Fig 1.
Technology Roadmap.
Fig 2.
Reservoir and cap unit delineation (Cz:Cenozoic Era;Q:Quaternary Period;N:Neogene Period;E:Paleogene Period;Qh: Holocene Series;N2: Pleistocene Series;N1: Miocene Series;E3: Oligocene Series;Qp: Pingyuan Formation;N2m: Minghuazhen Formation;N1g: Guantao Formation;E3d:Dongying Formation;Es: Shahejie Formation;S1:Member 1 of Shahejie Formation;S2: Member 2 of Shahejie Formation;
S3-1: Upper Member 3 of Shahejie Formation;S3-2: Middle Member 3 of Shahejie Formation;S3-3: Lower Member 3 of Shahejie Formation).
Table 1.
Numerical model simulation parameters(S1:Member 1 of Shahejie Formation;S2: Member 2 of Shahejie Formation;S3-1: Upper Member 3 of Shahejie Formation;S3-2: Middle Member 3 of Shahejie Formation;S3-3: Lower Member 3 of Shahejie Formation).
Table 2.
Evaluation indicator weights.
Table 3.
Consistency test results.
Fig 3.
CO2 geological storage site suitability zoning map (Reprinted from
http://bzdt.ch.mnr.gov.cn/underaCCBYlicense, with permission from Ministry of Natural Resources, original copyright 2020).
Fig 4.
Target area of CO2 geological storage in the study area (Reprinted from
http://bzdt.ch.mnr.gov.cn/underaCCBYlicense, with permission from Ministry of Natural Resources, original copyright 2020).
Fig 5.
Elliptical analysis of carbon emission sources results (Reprinted from
http://bzdt.ch.mnr.gov.cn/underaCCBYlicense, with permission from Ministry of Natural Resources, original copyright 2020).
Fig 6.
Neighboring analysis results (Reprinted from
http://bzdt.ch.mnr.gov.cn/underaCCBYlicense, with permission from Ministry of Natural Resources, original copyright 2020).
Fig 7.
Pressure variation in different strata over time.
Fig 8.
Spatial migration and distribution characteristics of CO2 plume over 0-1000 years in different cap-rock layers (a: S2 Layer; b: Upper S3-1 Layer; c: Lower S3-1 Layer; d: S3-2 Layer).
Table 4.
Percentage of sequestration quality by different sequestration mechanisms in various reservoirs at different time intervals.