| Issue |
E3S Web Conf.
Volume 329, 2021
4th International Conference on Green Energy and Sustainable Development (GESD 2021)
|
|
|---|---|---|
| Article Number | 01054 | |
| Number of page(s) | 5 | |
| DOI | https://doi.org/10.1051/e3sconf/202132901054 | |
| Published online | 09 December 2021 | |
Analysis of logging parameter model of Jurassic complex reservoir in Xinjiang Shenquan Oilfield
1 Exploration and Development Research Institute of Daqing Oilfield Co.，Ltd., 163712 Daqing Heilongjiang, China
2 Key Laboratory of tight oil and shale oil accumulation of Heilongjiang province, 163712 Daqing Heilongjiang, China
3 Heilongjiang Province Key Research Laboratory in Tight Sandstone and Shale Oil Reservoir Accumulation, Daqing, China
* Corresponding author: dqlyj@petrochina.com.cn
The study discusses the characteristics of Jurassic reservoir in Shenquan Oilfield in Xinjiang. The reservoir of Qiketai Sanjianfang formation mainly develops delta front facies and shore shallow lake facies sand bodies.The lithological characteristics of the reservoir are mainly fine sandstone and siltstone, and the physical properties of the target layer are mainly medium porosity and medium permeability. The Jurassic reservoir space in Shenquan Oilfield is sandstone pore type, mainly composed of secondary pores, mainly including intergranular dissolved pores, intragranular dissolved pores and intercrystalline pores, with good connectivity between pores. According to the analysis data of well logging, core analysis, production performance and DST in Shenquan Oilfield, porosity, permeability and water saturation models are established respectively:The porosity interpretation model is established by using acoustic wave and shale content; the permeability parameter interpretation model is realized by applying graph based cluster analysis method and neural network algorithm. The oil saturation interpretation model is obtained by Archie formula. According to the logging interpretation model and interpretation results, it can meet the needs of reservoir evaluation, oil-water distribution and original geological reserve parameters. After analyzing the logging parameter model and reservoir parameter calculation method, it is considered that the Jurassic in the Shenquan Oilfield in Xinjiang has better physical properties.
© The Authors, published by EDP Sciences, 2021
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