Colloidal gas aphrons (CGAs) are characterized by their multi-layered, stable bubbles, encased within thin surfactant films. Their remarkable stability, due to the presence of a delicate surfactant shell, has made them a versatile and transformative solution across various industries, particularly in the oil industry. This paper presents an extensive literature review, focusing on the wide-ranging applications of CGAs, with a particular emphasis on their use in the petroleum industry. By exploring diverse areas, we highlight their potential in drilling operations, cementing, completion and workovers, as well as enhanced oil recovery (EOR). The exploration of CGA applications in these domains addresses major industrial challenges, including those related to drilling high-angle and horizontal wells, filtration loss, heavy-weight cement systems with high density, fluid leak-off, circulation efficiency in dead wells, static fluid conditions, and more. This comprehensive review underscores the transformative potential of CGAs in the petroleum industry, offering a holistic perspective on their multifaceted applications and pivotal role in advancing contemporary energy research.