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常规与淀粉辅助抗盐聚合物注入之间的关系以及结晶度对驱油形成的影响。

Relation between Conventional and Starch-Assisted ASP Injection and Impact of Crystallinity on Flood Formation.

作者信息

Al-Jaber Hasanain A, Arsad Agus, Bandyopadhyay Sulalit, Jaafar Mohd Zaidi, Tahir Muhammad, Nuhma Mustafa Jawad, Abdulmunem Abdulmunem R, Abdulfatah Mohammad Yasin, Alias Hajar

机构信息

UTM-MPRC Institute for Oil and Gas, Faculty of Engineering, Universiti Teknologi Malaysia, UTM, Skudai 81310, Johor, Malaysia.

Department of Chemical Industries Technologies, Southern Technical University, Zubair, Basrah 61006, Iraq.

出版信息

Molecules. 2023 Sep 18;28(18):6685. doi: 10.3390/molecules28186685.

DOI:10.3390/molecules28186685
PMID:37764461
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC10535427/
Abstract

Alkaline-surfactant-polymer (ASP) flooding, a recognized method for oil recovery, encounters limited use due to its expense. In addition, ASP's best composition and injection sequence still remains uncertain today. This study explores conventional ASP flooding using PT SPR Langgak's special surfactants, simulating Langgak oilfield conditions in Sumatra, Indonesia. By comparing the outcomes of this flooding technique with that of starch-assisted ASP performed in another study, the benefits of adding starch nanoparticles to flooding are evident. Nano-starch ASP increased oil recovery by 18.37%, 10.76%, and 10.37% for the three configurations investigated in this study. Water flooding preceded ASP flooding, and flooding operations were carried out at 60 °C. This study employed sodium hydroxide (NaOH), sodium carbonate (NaCO), and specialized surfactants from PT SPR. The adopted polymer is solely hydrolyzed polyacrylamide (HPAM) at 2000 ppm. Starch nanoparticles underwent comprehensive characterization and focused more on charge stability. Purple yam nanoparticles (PYNPs) exhibited remarkable stability at -36.33 mV, unlike cassava starch nanoparticles (CSNPs') at -10.68 mV and HPAM's at -27.13 mV. Surface properties affect interactions with fluids and rocks. Crystallinity, a crucial characterization, was assessed using Origin software 2019b. CSNPs showed 24.15% crystallinity, surpassing PYNPs' 20.68%. Higher crystallinity benefits CSNPs' thermal stability. The amorphous behavior found in PYNPs makes them less suitable if applied in harsh reservoirs. This research correlated with prior findings, reinforcing starch nanoparticles' role in enhancing oil recovery. In summary, this study highlighted conventional ASP flooding using HPAM as the sole polymer and compared it with three formations that used two starch nanoparticles included with HPAM, assessing their impact on charge stability, crystallinity, and recovery rate to emphasize their importance in the oil recovery industry. Starch nanoparticles' benefits and limitations guided further investigation in this study.

摘要

碱性表面活性剂聚合物(ASP)驱油是一种公认的采油方法,但由于成本较高,其应用受到限制。此外,ASP的最佳配方和注入顺序至今仍不确定。本研究利用PT SPR Langgak的特殊表面活性剂探索传统的ASP驱油,模拟印度尼西亚苏门答腊Langgak油田的条件。通过将这种驱油技术的结果与另一项研究中进行的淀粉辅助ASP的结果进行比较,添加淀粉纳米颗粒到驱油中的好处显而易见。对于本研究中研究的三种配置,纳米淀粉ASP使采收率分别提高了18.37%、10.76%和10.37%。水驱在ASP驱之前进行,驱油作业在60℃下进行。本研究采用了氢氧化钠(NaOH)、碳酸钠(NaCO)和PT SPR的特殊表面活性剂。所采用的聚合物仅为2000 ppm的部分水解聚丙烯酰胺(HPAM)。对淀粉纳米颗粒进行了全面表征,并更关注电荷稳定性。紫山药纳米颗粒(PYNP)在-36.33 mV时表现出显著的稳定性,与木薯淀粉纳米颗粒(CSNP)在-10.68 mV和HPAM在-27.13 mV时不同。表面性质影响与流体和岩石的相互作用。使用Origin软件2019b评估了作为关键表征的结晶度。CSNP的结晶度为24.15%,超过了PYNP的20.68%。较高的结晶度有利于CSNP的热稳定性。在PYNP中发现的无定形行为使其在苛刻储层中应用时不太合适。本研究与先前的研究结果相关,强化了淀粉纳米颗粒在提高采收率方面的作用。总之,本研究突出了使用HPAM作为唯一聚合物的传统ASP驱油,并将其与使用两种与HPAM一起的淀粉纳米颗粒的三种地层进行了比较,评估了它们对电荷稳定性、结晶度和采收率的影响,以强调它们在采油行业中的重要性。淀粉纳米颗粒的优点和局限性为本研究的进一步研究提供了指导。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6606/10535427/713001303830/molecules-28-06685-g014.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6606/10535427/2012f12c177e/molecules-28-06685-g004.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6606/10535427/92f70f4caac8/molecules-28-06685-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6606/10535427/2012f12c177e/molecules-28-06685-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6606/10535427/0ef1fb00672e/molecules-28-06685-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6606/10535427/1c29d1f38207/molecules-28-06685-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6606/10535427/703d07e96c47/molecules-28-06685-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6606/10535427/0a7205be1be6/molecules-28-06685-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6606/10535427/8b48961425d1/molecules-28-06685-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6606/10535427/054373eadaaf/molecules-28-06685-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6606/10535427/bb7d39c041c9/molecules-28-06685-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6606/10535427/228e5bac1c33/molecules-28-06685-g012.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6606/10535427/842b45cffea7/molecules-28-06685-g013.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6606/10535427/713001303830/molecules-28-06685-g014.jpg

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Ultrasound based modification and structural-functional analysis of corn and cassava starch.基于超声的玉米和木薯淀粉的改性及结构-功能分析。
Ultrason Sonochem. 2021 Dec;80:105795. doi: 10.1016/j.ultsonch.2021.105795. Epub 2021 Oct 15.
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Green and clean modification of cassava starch - effects on composition, structure, properties and digestibility.木薯淀粉的绿色清洁改性-对组成、结构、性能和消化性的影响。
Crit Rev Food Sci Nutr. 2022;62(28):7801-7826. doi: 10.1080/10408398.2021.1919050. Epub 2021 May 8.
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