Tricone Drill Bit Inventory

Item Qty Size Type Manufacturer Serial Number Pallet Number

1. 1 8-1/2 x 4-1/2 PD-5 DBS 5910339 A 2. 1 8-1/2 x 4-1/2 PD-5-SP DBS 33595 A 3. 1 8-1/2 x 4-1/2 PD-5-SP DBS 34041 A 4. 1 8-1/2 x 4-1/2 PD-5-SP DBS 5940266 A 5. 1 12-1/4 x 6-5/8 PD-5 DBS 5920324 A 6. 1 11-3/4 x 6-5/8 PS49H Hycalog H39464 A 7. 1 12-1/4 x 6-5/8 DS107HDFGPV Hycalog 18986 A 8. 1 12-1/4 x 6-5/8 AK1-2 DBS 5671676 A 9. 1 12-1/4 x 6-5/8 AK1-2 DBS 5972259 A 10. 1 5-7/8 x 3-1/2 FM2641 DBS 5983643 A 11. 1 5-7/8 x 3-1/2 PD-5 DBS 1961849 A 12. 1 8-1/2 x 4-1/2 PD-4-HS DBS 5920024 A 13. 1 8-1/2 x 4-1/2 PD-5-SP DBS 129V04 A 14. 1 12-1/4 x 6-5/8 TBT601MP ? 7931141 A 15. 1 12-1/4 x 6-5/8 AK1-1 DBS 35575 B 16. 1 12-1/4 x 6-5/8 FM2861 DBS 5983241 B 17. 1 12-1/4 x 6-5/8 FM2861 DBS 33754 B 18. 1 12-1/4 x 6-5/8 P100 Smith J00030 B 19. 1 12-1/4 x 6-5/8 SST Christensen P74468 B 20. 1 8-1/2 x 4-1/2 DS66H Hycalog 17586 B 21. 1 8-3/8 x 4-1/2 DS31H Hycalog 8989 B 22. 1 8-1/2 x 4-1/2 DS111HGW Hycalog H43813 B 23. 1 8-3/8 x 4-1/2 FM2745 DBS 34784 B Item Qty Size Part Number Manufacturer Serial Number Pallet Number

24. 1 12-1/4 x 6-5/8 M21EP Smith J05960 B 25. 1 8-1/2 x 4-1/2 DS84HGJ Hycalog H39463 B 26. 1 12-1/4 x 6-5/8 D185SP DBS 120264 B 27. 1 6 x 3-1/2 DS266 Hycalog 10518 B 28. 1 8-1/2 x 4-1/2 HZ231142 Stratapax 19116 B 29. 1 8-1/2 x 4-1/2 245NDTS Hycalog 32873 B 30. 1 4-1/8 x 2-3/8 DS100HGIV Hycalog 18604 B 31. 1 4-3/4 x 2-7/8 DS74HGU Hycalog 16462 B 32. 1 12-1/4 x 12-3/8 x 6-5/8 P100 DBS H127N03 C 33. 1 12-1/4 x 12-3/8 x 6-5/8 PD-BC DBS H17NO4R C 34. 1 5-7/8 x 3-1/2 DSH4HGN Hycalog H45347 B 35. 1 12-7/32 x 6-5/8 ROCT1 Christensen P46240 B 36. 1 8-1/2 x 4-1/2 FM2661 DBS 5972468 A 37. 1 12-1/4 x 6-5/8 FM2566 DBS 34760 A 38. 1 12-1/4 x 6-5/8 DS49H Hycalog 33469 D 39. 1 8-1/2 x 4-1/2 DSH4HGJU Hycalog H435559 D 40. 1 12-1/4 x 6-5/8 TD103 ? 24G21V A 41. 1 12-1/4 x 6-5/8 DS66DGJ Hycalog H42485 D 42. 1 8-1/2 x 4-1/2 DS66HV Hycalog H38035 D 43. 1 12-1/4 x 6-5/8 DS34HFG Hycalog 11748 D 44. 1 9-5/8 x 6-5/8 N103 SMF ? D 45. 1 12-1/4 x 6-5/8 RD3 ? CP1509 D 46. 1 12-1/4 x 6-5/8 RD3 ? CP1488 D 47. 1 14-3/4 x 7-5/8 PD1-3T Hycalog 12587 D 48. 1 12-1/4 x 6-5/8 PD-5-SP DBS 33755 E 49. 1 8-1/2 x 4-1/2 TB26 ? 7083993 D 50. 1 12-1/4 x 6-5/8 FM2861 DBS 5983730 A 51. 1 8-1/2 x 4-1/2 PD-5-SP DBS 5970600 E 52. 1 8-3/8 x 4-1/2 S320 DBS 122047 D 53. 1 8-1/2 x 4-1/2 PD-5-SP ? 5940178 E 54. 1 8-1/2 x 4-1/2 DS66DGJ Hycalog H43184 D 55. 1 8-1/2 x 4-1/2 PD-5 DBS 5920338AB E 56. 1 8-1/2 x 4-1/2 PD-5-SP DBS 5970541 E 57. 1 8-3/8 x 4-1/2 DS56H Hycalog H37720 D 58. 1 8-1/2 x 4-1/2 TBT6011MP ? 7910583 D Item Qty Size Part Number Manufacturer Serial Number Pallet Number

59. 1 8-1/2 x 4-1/2 HZ23+M2 ? 30561 E 60. 1 8-1/2 x 4-1/2 MIR9917 Hycalog 34952 D 61. 1 8-15/32 x 4-1/2 MD41 ? P6180 E 62. 1 8-1/2 x 8-3/8 x 4-1/2 BB1 DBS 1270R1R C 63. 1 8-1/2 x 4-1/2 S11T Tri-Max A41488-625 C 64. 1 8-3/8 x 4-1/2 R60ST DBS 1208960 E 65. 1 8-3/8 x 4-1/2 TD103HS ? 7840780 E 66. 1 12-1/4 x 6-5/8 LX13MR ? 7940386 E 67. 1 5-7/8 x 3-1/2 FM26471 DBS 7971485 E 68. 1 5-7/8 x 3-1/2 445BTX Hycalog H44952 E 69. 1 5-7/8 x 3-1/2 443PTX Hycalog H44368 E 70. 1 5-7/8 x 3-1/2 443PTX Hycalog H44479 E 71. 1 8-1/2 x 4-1/2 443PTX Hycalog H44226 E 72. 1 8-1/2 x 4-1/2 DS84HGJFDTX Hycalog H42399 E 73. 1 12-1/4 x 6-5/8 PD-7 DBS 102QOSR1 E 74. 1 11-3/4 x 6-5/8 PD-5 DBS 5930484 E 75. 1 12-1/4 x 6-5/8 R60ST Christensen 1204082 E 76. 1 5-1/2 x 3-1/2 D72HT Smith J07067 E 77. 1 8-1/2 x 4-1/2 D519BHL Hycalog 9019 E 78. 1 5-7/8 x 3-1/2 M16P Smith R4288 D 79. 1 8-1/2 x 6-7/8 x 3 C25B Christensen 1801691 F 80. 1 8-15/32 x 3 C25 Christensen 50078 F 81. 1 8-1/2 x 4-3/8 CH512 Oreco 02003 F 82. 1 8-1/2 x 4 CB303 DBS 7881000 F 83. 1 8-1/2 x 4 CD502 DBS 7880745 F 84. 1 8-1/2 x 4 CB303 DBS 7890423 F 85. 1 8-1/2 x 4 CT303 DBS 7910825 F 86. 1 8-3/4 x 4 CD505 DBS 7083726 F 87. 1 8-3/4 x 4 CB17BD ? 85169 F 88. 1 8-3/8 x 4 CD502 DBS 7890087 F 89. 1 8-1/2 x 4-3/8 CT303HS DBS 7880568 F 90. 1 8-1/2 x 4 CB303 DBS 7870995 F 91. 1 8-1/2 x 4 CB303 DBS 7083634 F 92. 1 8-1/2 x 4 CT303HS DBS 7880967 F 93. 1 12-1/4 x 5-1/4 SC226/FA100 Christensen 1450932 G Item Qty Size Part Number Manufacturer Serial Number Pallet Number

94. 1 12-1/4 x 5-1/4 SC225 Christensen 104339101 G 95. 1 12-1/4 x 5-1/4 CBC Christensen 1450014 G 96. 1 12-1/4 x 5-1/4 CB303 DBS 7083719 G 97. 1 12-1/4 x 5-1/4 CB303 DBS 7840450 G

Tricone Drill Bit Inventory Item Qty Description Part Number Manufacturer Serial Manufacturers Number Number 1. 1 12-1/4 “ x 6-5/8” FGSS+2 Smith LW6023 ER5779 2. 1 12-1/4” x 6-5/8” 05GM Smith LW3815 ER5733 3. 1 12-1/4” x 6-5/8” 10MD Smith LG8350 ER5288 4. 1 12-1/4” x 6-5/8” M2218A5/MXC18 ? G80DL - 5. 1 12-1/4” x 6-5/8” MSDGH Smith LK7007 - 6. 1 12-1/4” x 6-5/8” FGSSH+ Smith LW3055 - 7. 1 9-1/2” x 6-5/8” 12MFDGPD Smith LT7888 ER5541 8. 1 8-3/4” x 4-1/2” MF27DPD Smith LY7940 - 9. 1 8-3/4” x 4-1/2” MF27DPD Smith LY7941 - 10. 1 8-3/4” x 4-1/2” MF27DPD Smith LY7939 - 11. 1 8-1/2” x 4-1/2” 25MFPD Smith LK3544 ER5487 12. 1 8-1/2” x 4-1/2” 05MFG Smith LW8843 ER5739 13. 1 8-1/2” x 4-1/2” 20MFDYPD Smith LR8596 - 14. 1 8-1/2” x 4-1/2” MFDGH Smith LW9120 - 15. 1 8-1/2” x 4-1/2” 30MFPD Smith LK7473 16. 1 8-1/2” x 4-1/2” MF27DPD Smith LR0597 - 17. 1 8-1/2” x 4-1/2” BHP5ADHKP Smith LX8024 - 18. 1 8-1/2” x 4-1/2” 05MFG Smith LR9433 - 19. 1 8-1/2” x 4-1/2” 20MFDPD Smith LK2969 ER5496 20. 1 8-1/2” x 4-1/2” MFDGH Smith LW5394 _ 21. 1 8-1/2” x 4-1/2” 05MF Smith LR9434 ER5462 22. 1 8-1/2” x 4-1/2” EHP51ADHKP Smith LX8023 - 23. 1 8-1/2” x 4-1/2” MF27DPD Smith LR1060 - 24. 1 8-1/2” x 4-1/2” 20MFDYPD Smith LR8597 - 25 1 6” x 3-1/2” FDS4ST Smith LT5218 - 26. 1 6” x 3-1/2” XR20HTDGPD Smith LY1452 ER5703 27. 1 16” x 7-5/8” 02GM Smith LW9862 - 28. 1 16“ x 7-5/8” X6009A1/MXT09 ? K03DR - 29. 1 16” x 7-5/8” X6003A1/MXT03 ? L79DL - 30. 1 16” x 7-5/8” 02M Smith LG9735 ER5318 31. 1 17-1/2” x 7-5/8” 174R153CR1 ? S85D1 - 32. 1 17-1/2” x 7-5/8” 509511D/153009 ? ETR04MPS -