Oil and gas enrichment patterns and major controlling factors for stable and high production of tight lacustrine carbonate rocks, a case study of Yingxi area in Qaidam Basin, West China

2019 ◽  
Vol 34 (4) ◽  
pp. 1815-1831 ◽  
Author(s):  
Xinmin Ma ◽  
Chenggang Huang ◽  
Yajun Shi
2015 ◽  
Vol 89 (s1) ◽  
pp. 277-278 ◽  
Author(s):  
Xuan TANG ◽  
Zaixing JIANG ◽  
Xianzheng ZHAO ◽  
Ruifeng ZHANG ◽  
Zhouqi CHUI ◽  
...  

Energies ◽  
2021 ◽  
Vol 14 (7) ◽  
pp. 1807
Author(s):  
Yuping Wang ◽  
Chunmei Dong ◽  
Chengyan Lin ◽  
Qingjie Hou

The glutenite reservoirs discovered in the Jiyang depression in Bohai Bay contribute greatly to proven oil and gas resources, which have reached 1.27 billion cubic meters. Both insufficient studies on the glutenite distribution and incomplete understanding of the corresponding geology restrict further oil energy extraction. Hence, it is necessary to study the controlling factors of glutenite development. Sedimentation, tectonic faults, geophysical data, etc., was used in this paper to study these factors. Four main controlling factors involved in the development of glutenite fan bodies have been studied and summarized: the fault ramp controls the glutenite fan, the fault characteristics control the glutenite acreage, the fault throw controls the thickness of the glutenite, and the dimensions of the incised valleys control the glutenite transport capacity. Based on this geological understanding, this paper analyzes the relationship between oil productivity data and the factors controlling conglomerate development. With this, the reservoir in the study area is divided into a high production area, medium production area, and low production area. The C913 well was deployed in the predicted high production area. The daily oil production reached 88 t/d, and the energy exploitation effect was good. Therefore, this study provides important guidance for the further extraction of oil energy.


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