样本号

深度/m

孔隙度/%

DT/μs∙ft−1

slope of DT

GR/API

slope of GR

灰度值/0~256

1

5421.375

1.0

46.1

1.4

31.0

12.7

160.7

2

5421.75

2.0

47.5

<0.1

43.7

−2.0

131.9

3

5421.875

12.3

47.5

<0.1

41.7

−7.2

133.8

141

5424.25

3.0

46.2

0.4

22.3

−6.1

151.1

142

5424.5

2.2

46.5

<0.1

16.2

−1.3

167.3