Characteristics and Controlling Factors of the Chang 8 Oil Reservoir in the Yanchi Area of the Ordos Basin: A Case Study of Well G20

<div>Distribution of main reservoir types in the Yanchi area of the northwest Ordos Basin (the profile position is shown in Figure <a href="../fig8/">8</a>).</div>

Geofluids

fig11

Figure 11

Figure 11: Characteristics and Controlling Factors of the Chang 8 Oil Reservoir in the Yanchi Area of the Ordos Basin: A Case Study of Well G20 