聚合物及其衍生物提高采收率的综合综述

IF 7.4 2区 工程技术 Q1 ENGINEERING, CHEMICAL
Abhishek Tyagi , Sugandha Mahajan , Ganshyam Prajapat , Bharat Shivnani , Devesh M Sawant , Akhil Agrawal
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引用次数: 0

摘要

为了满足世界能源需求,必须增加原油产量。随着全球能源需求的快速增长,石油将在未来30年内成为主要的能源来源。这种能源需求可以通过在边际井中应用提高采收率(EOR)技术或通过勘探新油田来实现。然而,世界已经到了这样一个阶段:从现有油藏中开采石油比钻新井更经济。由于传统的采油方法效率低下且经济上不可持续,EOR成为了从现有成熟油藏中提取剩余油(~ 50% %)的可行方法。在提高采收率领域,生物聚合物因其可获得性、成本效益、环境可持续性、粘弹性和可生物降解性而在石油行业越来越受欢迎。生物聚合物如瓜尔胶、黄原胶、纤维素、威兰胶、硬葡聚糖、裂藻和黄胶有望取代合成聚合物。然而,生物聚合物面临的主要挑战是微生物降解和剪切应力稳定性。温度、盐度、聚合物浓度和化学官能团等因素会显著影响生物聚合物的效率。为了改善这些参数,已经进行了一些研究,以开发改性聚合物,如接枝共聚、与酰基剂酯化、纳米复合功能化、交联和水凝胶形成。最近,化学选择性改性和热增粘生物聚合物被开发出来,以提高油藏条件下的波及效率。改性聚合物可以通过粘度增加、润湿性改变和乳化来提高EOR性能。本文综述了聚合物在实验室和现场研究中的应用,重点介绍了聚合物在提高采收率中的应用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

A comprehensive review of polymers and their derivatives for enhanced oil recovery

A comprehensive review of polymers and their derivatives for enhanced oil recovery
The production of crude oil must be increased to fulfil the world energy demand. As the global need for energy is growing rapidly, oil will serve as the main energy source for next ∼30 years. This energy requirement can be attained through the application of enhanced oil recovery (EOR) technology into marginal wells or by exploring new oil fields. However, the world has reached to a point where the oil recovery from existing reservoirs is more economical than drilling new wells. As the traditional recovery methods are inefficient and less economically sustainable, EOR emerged as viable method to extract the residual oil (∼50 %) from existing mature reservoirs. Within EOR, biopolymers are gaining popularity in the oil industry because of their accessibility, cost-effectiveness, environmental sustainability, viscoelastic behaviour, and biodegradability. Biopolymers like Guar gum, Xanthan gum, Cellulose, Welan gum, Scleroglucan, Schizophyllan, and Gum tragacanth are expected to replace synthetic polymers. However, the main challenge for biopolymers are microbial deterioration and shear-stress stability. Factors like temperature, salinity, polymer concentration, and chemical functional groups significantly impact biopolymer efficiency. To improve these parameters several studies have been conducted for the development of modified polymers using methods like grafting copolymerization, esterification with acylants, nanocomposite functionalization, crosslinking, and hydrogel formation. Recently, chemo-selectively modified and thermo-viscosifying biopolymers have been developed to increase sweep efficiency under reservoir conditions. Modified polymers may enhance EOR performance by viscosity increment, wettability alteration and emulsification. This review discusses polymers used in laboratory and field studies, highlighting their application in EOR.
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来源期刊
Journal of Environmental Chemical Engineering
Journal of Environmental Chemical Engineering Environmental Science-Pollution
CiteScore
11.40
自引率
6.50%
发文量
2017
审稿时长
27 days
期刊介绍: The Journal of Environmental Chemical Engineering (JECE) serves as a platform for the dissemination of original and innovative research focusing on the advancement of environmentally-friendly, sustainable technologies. JECE emphasizes the transition towards a carbon-neutral circular economy and a self-sufficient bio-based economy. Topics covered include soil, water, wastewater, and air decontamination; pollution monitoring, prevention, and control; advanced analytics, sensors, impact and risk assessment methodologies in environmental chemical engineering; resource recovery (water, nutrients, materials, energy); industrial ecology; valorization of waste streams; waste management (including e-waste); climate-water-energy-food nexus; novel materials for environmental, chemical, and energy applications; sustainability and environmental safety; water digitalization, water data science, and machine learning; process integration and intensification; recent developments in green chemistry for synthesis, catalysis, and energy; and original research on contaminants of emerging concern, persistent chemicals, and priority substances, including microplastics, nanoplastics, nanomaterials, micropollutants, antimicrobial resistance genes, and emerging pathogens (viruses, bacteria, parasites) of environmental significance.
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