Chemical and Physical Architecture of Macromolecular Gels for Fracturing Fluid Applications in the Oil and Gas Industry; Current Status, Challenges, and Prospects

Gels, Journal Year: 2024, Volume and Issue: 10(5), P. 338 - 338

Published: May 16, 2024

Hydraulic fracturing is vital in recovering hydrocarbons from oil and gas reservoirs. It involves injecting a fluid under high pressure into reservoir rock. A significant part of fluids the addition polymers that become gels or gel-like conditions. Polymers are employed as viscosifiers friction reducers to provide proppants transport medium. There numerous systems for based on macromolecules. The employment natural man-made linear polymers, also, lesser extent, synthetic hyperbranched additives past one two decades has shown great promise enhancing stability various challenging Modern innovations demonstrate importance developing chemical structures properties improve performance. Key challenges include maintaining viscosity conditions achieving suitable shear-thinning behavior. physical architecture macromolecules novel crosslinking processes essential addressing these issues. effect macromolecule interactions very critical regard efficient qualities successful operations. In future, there potential ongoing studies produce specialized macromolecular solutions increased efficiency sustainability applications.

Language: Английский

---

Branched Polymer Architecture for Modulating Interactions in Material-Bio Interface

Tissue Engineering and Regenerative Medicine, Journal Year: 2025, Volume and Issue: unknown

Published: March 8, 2025

Language: Английский

---

Global Trends in the Research and Development of Petrochemical Waste Gas from 1981 to 2022

Sustainability, Journal Year: 2024, Volume and Issue: 16(14), P. 5972 - 5972

Published: July 12, 2024

As a highly energy-intensive and carbon-emitting industry with significant emissions of volatile organic compounds (VOCs), the petroleum chemical is major contributor to global greenhouse effect ozone layer destruction. Improper treatment petrochemical waste gas (PWG) seriously harms human health natural environment. This study uses CiteSpace VOSviewer conduct scientometric analysis 1384 scholarly works on PWG carbon sequestration published between 1981 2022, revealing basic characteristics, knowledge base, research topic evolution, hotspots field. The results show following: (1) In early stages industry, it was processed tail gas, plant leakage combustion flue that were investigated in research. (2) Later, green environmental protection technology widely studied field treatment, such as biotechnology, catalytic oxidation technology, membrane separation etc., order achieve efficient, low energy consumption number publications related this has increased rapidly. addition, researchers internet things integration, introduction artificial intelligence, big data analysis, other technologies, improve accuracy efficiency exhaust monitoring, control, management. (3) department focused how reduce by optimizing process lines or improving efficiency. Emission reduction low-carbon transition will become main trend future. Switching from renewable feedstock derived captured dioxide, biomass, recycled chemicals an attractive strategy help curb industry. our can provide funding agencies groups information better understand trends directions have emerged 2022 serve reference for future

Language: Английский

---

Transforming Petrochemical Processes: Cutting-Edge Advances in Kaolin Catalyst Fabrication

Applied Sciences, Journal Year: 2024, Volume and Issue: 14(19), P. 9080 - 9080

Published: Oct. 8, 2024

The depletion of conventional light petroleum reserves has intensified the search for alternative sources, notably, low-quality heavy oils and byproducts from crude processing, to meet global demand fuels, energy, petrochemicals. Heavy oil (HO) extra (EHO) represent nearly 70% world’s but require extensive upgrading satisfy refining petrochemical specifications. Their high asphaltene content results in elevated viscosity reduced API gravity, posing significant challenges extraction, transportation, refining. Advanced catalytic approaches are crucial efficient removal conversion feedstocks into valuable fractions. Kaolin, an aluminosilicate mineral, emerged as a key precursor zeolite synthesis promising catalyst processes. This article provides comprehensive exploration kaolin’s geological origins, chemical properties, structural characteristics, well various modification techniques designed improve its performance. Special focus is given application transformation crudes, particularly facilitating breakdown enhancing distillate yields. Finally, future research avenues potential developments kaolin-based catalysis discussed, emphasizing vital role addressing technological linked growing reliance on heavier resources.

Language: Английский

---

Exhaustive Review of CO₂ Sequestration in Depleted Hydrocarbon Reservoirs: Recent Advances, Challenges and Future Prospects

Energy & Fuels, Journal Year: 2024, Volume and Issue: 38(22), P. 21701 - 21734

Published: Nov. 8, 2024

Aging or depleted hydrocarbon reservoirs (AHRs DHRs) represent a promising alternative for CO2 geo-sequestration compared to other geological formations, owing their distinctive characteristics and the availability of pre-existing infrastructure. However, large-scale deployment faces complex, multidimensional challenges that require ongoing research ensure optimal efficiency safety. Despite notable progress in understanding technical processes, significant techno-economic barriers remain. To overcome these obstacles, it is essential adopt critical holistic analysis existing studies while also exploring innovative approaches. Most recent reviews, though contributing significantly, have focused on specific aspects storage reservoirs, neglecting systemic approach integrates various into single analysis. This fragmented leaves gap literature, which may result an incomplete complex interactions between different factors, reducing effectiveness proposed solutions limiting ability anticipate long-term impacts safety sustainability sequestration systems. Additionally, rapid evolution technology scientific knowledge necessitates constant update related DHRs. Incorporating latest technological innovations methodological approaches crucial optimizing carbon capture (CCS) enhancing safety, adapting reservoir management strategies increasing environmental economic constraints. review aims address gaps by providing critical, comprehensive, advances identifying persistent challenges. The integration technical, economic, dimensions unified perspective offers strategic global vision guiding future supporting industrial applications. Furthermore, synthesizing most developments highlighting areas requiring further investigation, this study outlines roadmap AHRs DHRs, offering insights both innovation.

Language: Английский

---

Improvement of a long chain hydrophobic association polyacrylamide in oil by nuclear magnetic resonance imaging technique

Fuel, Journal Year: 2024, Volume and Issue: 371, P. 132102 - 132102

Published: June 8, 2024

Language: Английский

---

Simultaneous effects of temperature and backbone length on static and dynamic properties of high-density polyethylene-1-butene copolymer melt: Equilibrium molecular dynamics approach

e-Polymers, Journal Year: 2024, Volume and Issue: 24(1)

Published: Jan. 1, 2024

Abstract Temperature and chain length play significant roles in determining the physical properties of polymer melts. In current computational research, a molecular dynamics (MD) approach was implemented to describe static dynamic (1) high-density polyethylene-1-butene with 120 beads backbone (PE120) (2) entangled 600 (PE600). The transferable potentials for phase equilibria force fields were used CH 2 defined initial condition. First, equilibrium designed systems reported total energy density convergency at various temperatures ( T 0 = 450, 470, 490 K). Also, gyration radius R g ) end-to-end distance calculated behavior description two PEs. Zero-shear viscosity η ), mean square displacement, diffusion coefficient D estimated define PE120 PE600 systems. MD outputs predicted that 10 ns is sufficient detection inside polymeric samples. After detection, converged 14.97 17.35 Å PE600, respectively 450 Furthermore, show temperature variation can considerably affect time evolution system. Numerically, 49 168 cp K. These results parameter as function are an important output simulations. decreases 24 44 samples increase from With creation entanglements network, reached highest value × −9 m ·s −1 among good consistency experimental reports. It expected result this study be designing improved real applications.

Language: Английский

---

Evaluation of shear resistance of dendritic hydrophobic association polymers

Journal of Polymer Research, Journal Year: 2024, Volume and Issue: 31(11)

Published: Oct. 21, 2024

Language: Английский

---