Improving Shale Stability through the Utilization of Graphene Nanopowder and Modified Polymer-Based Silica Nanocomposite in Water-Based Drilling Fluids

IF 2.8 4区工程技术 Q2 ENGINEERING, CHEMICAL

Processes Pub Date : 2024-08-10 DOI:10.3390/pr12081676

Yerlan Kanatovich Ospanov, Gulzhan Abdullaevna Kudaikulova, Murat Smanovich Moldabekov, Moldir Zhumabaevna Zhaksylykova

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Abstract

Shale formations present significant challenges to traditional drilling fluids due to fluid infiltration, cuttings dispersion, and shale swelling, which can destabilize the wellbore. While oil-based drilling fluids (OBM) effectively address these concerns about their environmental impact, their cost limits their widespread use. Recently, nanomaterials (NPs) have emerged as a promising approach in drilling fluid technology, offering an innovative solution to improve the efficiency of water-based drilling fluids (WBDFs) in shale operations. This study evaluates the potential of utilizing modified silica nanocomposite and graphene nanopowder to formulate a nanoparticle-enhanced water-based drilling fluid (NP-WBDF). The main objective is to investigate the impact of these nanoparticle additives on the flow characteristics, filtration efficiency, and inhibition properties of the NP-WBDF. In this research, a silica nanocomposite was successfully synthesized using emulsion polymerization and analyzed using FTIR, PSD, and TEM techniques. Results showed that the silica nanocomposite exhibited a unimodal particle size distribution ranging from 38 nm to 164 nm, with an average particle size of approximately 72 nm. Shale samples before and after interaction with the graphene nanopowder WBDF and the silica nanocomposite WBDF were analyzed using scanning electron microscopy (SEM). The NP-WBM underwent evaluation through API filtration tests (LTLP), high-temperature/high-pressure (HTHP) filtration tests, and rheological measurements conducted with a conventional viscometer. Experimental results showed that the silica nanocomposite and the graphene nanopowder effectively bridged and sealed shale pore throats, demonstrating superior inhibition performance compared to conventional WBDF. Post adsorption, the shale surface exhibited increased hydrophobicity, contributing to enhanced stability. Overall, the silica nanocomposite and the graphene nanopowder positively impacted rheological performance and provided favorable filtration control in water-based drilling fluids.

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在水基钻井液中利用石墨烯纳米粉体和改性聚合物硅纳米复合材料提高页岩稳定性

页岩地层对传统钻井液提出了巨大挑战，因为流体渗透、切屑分散和页岩膨胀会破坏井筒的稳定性。虽然油基钻井液（OBM）能有效解决这些对环境影响的问题，但其成本限制了其广泛使用。最近，纳米材料（NPs）已成为钻井液技术中一种前景广阔的方法，为提高页岩作业中水基钻井液（WBDFs）的效率提供了一种创新解决方案。本研究评估了利用改性二氧化硅纳米复合材料和石墨烯纳米粉体配制纳米粒子增强型水基钻井液（NP-WBDF）的潜力。主要目的是研究这些纳米颗粒添加剂对 NP-WBDF 的流动特性、过滤效率和抑制性能的影响。本研究采用乳液聚合法成功合成了一种二氧化硅纳米复合材料，并利用傅立叶变换红外光谱、PSD 和 TEM 技术对其进行了分析。结果表明，二氧化硅纳米复合材料呈现出 38 纳米到 164 纳米的单峰粒径分布，平均粒径约为 72 纳米。使用扫描电子显微镜（SEM）分析了与石墨烯纳米粉体万博滚球电竞纤维和二氧化硅纳米复合材料万博滚球电竞纤维相互作用前后的页岩样品。通过原料药过滤试验（LTLP）、高温高压过滤试验（HTHP）以及使用传统粘度计进行的流变学测量，对 NP-WBM 进行了评估。实验结果表明，二氧化硅纳米复合材料和石墨烯纳米粉体有效地桥接并密封了页岩孔隙，与传统的 WBDF 相比，显示出更优越的抑制性能。吸附后，页岩表面的疏水性增强，从而提高了稳定性。总之，纳米二氧化硅复合材料和石墨烯纳米粉体对水基钻井液的流变性能产生了积极影响，并提供了有利的过滤控制。

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来源期刊

Processes Chemical Engineering-Bioengineering

CiteScore

5.10

自引率

11.40%

发文量

2239

审稿时长

14.11 days

期刊介绍： Processes (ISSN 2227-9717) provides an advanced forum for process related research in chemistry, biology and allied engineering fields. The journal publishes regular research papers, communications, letters, short notes and reviews. Our aim is to encourage researchers to publish their experimental, theoretical and computational results in as much detail as necessary. There is no restriction on paper length or number of figures and tables.

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