"state_well_number","group_number","c_s_o_indicator","diameter_csg_scn","top_depth","bottom_depth"
3355902,1,"C",36,0,0
3359102,1,"C",14,0,21
3359102,2,"C",9,0,1402
3359102,3,"C",4,1197,1402
3359102,4,"S",4,1402,1514
3359102,5,"C",4,1514,1603
3363901,1,"C",36,0,0
3364701,1," ",38,0,0
3906601,1,"C",30,0,0
3907202,1,"C",7,0,40
3907202,2,"S",7,40,100
3907407,1,"C",6,,
3907407,2,"S",6,,