Table 1 Quantitative compositional characteristics of samples from the study area.

From: Quantitative characterization of pore development and its application in shale oil reservoirs of the Qingshankou formation, Songliao basin

Sample

TOC(%)

Mineral content(%)

Quartz

K-feldspar

Plagioclase

Calcite

Ankerite

Siderite

Pyrite

Clay minerals

SY3-7

3.62

30.9

 

15.5

6.9

7.8

 

3.6

35.3

SY1-14

3.08

34.8

0.5

12.8

4.9

6.6

0.3

 

40.1

D1-21

4.53

27.5

 

7.3

 

36.3

2.8

 

26.1

SY2-18

4.51

37.5

 

8.7

18.4

 

0.7

1.9

32.8

SY3-5

2.84

22.8

1.9

14.4

 

31.1

 

1.1

28.7

SY3-18

2.92

30.9

0.8

10.6

 

24

  

33.7

JY1-14

2.60

36.5

 

14.5

6

 

5.7

 

37.3

JY1-11

2.89

27.9

3.7

21.5

3.5

1.3

11.6

 

30.5

D1-24

2.27

34.4

2.5

23.2

 

1.4

0.5

2.6

35.4

SY1-11

2.43

34.6

3.4

16

3.7

  

7.4

34.9

SY1-16

2.81

37.1

 

13.7

    

49.2

D1-11

2.14

38.7

2.9

22.5

 

2.4

2.9

 

30.6

SY1-15

2.33

34.5

3.2

12.7

3.7

  

5.9

40

SY2-21

3.26

42.4

 

12.7

7.5

   

37.4

D1-29

6.49

40.4

 

10.6

0.8

7.1

2.9

4.9

33.3

JY1-6

2.90

28.5

1.6

22.1

0.7

  

4.1

43

D1-1

2.11

33.1

7

16

8

  

5.2

30.7

SY1-18

3.47

36.6

2.5

9.8

4

 

5.7

 

41.4

SY3-26

4.82

34.6

 

9.5

3.8

  

12

40.1

SY3-22

3.58

30.8

 

8.4

7.9

13

 

6.9

33

D1-33

2.90

33.5

3.1

8.2

 

8.7

7.9

3.8

34.8

D1-36

2.36

34.4

3.1

9.8

9.5

 

9.1

 

34.1

JY1-25

1.68

29.7

1.7

22.7

5.4

1.4

2.5

2.3

34.3

SY1-5

1.95

34.5

3.2

12.7

3.7

 

5.9

 

40

SY2-11

1.93

39.8

3.1

11.5

8.1

  

4.5

33

SY2-22

1.99

29.5

3

15

3

 

6.7

 

42.8

SY1-2

1.00

30.9

2.3

7.6

4.1

9.4

 

6.5

39.2

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