Based on the Sentinel-1 ascending image from January 2021 to June 2023, we use the StaMPS-SBAS method to obtain the surface deformation of the core production area of Liaohe Oilfield. Based on the deformation rate results, we use the composite dislocation, Mogi and Okada models to invert the reservoir parameters, comparing our results with existing research. The results show that the LOS deformation rate in the study area is －165.84 to 54.52 mm/a, and the maximum cumulative settlement(LOS direction) during the research period is about 400 mm. There are three significant subsidence areas in the area, namely Shuguang oil production plant, Huanxiling oil production plant and Jinzhou oil production plant. Shuguang oil production plant has a subsidence deceleration trend, while the other oil production plants have a subsidence acceleration trend. There are obvious differences in the reservoir parameters inverted by different models. Compared with the Okada and Mogi models, the reservoir depth inverted by the composite dislocation model (1 665.21 m) is the closest to the actual (about 1 600 m). Moreover, the deformation simulated by the composite dislocation model is most consistent with the observed deformation."/>
基于时序InSAR的辽河油田地表形变监测及储层参数多模型反演
Abstract：Based on the Sentinel-1 ascending image from January 2021 to June 2023, we use the StaMPS-SBAS method to obtain the surface deformation of the core production area of Liaohe Oilfield. Based on the deformation rate results, we use the composite dislocation, Mogi and Okada models to invert the reservoir parameters, comparing our results with existing research. The results show that the LOS deformation rate in the study area is －165.84 to 54.52 mm/a, and the maximum cumulative settlement(LOS direction) during the research period is about 400 mm. There are three significant subsidence areas in the area, namely Shuguang oil production plant, Huanxiling oil production plant and Jinzhou oil production plant. Shuguang oil production plant has a subsidence deceleration trend, while the other oil production plants have a subsidence acceleration trend. There are obvious differences in the reservoir parameters inverted by different models. Compared with the Okada and Mogi models, the reservoir depth inverted by the composite dislocation model (1 665.21 m) is the closest to the actual (about 1 600 m). Moreover, the deformation simulated by the composite dislocation model is most consistent with the observed deformation.
YU Bing,NIU Tong,CAI Rui et al. Surface Deformation Monitoring and Multi-Model Inversion of Reservoir Parameters in Liaohe Oilfield Based on Time-Series InSAR[J]. jgg, 2024, 44(9): 937-944.
