E3S Web Conf.
Volume 352, 20227th International Conference on Energy Science and Applied Technology (ESAT 2022)
|Number of page(s)||4|
|Section||Energy Sustainability & Energy-Related Environmental Science|
|Published online||27 June 2022|
Types of Beixi slopes and the process of tectonic evolution
1. Earth science college, Northeast Petroleum University, Daqing, Heilongjiang 163318, China
2. Northeast Petroleum University Sanya offshore oil & gas research institute, Sanya, Hainan, 572025, China
3. Laboratory of CNPC fault controller reservoir, Northeast Petroleum University, Daqing, Heilongjiang 163318, China
The phenomenon of oil and gas accumulation on the Beixi slope is obvious, which is one of the important directions of oil and gas pre-exploration and increasing reserves and production in the future. Taking the Beixi slope as the target area, according to the geological characteristics, the Beixi slope is divided into the differential subsidence type of the same fault depression, the reverse normal fault tilting and lifting slope and the compound slope. The evolution profile of Beixi slope is restored by using 2Dmove application software. based on the joint action of structure and deposition of Beixi slope, the fault evolution process of Beixi slope can be divided into four stages: rift stage 1 (Tongbamiao formation-N14 reflection layer), rift stage 2 (N14 reflection layer-T22 reflection layer), fault depression conversion stage (T22 reflection layer-T04 reflection layer) and depression inversion stage (above T04 reflection layer).
Key words: Beixi slope / slope type / evolution process
© The Authors, published by EDP Sciences, 2022
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