黄骅坳陷上古生界埋藏史研究及生烃有利区预测

黄骅坳陷作为渤海湾盆地的一个负向构造单元,其深层资源具有巨大的潜力,蕴含的资源量十分丰富。黄骅坳陷经历多次构造运动,其地层经过多次抬升剥蚀与沉降,导致各个区域埋藏史具有较大差异,而埋藏史之间的差异一定会导致热史、成熟史和生烃史,特别是二次生烃的不同。对黄骅坳陷埋藏史分析研究后,把不同地区埋藏类型做了分类,作为对二次生烃有利区预测的依据。最终预测出孔西—王官屯—乌马营地区、歧北—歧南—埕海等地区为有利的二次生烃区,是寻找油气的有利目标区。

Burial history of Upper Paleozoic and prediction of favorable hydrocarbon-generating areas in Huanghua Depression

As a negative tectonic unit in Bohaiwan basin, Huanghua depression has great potential in deep resources and abundant resources.Huanghua Depression has experienced many tectonic movements in its history, and its strata have been uplifted, denuded and subsided for many times, resulting in different burial histories and different burial histories in different regions, which will inevitably lead to different heating, maturation and hydrocarbon generation histories, especially secondary hydrocarbon generation.Based on the analysis of the burial history in Huanghua depression, the burial types in different areas were classified as the basis for the prediction of favorable secondary hydrocarbon areas. Finally, it is predicted that the areas of Kongxi-Wangguantun-Wumaying and Qibei-Qinan-Chenghai are favorable secondary hydrocarbon generating areas and favorable target areas for hydrocarbon exploration.