Study on the Wettability and Spontaneous Imbibition Characteristics of Lacustrine Shale

Figure 4

Comparison of water imbibition differences between vertical and parallel bedding directions of different lithofacies. (a) Sandy interlayer YY-72-2. (b) Low organic matter laminated siliceous shale YJ-62-3. (c) High organic matter laminated siliceous shale YA-151-1.

(a)

(b)

(c)