics of VES fluids was found for Fe2O3 nanoparticles at an optimum concentration of 500 ppm. At this concentration and shear rate of 100 s-1, the viscosity of the fluid reached 169.61 cP. For iron oxide nanoparticles at a concentration of 500 ppm, by increasing the temperature from 25 to 85 °C, the gelation state of the fluid increased from 7 h and 50 min to 17 h and 45 min. This improvement is attributed to their high surface area and the increased density of entanglement points within the micelles, leading to a more interconnected structure with enhanced viscoelastic properties. Furthermore, iron oxide nanoparticles significantly enhance gelation by physically connecting the micelles, thereby improving stability and structure. The absorption of surfactant molecules by the nanoparticles additionally contributes to micelle reconstruction and shape alteration. The presence of iron oxide nanoparticles helps maintain the gel structure even at elevated temperatures, preventing rapid viscosity decrease. Our findings may provide new insights for development of high-performance, economical, and environment-friendly fracturing fluids used in well stimulation operations.
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Affiliation(s)
- Saber Mohammadi
- Petroleum
Engineering Department, Research Institute
of Petroleum Industry (RIPI), Tehran 14665-1998, Iran
| | - Alimohammad Hemmat
- Department
of Chemical Engineering, Isfahan University
of Technology, Isfahan 84156-83111, Iran
| | - Hamidreza Afifi
- Petroleum
Engineering Department, Research Institute
of Petroleum Industry (RIPI), Tehran 14665-1998, Iran
| | - Fatemeh Mahmoudi Alemi
- Petroleum
Engineering Department, Research Institute
of Petroleum Industry (RIPI), Tehran 14665-1998, Iran
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Vakros J, Hapeshi E, Cannilla C, Bonura G. Synthesis, Characterization and Performance of Materials for a Sustainable Future. Polymers (Basel) 2023; 16:124. [PMID: 38201789 PMCID: PMC10781042 DOI: 10.3390/polym16010124] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Accepted: 11/15/2023] [Indexed: 01/12/2024] Open
Abstract
The current era has been defined as "The Plastic Era", considering that over the past 50 years the role and importance of polymeric materials in our economy has steadily grown, reaching a production of around a few hundred million tons per year which may even double in the next 20 years [...].
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Affiliation(s)
- John Vakros
- Department of Chemical Engineering, University of Patras, Caratheodory 1, University Campus, 26504 Patras, Greece;
- Department of Health Sciences, School of Life and Health Sciences, University of Nicosia, 46 Makedonitissas Avenue, CY-2417, P.O. Box 24005, Nicosia 1700, Cyprus;
| | - Evroula Hapeshi
- Department of Health Sciences, School of Life and Health Sciences, University of Nicosia, 46 Makedonitissas Avenue, CY-2417, P.O. Box 24005, Nicosia 1700, Cyprus;
| | - Catia Cannilla
- Institute for Advanced Energy Technologies “Nicola Giordano” ITAE, National Research Council (CNR), 98126 Messina, Italy;
| | - Giuseppe Bonura
- Institute for Advanced Energy Technologies “Nicola Giordano” ITAE, National Research Council (CNR), 98126 Messina, Italy;
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Wang H, Ji Y, Jiang X, Li Z. Study on Rheological Properties and Pouring Process of Hydroxyl-Terminated Polybutadiene (HTPB) Propellants. Polymers (Basel) 2023; 15:4707. [PMID: 38139959 PMCID: PMC10748002 DOI: 10.3390/polym15244707] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2023] [Revised: 12/08/2023] [Accepted: 12/10/2023] [Indexed: 12/24/2023] Open
Abstract
The process of solid propellant production, which is the most widely used high-energy material, has garnered significant attention from researchers. However, there have been relatively few studies on its processing, due to the unique nature of the casting process. This paper aims to further analyze the pouring process of the propellant slurry. Initially, we obtained a sample of the propellant slurry and measured its rheological parameters using a rotary rheometer. From the analysis of the experimental results, we derived the viscosity parameters and the yield values of the propellant slurry. Subsequently, we simulated the pouring process, setting the slurry parameters based on the data obtained from the rheological measurement experiment. The simulation results demonstrated that the flower plate significantly impacts upon the cutting and separating effect on the slurry during pouring. Upon leaving the flower plate, the slurry descends onto the core mold platform under the influence of gravity, gradually flowing along the edge of the core mold. Although there may be some small voids in the pouring process, the voids will disappear completely at the end of pouring. A comparison with the actual pouring situation revealed a higher consistency between the simulation results and reality, thus establishing the reliability of the simulation method as a reference for analyzing the pouring process.
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Affiliation(s)
- Haoyu Wang
- College of Science, Inner Mongolia University of Technology, Hohhot 010000, China; (H.W.); (Y.J.)
| | - Yongchao Ji
- College of Science, Inner Mongolia University of Technology, Hohhot 010000, China; (H.W.); (Y.J.)
| | - Xiaorui Jiang
- School of Civil Engineering, Hebei University of Engineering, Handan 056000, China
| | - Zhuo Li
- College of Science, Inner Mongolia University of Technology, Hohhot 010000, China; (H.W.); (Y.J.)
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Zeynalli M, Mushtaq M, Al-Shalabi EW, Alfazazi U, Hassan AM, AlAmeri W. A comprehensive review of viscoelastic polymer flooding in sandstone and carbonate rocks. Sci Rep 2023; 13:17679. [PMID: 37848683 PMCID: PMC10582192 DOI: 10.1038/s41598-023-44896-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Accepted: 10/13/2023] [Indexed: 10/19/2023] Open
Abstract
Polymer flooding is a proven chemical Enhanced Oil Recovery (cEOR) method that boosts oil production beyond waterflooding. Thorough theoretical and practical knowledge has been obtained for this technique through numerous experimental, simulation, and field works. According to the conventional belief, this technique improves macroscopic sweep efficiency due to high polymer viscosity by producing moveable oil that remains unswept after secondary recovery. However, recent studies show that in addition to viscosity, polymer viscoelasticity can be effectively utilized to increase oil recovery by mobilizing residual oil and improving microscopic displacement efficiency in addition to macroscopic sweep efficiency. The polymer flooding is frequently implemented in sandstones with limited application in carbonates. This limitation is associated with extreme reservoir conditions, such as high concentrations of monovalent and divalent ions in the formation brine and ultimate reservoir temperatures. Other complications include the high heterogeneity of tight carbonates and their mixed-to-oil wettability. To overcome the challenges related to severe reservoir conditions, novel polymers have been introduced. These new polymers have unique monomers protecting them from chemical and thermal degradations. Monomers, such as NVP (N-vinylpyrrolidone) and ATBS (2-acrylamido-2-methylpropane sulfonic acid), enhance the chemical resistance of polymers against hydrolysis, mitigating the risk of viscosity reduction or precipitation in challenging reservoir conditions. However, the viscoelasticity of these novel polymers and their corresponding impact on microscopic displacement efficiency are not well established and require further investigation in this area. In this study, we comprehensively review recent works on viscoelastic polymer flow under various reservoir conditions, including carbonates and sandstones. In addition, the paper defines various mechanisms underlying incremental oil recovery by viscoelastic polymers and extensively describes the means of controlling and improving their viscoelasticity. Furthermore, the polymer screening studies for harsh reservoir conditions are also included. Finally, the impact of viscoelastic synthetic polymers on oil mobilization, the difficulties faced during this cEOR process, and the list of field applications in carbonates and sandstones can also be found in our work. This paper may serve as a guide for commencing or performing laboratory- and field-scale projects related to viscoelastic polymer flooding.
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Affiliation(s)
- Mursal Zeynalli
- Chemical and Petroleum Engineering Department, Khalifa University of Science and Technology, SAN Campus, Abu Dhabi, UAE
| | - Muhammad Mushtaq
- Chemical and Petroleum Engineering Department, Khalifa University of Science and Technology, SAN Campus, Abu Dhabi, UAE
| | - Emad W Al-Shalabi
- Chemical and Petroleum Engineering Department, Khalifa University of Science and Technology, SAN Campus, Abu Dhabi, UAE.
| | - Umar Alfazazi
- Chemical and Petroleum Engineering Department, Khalifa University of Science and Technology, SAN Campus, Abu Dhabi, UAE
| | - Anas M Hassan
- Chemical and Petroleum Engineering Department, Khalifa University of Science and Technology, SAN Campus, Abu Dhabi, UAE
| | - Waleed AlAmeri
- Chemical and Petroleum Engineering Department, Khalifa University of Science and Technology, SAN Campus, Abu Dhabi, UAE
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Patel MC, Ayoub MA, Idress MB, Sircar A. Development of a Novel Surfactant-Based Viscoelastic Fluid System as an Alternative Nonpolymeric Fracturing Fluid and Comparative Analysis with Traditional Guar Gum Gel Fluid. Polymers (Basel) 2023; 15:polym15112444. [PMID: 37299243 DOI: 10.3390/polym15112444] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Revised: 04/26/2023] [Accepted: 04/28/2023] [Indexed: 06/12/2023] Open
Abstract
Surfactant-based viscoelastic (SBVE) fluids have recently gained interest from many oil industry researchers due to their polymer-like viscoelastic behaviour and ability to mitigate problems of polymeric fluids by replacing them during various operations. This study investigates an alternative SBVE fluid system for hydraulic fracturing with comparable rheological characteristics to conventional polymeric guar gum fluid. In this study, low and high surfactant concentration SBVE fluid and nanofluid systems were synthesized, optimized, and compared. Cetyltrimethylammonium bromide and counterion inorganic sodium nitrate salt, with and without 1 wt% ZnO nano-dispersion additives, were used; these are entangled wormlike micellar solutions of cationic surfactant. The fluids were divided into the categories of type 1, type 2, type 3, and type 4, and were optimized by comparing the rheological characteristics of different concentration fluids in each category at 25 °C. The authors have reported recently that ZnO NPs can improve the rheological characteristics of fluids with a low surfactant concentration of 0.1 M cetyltrimethylammonium bromide by proposing fluids and nanofluids of type 1 and type 2. In addition, conventional polymeric guar gum gel fluid is prepared in this study and analyzed for its rheological characteristics. The rheology of all SBVE fluids and the guar gum fluid was analyzed using a rotational rheometer at varying shear rate conditions from 0.1 to 500 s-1 under 25 °C, 35 °C, 45 °C, 55 °C, 65 °C, and 75 °C temperature conditions. The comparative analysis section compares the rheology of the optimal SBVE fluids and nanofluids in each category to the rheology of polymeric guar gum fluid for the entire range of shear rates and temperature conditions. The type 3 optimum fluid with high surfactant concentration of 0.2 M cetyltrimethylammonium bromide and 1.2 M sodium nitrate was the best of all the optimum fluids and nanofluids. This fluid shows comparative rheology to guar gum fluid even at elevated shear rate and temperature conditions. The comparison of average viscosity values under a different group of shear rate conditions suggests that the overall optimum SBVE fluid prepared in this study is a potential nonpolymeric viscoelastic fluid candidate for hydraulic fracturing operation that could replace polymeric guar gum fluids.
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Affiliation(s)
- Mahesh Chandra Patel
- Department of Petroleum Engineering, Universiti Teknologi Petronas, Perak 32610, Malaysia
| | - Mohammed Abdalla Ayoub
- Department of Petroleum Engineering, Universiti Teknologi Petronas, Perak 32610, Malaysia
| | - Mazlin Bt Idress
- Department of Petroleum Engineering, Universiti Teknologi Petronas, Perak 32610, Malaysia
| | - Anirbid Sircar
- School of Petroleum Technology, Pandit Deendayal Energy University, Gandhinagar 382007, Gujarat, India
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Prediction of the Viscoelastic Properties of a Cetyl Pyridinium Chloride/Sodium Salicylate Micellar Solution: (II) Prediction of the Step Rate Experiments. Polymers (Basel) 2022; 14:polym14245561. [PMID: 36559928 PMCID: PMC9787813 DOI: 10.3390/polym14245561] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Revised: 12/09/2022] [Accepted: 12/11/2022] [Indexed: 12/23/2022] Open
Abstract
The reliable viscoelastic characterization and prediction of micellar solution is still required in industrial applications of the solution, e.g., in surfactant flooding and pharmaceuticals. Based on the recent theoretical characterization of the viscoelastic properties of a cetyl pyridinium chloride/sodium salicylate (CPyCl/NaSal) wormlike micellar solution with a structuralized constitutive model in the work published in 2022, the present work predicted five groups of transient shear viscoelasticities of the solution experimentally obtained in 2010, which include the first normal stress difference (N1) versus time curve in the start-up experiment, the shear stress (τ12) in the start-up experiment, τ12 in the long-term start-up experiment, the stress relaxation upon cessation of steady shear flow, and the transient N1/τ12 in the step strain experiment. The study findings clearly show an improvement in the predictions of the viscoelastic properties of the micellar solution compared with those predicted previously. For example, the experimental N1/τ12 is 9 at the strain of 9 in the step strain experiment, and the corresponding previous and present predictions are 2.47 and 8.45, respectively.
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