E3S Web Conf.
Volume 329, 20214th International Conference on Green Energy and Sustainable Development (GESD 2021)
|Number of page(s)||4|
|Published online||09 December 2021|
Sedimentary micro-phase and reservoir display characteristics in shale Oil
1 The Key Laboratory of Unconventional Oil & Gas geology, CGS ; China
2 SINOPEC East China Oil and Gas Company Exploration and Development Research Institute China
Sedimentary microphilic and its exhibition feature is of great significance for identifying the distribution of remaining oil. This paper studies the development of geological characteristics of Zhidan Oil Zone, mineralogue and scanning electron microscopy experiments, and obtains the sedimentary micro-phase and reservoir display characteristics. The results show that combined with logging data, the core phase analysis, logging phase analysis, single well phase analysis, etc. Taking the leading edge of the Delta, the microphase type such as the river, the diversion bay and the underwater natural embankment is developed under water, due to the lifting of the lake, form a number of invested, plus, replenishment, in which water The downstream river is facilitating the advantages of the reservoir. The sedimentary phase and the angle effect of the zone are dominated by 4 + 5, chang 6 oil and gas, showing the characteristics of the rock sex reservoir. The type of reservoir is a rock sex reservoir. The main development of sandstone is impaired and the sandstone lens is a rock sex reservoir. The reservoir is an important influencing factor in the reservoir. The area has no uniform oil and water interface, lacking edge, bottom water.
Key words: Zhidan oil area / extended group / deposition / reservoir exhibition
© The Authors, published by EDP Sciences, 2021
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