FIELD SECTION POROSITY 1 1 3.846 1 1 3.712 1 2 5.629 1 2 2.021 2 3 5.087 2 4 4.621 3 5 4.411 3 6 3.357 4 7 3.991 4 8 5.766 5 9 5.677 5 10 3.333 6 11 4.355 6 11 6.292 6 12 4.94 6 12 4.81 7 13 2.983 7 14 4.396 8 15 5.603 8 16 3.683 9 17 5.942 9 18 5.014 10 19 5.143 10 20 4.061 11 21 3.835 11 21 2.964 11 22 4.584 11 22 4.398 12 23 4.193 12 24 4.125 13 25 3.074 13 26 3.483 14 27 3.867 14 28 4.212 15 29 6.247 15 30 4.73