Evaluating Reservoir Risks and Their Influencing Factors during CO₂ Injection into Multilayered Reservoirs

Figure 4

Risk factors of each reservoir which correspond to the different injection parameters at the wellhead of the Shenhua CCS project. (a), (b), and (c) are the results for the different injection pressures, flow rates, and temperatures, respectively. (d) Investigation of the influences of simultaneous changes of the injection pressures and flow rates.

(a)

(b)

(c)

(d)