ZHANG Lin-ye, LIU Qing, ZHANG Chun-rong, WANG Ru, KONG Xiang-xing, LI Zheng. The Causative Assemblages of Oil Pools Based on Hydrocarbon Generation and Accumulation Process in Terrestrial Rift Basin:A case study from Shengtuo Oilfield[J]. Acta Sedimentologica Sinica, 2004, 22(S1): 8-14.
| Citation:
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ZHANG Lin-ye, LIU Qing, ZHANG Chun-rong, WANG Ru, KONG Xiang-xing, LI Zheng. The Causative Assemblages of Oil Pools Based on Hydrocarbon Generation and Accumulation Process in Terrestrial Rift Basin:A case study from Shengtuo Oilfield[J]. Acta Sedimentologica Sinica, 2004, 22(S1): 8-14.
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The Causative Assemblages of Oil Pools Based on Hydrocarbon Generation and Accumulation Process in Terrestrial Rift Basin:A case study from Shengtuo Oilfield
- 1.
Geology Scientific Research Institute of Shengli Oilfield Co.,Dongying Shangdong 257015;
- 2.
Energy Institute, Chengdu Technology University, Chengdu 610059
- Received Date: 2003-10-20
- Publish Date:
2004-12-10
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Abstract
The relation assemblage of oil pools and its effective hydrocarbon source rocks is the key factor in the study of pool-forming process, and to elucidate its controlling factors will do much help in the exploration and forecasting of the remaining unfound reservoirs. In this article Shengtuo oilfield with 39 years of exploitation history in the east of China is taken as an example for the study. Based on oil and source correlation, the time and space assemblages of oil reservoirs and its hydrocarbon generation and accumulation process are studied, and a new research procedure for subtle reservoir exploration is put forward. The study indicates Shengtuo oilfield is mainly sourced from excellent hydrocarbon source rocks, that is the oils from Area Ⅰ , and Area Ⅲ are mainly sourced from Es4 while the oils from Area I is sourced mainly from Es3. Reservoir water chemistry and fault system studies imply that Shengbei fault is the most important vertical conduit, since it is a source fault connecting the effective source rocks and the reservoir. As the oil pools found before are all else-sourced, it is believed that self-sourced oil pools with certain size should exist in the deep part of Paleogene and the burial hills on the steep slope.
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