2011 Well Diameter Statistics for All Drillers   Production Wells   Nominal Diameter (in inches) # of Wells % of Total 0 13 4.4% l 09-2341 1 09-2350 1 15-3509 1 15-487 1 25-9899 1 41-3671 1 43-12395 1 43-12399 1 81-4785 1 95-5155 1 a34568 2 a37176e 1 2 1 0.3% l 95-5279 1 4 49 16.7% l 43-11893 1 43-12071 1 43-12201 1 43-12310 1 43-12356 1 43-12358 1 43-12359 1 43-12361 1 43-12362 1 43-12369 1 43-12372 1 43-12380 1 43-12384 1 43-12387 1 43-12396 1 43-12413 1 43-12425 1 43-13705 1 43-8381 1 45-6295 1 45-6423 1 45-6437 1 45-6438 1 45-6443 1 a21755z 1 a35021 1 a35994 1 a37601 1 05-3178 1 09-2350 1 09-2352 1 31-3165 1 35-1377 1 43-10725 1 45-6439 1 59-2763 1 a24469 1 a26190 1 a26891 1 a32443 1 a36228d 1 a37488 1 a37577 1 E4538 1 E5094 1 E5200 1 E5213 1 E6755 1 t36845 1 5 33 11.2% l 23-3916 1 23-3917 1 43-8460 1 63-114 1 63-2403 1 63-3943 1 63-4283 1 63-673 1 92-619 1 95-5265 1 97-2309 1 a21425 1 a23560 1 a25410 1 a30594a 1 a32121 1 a32130 1 a32984 1 a35264a 1 a35515 1 a36518 1 a36846 1 a36869 1 a37455 1 a37518 1 a37557 1 a45655 1 a46372 1 a49075 1 E5100 1 E5117 1 E5513 1 t50858 1 6 129 43.9% l 05-3200 1 15-2566 1 15-2724 1 15-462 1 15-4635 1 15-4840 1 15-5160 1 15-5305 1 15-566 1 18-734 1 25-10814 1 25-10826 1 25-2910 1 25-7588 1 25-8987 1 29-4281 1 29-4360 1 29-4475 1 29-4496 1 29-4513 1 29-4515 1 35-2088 1 55-2280 1 55-5481 1 61-2663 1 63-90 1 65-576 1 68-1042 1 68-1918 1 73-2531 1 73-2802 1 89-1645 1 91-5206 1 95-5264 1 a25826b 1 a28383c 1 a30305 1 a30307 1 a31483 1 a32195 1 a32202 1 a32380 1 a32381 1 a32795 1 a33276 1 a33301 1 a33334 1 a33528 1 a33963 1 a34083 1 a34218 1 a35379 1 a35418a 1 a35458 1 a35690 1 a35691 1 a35696 1 a35755 1 a36112 1 a36429 1 a36701 1 a36786 1 a36885 1 a36887 1 a36893 1 a36894 1 a36979 1 a36990 1 a37068 1 a37070 1 a37097 1 a37113 1 a37117 1 a37118 1 a37120 1 a37169 1 a37206 1 a37211 1 a37219 1 a37258 1 a37267 1 a37277 1 a37303 1 a37450 1 a37469 1 a37550 1 a37647 1 a37695 1 a39339 1 a39606 1 a40402 1 a42264b 1 a42717 1 a43533b 1 a43635 1 a49219 1 a52732 1 a53131 1 E5173 1 E5190 1 t51311 1 67-499 1 15-4268 1 15-5906 1 19-400 1 19-424 1 45-6431 1 65-578 1 68-400 1 71-2278 1 71-4824 1 73-3860 1 73-4712 1 a22846 1 a25395 1 a29648 1 a35300 1 a35519 1 a36189 1 a36698 1 a36907 1 a36954 1 a37256 1 a37586 1 a47253 1 a51745 1 c94656 1 a35817 1 a35754 1 7 3 1.0% l 43-12275 1 45-6422 1 19-418 1 8 37 12.6% l 05-1682 1 13-3904 1 25-11072 1 25-5031 1 43-13063 1 45-6162 1 45-6418 1 57-10395 1 67-207 1 67-490 1 95-5275 1 a27292 1 a29085 1 a30763 1 a31508 1 a31930 1 a33537 1 a34269 1 a35867 1 a37505 1 a37593 1 a44086 1 a49601 1 a51803 1 c99183 1 c99284 1 E5187 1 E6740 1 77-398 1 a32573 1 a36999 1 a37526 1 a45288 1 a48039 1 a52959 1 E5159 1 a33444 1 10 3 1.0% l a53160 1 a40509 1 a52037 1 11 1 0.3% l 90-1854 1 12 9 3.1% l 17-219 1 18-404 1 57-8430 1 67-247 1 a36268 1 a36376 1 77-78 1 a35323ba 1 a53588 1 14 1 0.3% l 67-687 1 16 10 3.4% l 71-1616 1 a31138 1 a36301 1 a36906f 1 a36971 1 a41716 1 a48909 1 a50842 1 f52055 1 t50295 1 18 3 1.0% l a15520 1 a36982 1 a41977 1 20 2 0.7% l a36535 1 a43701 1 Total 294

Non-Production Wells   Nominal Diameter (in inches) # of Wells % of Total 0 189 17.5% l 1025002M00 3 1035014M00 1 1051001M00 3 1055008M00 7 1057012M00 4 1057014M00 2 1068008M00 3 1091001M00 1 1095001M00 4 1105003M00 7 1105006M00 3 1105007M00 2 1105008M00 1 1105014M00 1 1109002M00 1 1109007M00 1 1113004M00 1 1129003M00 1 1131011M00 4 1135002M00 9 1151001M00 2 1151002M00 30 1154002M00 1 1154003M00 4 1155001M00 1 1155003M00 11 1155008M00 4 1155013M00 4 1157002M00 4 1157003M00 1 1157008M00 6 1157018M00 2 1159003M00 10 1159005M00 11 1159012M00 4 1159014M00 4 1159015M00 5 1159017M00 6 1159018M00 6 1161001M00 5 1161002M00 4 1190002M00 2 1191001M00 3 1 521 48.1% l 1116002M00 85 1155004M00 7 1085004M00 90 1085007M00 32 1095001M00 12 1101001M00 1 1105011M00 2 1115004M00 1 1123001M00 1 1125001M00 38 1131002M00 2 1131006M00 80 1131010M00 90 1135004M00 1 1135006M00 1 1157007M00 1 1157011M00 34 1157014M00 12 1157018M00 2 1159010M00 4 1181004M00 4 1181007M00 2 1181013M00 5 1181014M00 10 1181016M00 1 1191002M00 3 1.25 93 8.6% l 1155002M00 28 1181001M00 10 1181005M00 4 1181006M00 6 1181008M00 17 1181010M00 6 1181012M00 12 1181019M00 5 1185001M00 5 2 158 14.6% l 1059012M00 1 1059012m00 1 1059012M00 2 1059012m00 1 1059013M00 4 1059013m00 1 1059013M00 4 1067002M00 1 1109003M00 3 1115001M00 2 1125003M00 2 1131009M00 8 1131012M00 2 1135003M00 2 1154002M00 7 1155007M00 1 1155011M00 1 1157010M00 8 1157015M00 4 1157016M00 1 1157017M00 1 1157019M00 1 1157021M00 1 1159006M00 1 1159008M00 1 1159016M00 4 1167001M00 1 1168001M00 2 1169001M00 15 1169002M00 3 1171001M00 5 1181003M00 4 1181018M00 8 1190002M00 24 1191003M00 4 1193001M00 5 1193002M00 15 1194004M00 1 1194003M00 2 1059012M00 3 1194004M00 1 3 21 1.9% l 1109002M00 18 1151001M00 3 4 32 3.0% l 1031024M00 1 1109002M00 2 1109005M00 1 1131001M00 1 1131003M00 1 1131004M00 1 1143001M00 1 1169001M00 1 1169002M00 2 1169004M00 1 1190002M00 1 1193002M00 3 1005006M00 1 1009008M00 1 1035015M00 2 1105004M00 1 1105012M00 1 1105013M00 6 1105015M00 1 1105017M00 1 1109008M00 1 1109009M00 1 5 8 0.7% l 1105001M00 1 1105013M00 3 1131005M00 3 1149007M00 1 6 20 1.8% l 1105010M00 2 1105018M00 1 1109002M00 4 1113003M00 1 1113005M00 2 1135007M00 6 1159009M00 1 1019001M00 3 7 1 0.1% l 1105005M00 1 8 20 1.8% l 0955009M00 1 1129001M00 3 1129004M00 1 1147001M00 1 1149001M00 1 1149002M00 1 1149003M00 1 1149004M00 1 1149005M00 1 1149008M00 1 1149009M00 2 1157006M00 1 1168007M00 2 1181011M00 1 1190001M00 1 1181009M00 1 10 15 1.4% l 1113001M00 4 1129002M00 2 1135005M00 1 1149006M00 2 1159001M00 1 1159002M00 1 1168002M00 1 1195004M00 1 1023002M00 1 1159004M00 1 14 3 0.3% l 1113001M00 2 1113002M00 1 20 1 0.1% l 1157010M00 1 24 1 0.1% l 1019001M00 1 Total 1083