胜利油田下第三系沙河街组烃源岩热解产物初析

Primary Analysis of Hot Resolving Products of Source Rocks in Group Shahejie of Third Series in Shengli Oil Field

不同类型的烃源岩在不同温度下的热解实验表明烃源岩在成熟过程中：产出的Ｃ_１～Ｃ_５，ＣＯ_２，Ｈ_２随温度升高而增加；一直有有机酸产出，且以乙酸和乙二酸为主，约占有机酸总量的２／３；其产出率Ⅰ，Ⅱ型明显高于Ⅲ型干酪根烃源岩；有机酸和ＣＯ_２的产出对储层溶蚀孔隙的形成提供了有利条件。进而扩大了对储层研究的深度和广度。

C1-C5,CO2 and H2 caused by various types of source rocks in the mature process at different temperatures increased with raising temperature. The organic acid produced in hot resolving process. Ethanoic acid and ethane acid covered about 2/3 of the total acid. And productivity for type Ⅰ and Ⅱ kerogens were obviously higher than type Ⅲ.The organic acid and carbon diocide offered beneficial conditions to formation of corrosion pore in reservoir.expanded the depth and rage of research on reservoir.