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未熟油是一种重要的非常规油资源。从有机地质大分子结构的角度，分析讨论了对有利于生成米熟油的地质大分子的结构特征：首先是应包含有丰富的长链脂族结构，以亚甲基碳含量为参数；同时从分解能与活化能的关系，用动力学参数阐明了大分子中包含有一定数量弱交联键的重要性，这些弱键主要包括由杂原子构成的脂族硫碳键、醚键和酯键，以及烷基与芳环相联的卢位键等，并分别评价了这些结构参数的分析方法；对地质大分子的分子量与交联度对未熟油生成的重要作用，也进行了讨论。据此，从大分子结构演化的观点，描述了未熟油生成的化学过程。
Uncooked oil is an important unconventional oil resource. From the perspective of organic geological macromolecular structure, the structural characteristics of geologic macromolecules that are conducive to the formation of rice oil are analyzed and discussed. The first is that it should contain rich long-chain aliphatic structure with methylene carbon content as the parameter. From the relationship between decomposition energy and activation energy, the kinetic parameters are used to elucidate the importance of macromolecules containing a certain number of weak cross-links. These weak bonds mainly include aliphatic sulfur-carbon bonds, ether bonds and ester bonds , As well as the alkyl and aryl ring Lu bond and so on, and respectively evaluation of these structural parameters of the analytical method; the molecular weight of the geological macromolecules and crosslinking degree of immature oil generation is also discussed. Accordingly, from the point of view of the evolution of the macromolecular structure, the chemistry of immature oil formation is described.