... Drilling formationsizebit typein.mm6152.4136,127,517,537,617,6376 1/2165.1126,127,517,537,617,6377 1/2190.5126 ... /2241.3126,127,517,537,617,6379 5/8244.5127,517,537,617,6379 7/8250.8127,517,537,617,63712 ... 63713 5/8346117,126,127,517,537,617,63714 3/4374.6124,517,537,617,63715381124,517,537,617,63715 1/2393 ... .7124,517,537,617,63717 1/ ...