对生物表面活性剂进行评估,以预先冲洗离岸井
Fubin Xin1, Zhiqiang Wu2, Xingjie Ling1
1College of Petroleum Engineering, Yangtze University, Wuhan, Hubei 430100, China.
ACS omega
|October 16, 2024
概括
环保的生物表面活性剂,如拉姆诺脂和脂,对海上水冲前液体的凝固有很大的前景. 一个2:1的脂-脂混合物有效地去除泥蛋糕,增强水泥粘合.
科学领域:
- 石油工程是石油工程中的一个.
- 环境科学 环境科学
- 表面化学 表面化学
背景情况:
- 海上石油和天然气勘探需要环境友好型的水泥化,因为更严格的环境法规.
- 传统的表面活性剂带来环境风险,需要探索可持续的替代品.
研究的目的:
- 评估三种生物表面活性剂 (脂,脂,脂) 在海上水泥化前冲洗液中的应用潜力.
- 评估生物表面活性剂在表面张力,热稳定性,盐耐受性,风湿相容性,可湿性转换,泥蛋糕去除和表面粘合方面的性能.
主要方法:
- 对生物表面活性剂的表面张力 (IFT) 和在高温和盐水条件下 (NaCl和海盐) 的稳定性进行实验性评估.
- 评估与钻井液和水泥泥的风学兼容性.
- 评估可湿性转换,泥蛋糕去除效率 (通过气体导通试验验证),以及对接口粘合的影响.
主要成果:
- 拉姆诺脂类,脂类和脂类在高温和NaCl环境中表现出极好的表面活性.
- 脂在海盐中失去了功能,而脂和脂保持了稳定性和活性.
- 一种2:1的脂-脂混合物表现出优越的表面活性,质相容性和泥蛋糕去除效率.
结论:
- 拉姆诺脂和脂是合适的生物表面活性剂,用于在海上凝固冲洗前液体,特别是当它们结合使用时.
- 2:1的脂-脂混合物显著增强了泥蛋糕的去除,并改善了水泥的界面粘合特性.
- 生物表面活性剂为改善海上水泥加工业务提供了可行的,环保的替代方案.
相关概念视频
01:27Surface Active Agents
Surfactants, named for their behavior at interfaces, positively adsorb at the interfaces of two phases, reducing interfacial tension. Their versatility as emulsifiers, detergents, and foaming agents stems from this ability. Surfactants, often termed amphiphiles, share the property of amphipathy, with molecules having both hydrophilic and hydrophobic portions. The hydrophilic part is called the head, and the hydrophobic part, including an elongated alkyl substituent, forms the tail.Surfactants...
01:16Bioavailability Enhancement: Drug Solubility Enhancement
Bioavailability is a critical factor in determining a drug's effectiveness. It refers to the proportion of a drug that enters the circulation when introduced into the body and is, as a result, able to have an active effect. Enhancing bioavailability is essential for drugs with poor solubility, as it can significantly impact their therapeutic efficacy. Various methods are employed to increase the solubility of drugs, thereby enhancing their bioavailability.Micronization and nanonization are...
01:26Microbial Bioremediation of Hydrocarbons
Bioremediation is an environmentally sustainable process that employs living organisms—primarily microorganisms—to degrade or neutralize pollutants from contaminated environments. In oil spills and hydrocarbon pollution, bioremediation involves the use of hydrocarbon-degrading bacteria to transform toxic compounds into less harmful substances. This approach leverages natural microbial metabolic processes and is considered both cost-effective and ecologically favorable compared to physical or...
01:25Biofuels
The microbial conversion of organic matter into biofuels holds potential as a renewable energy source. Among biofuel sources, microalgae are recognized as a highly efficient and adaptable feedstock for biodiesel production, owing to their rapid biomass accumulation, elevated lipid productivity, and capacity to proliferate in diverse aquatic systems, including freshwater, marine, and wastewater habitats. Unlike terrestrial crops, microalgae do not compete for land and can achieve significantly...