Lake-Bottom Hydrothermal Activities and Their Influences on the High-Quality Source Rock Development: A Case from Chang 7 Source Rocks in Ordos Basin

• 责任者：Zhang Wenzheng (Research Institute of Exploration and Development ; PetroChina ; Changqing Oilfield Company ; Xi’an 710018 ; China) ; Yang Hua
• 刊名：Petroleum Exploration and Development
• 出版年：2010
• 卷期：37(4)
• 关键词：烃源岩 ; source rocks ; 鄂尔多斯盆地 ; Ordos Basin
• 页码：p.424-429
• 图表：3 illus., 1 table 14 refs.
• 分类号：1003
• issnNo：ISSN1000-0747
• isbnNo：CN11-2360/TE

By optical microscope and SEM-energy spectrometer, some phenomena that relate to lake-bottom hydrothermal activities have been discovered in Chang 7 high-quality source beds of the Yanchang Formation, Ordos Basin. In the early sedimentary period of Chang 7, the activation of floor ruptures by violent regional structure-activities was a dynamic factor that produced lake-bottom hydrothermal activities and the hydrothermal activities played an important role in accelerating the extensive development of Chang 7 high-quality source rocks.