《石油大亨》是一部美国历史剧情片，主要讲述了吉姆·麦克尼利的冒险故事。影片背景设定在1939年的西德克萨斯油田，年轻的吉姆·麦克尼利在众多油田工作者中脱颖而出，成为了一个强大的冒险家

影片将上个世纪宏大的时代背景与美国石油商业市场的变革紧密结合，通过不同的叙述方式生动地描述了石油行业的发展历程。影片前半部分以写实记录的手法对石油行业的发展进行了讲解，后半部分则落入了商业电影的范畴。

影片主要讲述了一个一文不值的穷小子如何通过不懈努力和冒险经历成为石油大亨的辛酸历程。影片展现了吉姆·麦克尼利的个性和决心，也描绘了他与家人、朋友以及竞争对手之间的复杂关系。影片的视觉效果和音乐都非常出色，将观众带回了那个时代，让人们感受到了石油商业市场的变革与冒险者们的壮志凌云。

"Oilman" is an American historical drama that focuses on the adventures of Jim McNealy. The background of the film is set in the West Texas oil field in 1939. The young Jim McNealy stands out among many oil field workers and becomes a powerful adventurer

The film closely combines the grand background of the last century with the changes in the American oil business market, and vividly describes it through different narrative methods history of the petroleum industry. The first half of the film explains the development of the oil industry in a realistic way, while the second half falls into the category of commercial films.

The film mainly tells the bitter journey of how a worthless poor boy became an oil tycoon through unremitting efforts and adventures. The film reveals Jim McNealy's personality and determination, and also depicts his complicated relationship with family, friends and competitors. The visual effects and music of the film are excellent, bringing the audience back to that era, allowing people to feel the changes in the oil business market and the high aspirations of the adventurers.