Prediction of drilling leakage locations based on optimized neural networks and the standard random forest method | Oil & Gas Science and Technology

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Table 2

Text data of lithology used in this study.

Lithology	Code	Lithology	Code
Limestone	000001	Carbonaceous mudstone	001101
Mudstone	000010	Coal seam	001110
Argillaceous limestone	000011	Nodular limestone	001111
Shale	000100	Medium sandstone	010000
Bauxite mudstone	000101	Fine sandstone	010001
Pelitic siltstone	000110	Siltstone	010010
Silty mudstone	000111	Sandy shale	010011
Shell limestone	001000	Gypsum layer	010100
Medium shale	001001	Dolomitic limestone	010101
Tuff	001010	Gypsum dolomite	010110
Pebbly fine sandstone	001011	Siliceous mudstone	010111
Pebbly siltstone	001100	Siliceous siltstone	011000

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