“新冠肺炎”背景下废弃医用口罩在钻井液中的性能研究
1. 西安石油大学, 石油工程学院, 陕西西安 710065
2. 成都市龙泉驿区农产品质量安全监督检验检测站, 四川成都 610100
3. 陕西亿德丰达检测技术服务有限公司, 陕西宝鸡 721013
| 摘 要： | 自2019年新型冠状病毒肺炎爆发以来，一次性医用口罩的需求量极大且对环境的污染日益严重。目前的口罩处理方式并不能有效解决其对环境的污染问题，如何处理废弃口罩成为热点话题。近年来，井漏已成为深井与非常规油气水平井钻探的重大“卡脖子”难题，引起国内外学者的广泛关注。本工作基于聚丙烯材料特性对废弃医用口罩进行简单物理处理，研制出一种适合海洋钻井的深水钻井液配方并对其进行了初步的性能研究，结果发现：废弃医用口罩对钻井液的常规性能影响不大，但是明显提高了钻井液的堵漏性能，尤其是可将钻井液的承压能力提高至8MPa。本次工作证明了废弃医用口罩在油田堵漏中具有应用可行性，对医用口罩废弃物的再次合理资源化利用和可持续发展、减轻能源与环境的压力、助力中国实现“碳中和”的目标具有促进作用，同时对钻井液堵漏技术的研发有一定的启发。 |
| 关 键 词： | 新型冠状病毒肺炎; 废弃口罩; 环境污染; PP纤维; 钻井液 |
| DOI： | 10.57237/j.jest.2023.03.003 |
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收稿日期: 2023-05-06
接受日期: 2023-06-20
在线出版日期: 2023-06-29
Study on the Performance of Abandoned Medical Masks in Drilling Fluid Under the Background of "COVID-19"
1. School of Petroleum Engineering, Xi’an Shiyou University, Xi’an 710065, China
2. Chengdu Longquanyi District Agricultural Product Quality and Safety Supervision and Inspection Station, Chengdu 610100, China
3. Shaanxi Yide Fengda Testing Technology Service Co., Ltd., Baoji 721013, China
| Abstract: | Since the outbreak of novel coronavirus pneumonia in 2019, the demand for disposable medical masks has been enormous and the environmental pollution has become increasingly serious. The current disposal methods for masks cannot effectively solve their environmental pollution problem, and how to dispose of discarded masks has become a hot topic. In recent years, lost circulation has become a major "bottleneck" problem in drilling deep and unconventional oil and gas horizontal wells, attracting widespread attention from scholars both domestically and internationally. This work is based on the properties of polypropylene material to perform simple physical treatment on discarded medical masks, and develops a deep-water drilling fluid formula suitable for ocean drilling. Preliminary performance studies have been conducted on it. The results show that discarded medical masks have little impact on the conventional performance of the drilling fluid, but significantly improve the plugging performance of the drilling fluid, especially by increasing the pressure bearing capacity of the drilling fluid to 8MPa. This work has proven the feasibility of using discarded medical masks in oil field leak stoppage, promoting the rational resource utilization and sustainable development of medical mask waste, reducing energy and environmental pressure, and helping China achieve the goal of "carbon neutrality". At the same time, it has some inspiration for the research and development of drilling fluid leak stoppage technology. |
| Keywords: | Novel Coronavirus Pneumonia; Discard Mask; Environmental Pollution; PP Fiber; Drilling Fluid |
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