이 특허를 인용한 특허 (241)

1. Radford, Steven R., Actuation assemblies, hydraulically actuated tools for use in subterranean boreholes including actuation assemblies and related methods.

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2. Radford, Steven R., Actuation assemblies, hydraulically actuated tools for use in subterranean boreholes including actuation assemblies and related methods.

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3. Radford, Steven R., Actuation mechanisms for downhole assemblies and related downhole assemblies and methods.

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4. Radford, Steven R., Actuation mechanisms for downhole assemblies and related downhole assemblies and methods.

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5. Turner, Evan; Sullivan, Eric, Adaptive control concept for hybrid PDC/roller cone bits.

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6. Shahin,David; Heidecke,Karsten, Adjustable rotating guides for spider or elevator.

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7. Hoffmaster,Carl M.; Truax,David K.; Beaton,Timothy P., Advanced expandable reaming tool.

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8. Vail, III,William Banning, Apparatus and method for completing oil and gas wells.

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9. Pietras,Bernd Georg, Apparatus and method for facilitating the connection of tubulars using a top drive.

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10. Hall,David R.; Dahlgren,Scott, Apparatus and method for vibrating a drill bit.

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11. Galloway, Gregory G.; Brunnert, David J., Apparatus and method of drilling with casing.

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12. Galloway,Gregory G.; Brunnert,David J., Apparatus and method of drilling with casing.

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13. Giroux,Richard L.; Galloway,Gregory G.; Le,Tuong Thanh; Jackson,Raymond H.; Nazzal,Gregory R.; Swarr,James C.; Brunnert,David J.; Beasley,William M.; Lirette,Brent J.; Odell,Albert C.; Terry,Jim; McKay,Dave; Alkhatib,Samir; Wardley,Mike, Apparatus and methods for drilling a wellbore using casing.

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14. Haugen, David M.; Tilton, Frederick T., Apparatus and methods for drilling with casing.

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15. Haugen,David M.; Tilton,Frederick T., Apparatus and methods for drilling with casing.

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16. Pietras,Bernd Georg, Apparatus and methods for facilitating the connection of tubulars using a top drive.

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17. Haugen, David M.; Tilton, Frederick T., Apparatus and methods for forming a lateral wellbore.

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18. Haugen,David M.; Tilton,Frederick T., Apparatus and methods for forming a lateral wellbore.

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19. Haugen,David M., Apparatus and methods for tubular makeup interlock.

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20. Giroux,Richard Lee; Odell, II,Albert C.; Thompson,Gary; Haugen,David; Le,Tuong Thanh; Dugal,Robert; Heidecke,Karsten; Shahin,David, Apparatus and methods of setting and retrieving casing with drilling latch and bottom hole assembly.

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21. Pietras,Bernd Georg, Apparatus for connecting tublars using a top drive.

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22. Pietras,Bernd Georg, Apparatus for facilitating the connection of tubulars using a top drive.

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23. Treviranus, Joachim; Freyer, Carsten; Oppelaar, Hans-Robert, Automated steerable hole enlargement drilling device and methods.

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24. Hall,David R.; Leany,Francis; Dahlgren,Scott; Wilde,Tyson J., Bi-center drill bit.

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25. Gordon A. Tibbitts, Bit torque limiting device.

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26. Tibbitts Gordon A., Bit torque limiting device.

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27. Tibbitts, Gordon A., Bit torque limiting device.

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28. Simpson,Neil Andrew Abercrombie; Harrall,Simon John, Bore lining and drilling.

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29. Hall,David R.; Dahlgren,Scott; Wilde,Tyson J., Cam assembly in a downhole component.

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30. Pietras,Bernd Georg; Bailey,Thomas F.; Vuyk, Jr.,Adrian; Wilson,Carl J., Casing running and drilling system.

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31. Pietras,Bernd Georg, Casing running head.

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32. Hall, David R.; Morris, Thomas, Central cutting region of a drilling head assembly.

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33. Hall, David R.; Lundgreen, David, Clutch for a jack element.

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34. Hall, David R.; Lundgreen, David, Clutch for a jack element.

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35. Johnson, Ashley Bernard; Downton, Geoffrey C.; Cook, John M., Compliantly coupled cutting system.

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36. Johnson, Ashley Bernard; Downton, Geoffrey C.; Cook, John M., Compliantly coupled gauge pad system.

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37. Radford, Steven R.; Ohm, Amanda K.; Kulkarni, Ajay V., Components of drilling assemblies, drilling assemblies, and methods of stabilizing drilling assemblies in wellbores in subterranean formations.

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38. Oxford, James Andy, Corrodible triggering elements for use with subterranean borehole tools having expandable members and related methods.

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39. Oxford, James Andy, Corrodible triggering elements for use with subterranean borehole tools having expandable members and related methods.

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40. Hall, David R.; Crockett, Ronald B.; Skeem, Marcus; Leany, Francis; Webb, Casey, Cutting element attached to downhole fixed bladed bit at a positive rake angle.

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41. Hall, David R.; Crockett, Ronald B.; Skeem, Marcus; Leany, Francis; Webb, Casey, Cutting element attached to downhole fixed bladed bit at a positive rake angle.

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42. Lyons, Nicholas J., Cutting structures, tools for use in subterranean boreholes including cutting structures and related methods.

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43. Lyons, Nicholas J., Cutting structures, tools for use in subterranean boreholes including cutting structures and related methods.

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44. Hall, David R.; Crockett, Ronald B.; Dahlgren, Scott, Degradation assembly.

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45. Hall, David R.; Hall, Jr., H. Tracy, Dense diamond body.

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46. Schulte, Philip Christof; Oppelaar, Hans Robert; Koppe, Michael, Directional wellbore control by pilot hole guidance.

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47. Howlett,Paul David; Telfer,George, Disengagable burr mill.

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48. Hall, David R.; Bailey, John D.; Crockett, Ronald B., Downhole drill bit.

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49. Hall, David R.; Bailey, John D.; Crockett, Ronald B., Downhole drill bit.

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50. Hall, David R.; Bailey, John D.; Crockett, Ronald B., Downhole drill bit.

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51. Rudd,Wayne; Metcalfe,Paul David, Downhole filter.

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52. Hall, David R.; Bailey, John; Dahlgren, Scott, Downhole hammer assembly.

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53. Hall, David R.; Lundgreen, David; Shumway, Jim; Nelson, Nathan; Wise, Daryl; Turner, Paula, Downhole jack assembly sensor.

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54. Hall, David R.; Lundgreen, David; Shumway, Jim; Nelson, Nathan; Wise, Daryl; Turner, Paula, Downhole jack assembly sensor.

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55. Hall, David R.; Bailey, John, Downhole mechanism.

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56. Hall, David R.; Bailey, John, Downhole mechanism.

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57. Hall, David R.; Dahlgren, Scott; Marshall, Jonathan, Downhole percussive tool with alternating pressure differentials.

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58. Hall, David R.; Dahlgren, Scott; Marshall, Jonathan, Downhole percussive tool with alternating pressure differentials.

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59. Hall, David R.; Lundgreen, David; Wise, Daryl, Downhole steering.

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60. Gentry, Steven Richard, Downhole tools having activation members for moving movable bodies thereof and methods of using such tools.

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61. Hall, David R.; Dahlgren, Scott; Marshall, Jonathan, Downhole turbine.

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62. Hall, David R.; Bailey, John, Downhole valve mechanism.

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63. Hall, David R., Drill bit.

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64. Hall, David R.; Bailey, John; Webb, Casey, Drill bit.

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65. Pia,Giancarlo T., Drill bit.

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66. Hall,David R., Drill bit assembly.

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67. Hall,David R.; Leany,Francis, Drill bit assembly adapted to provide power downhole.

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68. Hall,David R.; Leany,Francis E.; Dahlgren,Scott; Lundgreen,David; Wise,Daryl N., Drill bit assembly for directional drilling.

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69. Hall,David R.; Leany,Francis E.; Dahlgren,Scott; Lundgreen,David; Wise,Daryl N., Drill bit assembly for directional drilling.

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70. Hall,David R.; Leany,Francis; Durrand,Christopher J.; Turner,Paula, Drill bit assembly with a logging device.

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71. Hall,David R.; Leany,Francis; Turner,Paula; Durrand,Christopher; Lundgreen,David; Wise,Daryl, Drill bit assembly with a probe.

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72. Hall,David R., Drill bit assembly with an indenting member.

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73. Hall, David R.; Leany, Francis, Drill bit cutter pocket restitution.

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74. Jones, Mark L.; Curry, Kenneth M., Drill bit for earth boring.

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75. Johnson, Ashley Bernard; Sheppard, Michael Charles; Downton, Geoff, Drill bit gauge pad control.

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76. Hall, David R.; Bailey, John D., Drill bit nozzle.

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77. Hall, David R.; Dahlgren, Scott; Marshall, Jonathan, Drill bit steering assembly.

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78. Hall, David R.; Durrand, Christopher; Turner, Paula; Wise, Daryl, Drill bit transducer device.

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79. Hall, David R.; Leany, Francis; Crockett, Ronald B.; Webb, Casey; Skeem, Marcus, Drill bit with a pointed cutting element.

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80. Hall, David R.; Leany, Francis; Crockett, Ronald B.; Webb, Casey; Skeem, Marcus, Drill bit with a pointed cutting element and a shearing cutting element.

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81. Hall, David R.; Leany, Francis; Fox, Joe; Wilde, Tyson J.; Black, Boyd, Drill bit with a retained jack element.

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82. Beuershausen, Chad J., Drill bit with adjustable cutters.

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83. Hall, David R.; Turner, Paula; Durrand, Christopher, Drill bit with an electrically isolated transmitter.

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84. Spencer, Reed W.; Vempati, Chaitanya K., Drill bit with extendable gauge pads.

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85. Tibbitts Gordon A., Drill bit with gage definition region.

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86. Jones, Mark L.; Johnson, Kyle E., Drill bit with recessed center.

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87. Nackerud, Alan L., Drill bit with replaceable blade members.

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88. Buske, Robert J.; Bradford, John F., Drill bits with anti-tracking features.

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89. Buske, Robert J.; Bradford, John F., Drill bits with anti-tracking features.

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90. McKay,David; Haugen,David M., Drill shoe.

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91. Pia, Giancarlo, Drilling apparatus.

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92. Radford, Steven R.; Sinor, L. Allen; Nesheim, Anders K., Drilling assemblies including expandable reamers and expandable stabilizers, and related methods.

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93. Hall, David R.; Balley, John; Kudla, Matt; Fox, Joe, Drilling at a resonant frequency.

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94. Wardley,Mike, Drilling bit for drilling while running casing.

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95. Gylling, Kai, Drilling device.

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96. Pia,Giancarlo, Drilling method.

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97. Tibbitts Gordon A. ; Norris James A., Drilling structure with non-axial gage.

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98. Giroux,Richard L.; Thompson,Gary; Odell, III,Albert C., Drilling with casing latch.

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99. Galloway, Gregory G.; Brunnert, David J., Drilling with concentric strings of casing.

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100. Galloway,Gregory G.; Brunnert,David J., Drilling with concentric strings of casing.

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101. Ricks, Gregory L.; Felderhoff, Floyd C.; Pessier, Rudolf Carl, Earth-boring rotary tools having fixed blades and rolling cutter legs, and methods of forming same.

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102. Radford, Steven R.; Trinh, Khoi Q., Earth-boring tools including expandable members and status indicators and methods of making and using such earth-boring tools.

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103. Laing, Robert A.; Ireland, Kelly D.; Gautam, Anurag; Radford, Steven R., Expandable apparatus and related methods.

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104. Radford, Steven R.; Gautam, Anurag; Laing, Robert A., Expandable apparatus and related methods.

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105. Radford, Steven R.; Gautam, Anurag; Laing, Robert A., Expandable apparatus and related methods.

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106. Tulloch,Rory McCrae, Expandable apparatus for drift and reaming borehole.

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107. Tulloch,Rory McCrae, Expandable bit.

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108. Gledhill, Andrew D.; Fuller, Mark S.; Dalrymple, Kenneth J., Expandable bit with secondary release device.

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109. Radford, Steven R.; Shu, Scott Shiquiang; Shale, Les T.; Morris, Mark E.; Kizziar, Mark R.; Zahradnik, Anton F., Expandable earth-boring wellbore reamers and related methods.

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110. Lehr, Douglas J., Expandable junk mill.

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111. Radford, Steven R.; Kizziar, Mark R.; Jenkins, Mark A., Expandable reamer apparatus including stabilizers.

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112. Radford, Steven R.; Oesterberg, Marcus; Trinh, Khoi Q.; Miller, Timothy; Anandampillai, Shyam; Jurica, Chad T.; Herberg, Wolfgang E.; Haubold, Carsten; Jakubeit, Christopher; Wiegmann, Michael; Behnsen, Jens; Faber, Hans-Juergen, Expandable reamer assemblies, bottom hole assemblies, and related methods.

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113. Radford, Steven R.; Oesterberg, Marcus; Trinh, Khoi Q.; Miller, Timothy; Anandampillai, Shyam; Jurica, Chad T.; Herberg, Wolfgang Eduard; Haubold, Carsten; Jakubeit, Christopher; Wiegmann, Michael; Behnsen, Jens; Faber, Hans-Juergen, Expandable reamer assemblies, bottom-hole assemblies, and related methods.

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114. Radford, Steven R.; Shu, Scott Shiqiang; Shale, Les T.; Morris, Mark E.; Kizziar, Mark R.; Zahradnik, Anton F., Expandable reamer tools.

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115. Radford, Steven R.; Miller, Timothy; Oesterberg, Marcus, Expandable reamers and methods of using expandable reamers.

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116. Radford, Steven R.; Miller, Timothy; Oesterberg, Marcus, Expandable reamers and methods of using expandable reamers.

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117. Radford, Steven R.; Shu, Scott S.; Shale, Les T.; Morris, Mark E.; Kizziar, Mark R.; Zahradnik, Anton F., Expandable reamers for earth-boring applications and methods of using the same.

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118. Poteet, III, Carl E., Expandable reamers having nonlinearly expandable blades, and related methods.

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119. Poteet, III, Carl E., Expandable reamers having sliding and rotating expandable blades, and related methods.

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120. Kulkarni, Ajay V., External, divorced PDC bearing assemblies for hybrid drill bits.

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121. Kulkarni, Ajay V., External, divorced PDC bearing assemblies for hybrid drill bits.

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122. Kulkarni, Ajay V., External, divorced PDC bearing assemblies for hybrid drill bits.

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123. Hall, David R.; Crockett, Ronald B.; Skeem, Marcus; Leany, Francis; Webb, Casey, Fixed bladed bit that shifts weight between an indenter and cutting elements.

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124. Hall, David R.; Dahlgren, Scott; Turner, Paula; Durrand, Christopher; Marshall, Jonathan, Flow guide actuation.

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125. Hall, David R.; Dahlgren, Scott; Turner, Paula; Durrand, Christopher; Marshall, Jonathan, Flow guide actuation.

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126. Hall, David R., Fluid-actuated hammer bit.

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127. Carter,Thurman B.; Brunnert,David J.; Haugen,David M., Full bore lined wellbores.

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128. Lee, Kwang Ik, Hammer bit.

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129. Hall, David R.; Skeem, Marcus; Leany, Francis, High impact resistant degradation element.

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130. Hall, David R.; Crockett, Ronald B.; Webb, Casey; Beazer, Michael, High impact resistant tool with an apex width between a first and second transitions.

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131. Hall, David R.; Jepson, Jeff; Wilde, Tyson J., Holder assembly.

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132. Meister, Matthias; Herberg, Wolfgang E.; Bothmann, Gunnar; Treviranus, Joachim; Freyer, Carsten; Oppelaar, Hans-Robert, Hole enlargement drilling device and methods for using same.

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133. Meister, Matthias; Herberg, Wolfgang Eduard; Bothman, Gunnar; Treviranus, Joachim; Freyer, Carsten; Oppelaar, Hans-Robert, Hole enlargement drilling device and methods for using same.

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134. Buske, Robert J.; Pessier, Rudolf C., Hole opener with hybrid reaming section.

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135. Buske, Robert J.; Pessier, Rudolf C., Hole opener with hybrid reaming section.

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136. Buske, Robert J.; Pessier, Rudolf C., Hole opener with hybrid reaming section and method of making.

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137. Schroder, Jon, Hybrid bit with mechanically attached roller cone elements.

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138. Kulkarni, Ajay V., Hybrid bit with variable exposure.

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139. Kulkarni, Ajay V., Hybrid bit with variable exposure.

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140. Zahradnik, Anton F.; McCormick, Ron D.; Pessier, Rudolf C.; Oldham, Jack T.; Damschen, Michael S.; Nguyen, Don Q.; Meiners, Matt; Cepeda, Karlos B.; Blackman, Mark P., Hybrid drill bit.

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141. Zahradnik, Anton F.; McCormick, Ron D.; Pessier, Rudolf C.; Oldham, Jack T.; Damschen, Michael S.; Nguyen, Don Q.; Meiners, Matt; Cepeda, Karlos B.; Blackman, Mark P., Hybrid drill bit.

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142. Zahradnik, Anton F.; Pessier, Rudolf Carl; Nguyen, Don Q.; Meiners, Matthew J.; Cepeda, Karlos B.; Damschen, Michael S.; Blackman, Mark P.; Oldham, Jack T.; McCormick, Ronny D., Hybrid drill bit and design method.

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143. Nguyen, Don Q.; Poteet, Carl E.; Sullivan, Eric C.; Bradford, John F.; Blackman, Mark P.; Massey, Alan J.; Ricks, Gregory L., Hybrid drill bit having increased service life.

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144. Zahradnik, Anton F.; Nguyen, Don Q.; Massey, Alan J., Hybrid drill bit with high bearing pin angles.

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145. Zahradnik, Anton F.; Pessier, Rudolf C.; Rothe, Mitchell A.; Nguyen, Don Q.; Cepeda, Karlos; Damschen, Michael S.; Buske, Robert J.; Howard, Johnathan; Bradford, John F.; Prevost, Gregory C.; Vempati, Chaitanya K., Hybrid drill bits.

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146. Zahradnik, Anton F.; Buske, Robert J.; Pessier, Rudolf C.; Nguyen, Don Q.; Cepeda, Karlos; Damschen, Michael S.; Rothe, Mitchell A.; Howard, Johnathan; Prevost, Gregory C.; Vempati, Chaitanya K.; Bradford, John F., Hybrid drill bits having increased drilling efficiency.

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147. Zahradnik, Anton F.; Buske, Robert J.; Pessier, Rudolf C.; Nguyen, Don Q.; Cepeda, Karlos; Damschen, Michael S.; Rothe, Mitchell A.; Howard, Johnathan; Prevost, Gregory C.; Vempati, Chaitanya K; Bradford, John F., Hybrid drill bits having increased drilling efficiency.

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148. Hall,David R.; Leany,Francis E.; Dahlgren,Scott S., Hydraulic drill bit assembly.

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149. Hall,David R.; Leany,Francis E.; Dahlgren,Scott S., Hydraulic drill bit assembly.

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150. Hall, David R.; Leany, Francis; Bailey, John, Indenting member for a drill bit.

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151. Hall, David R.; Leany, Francis; Webb, Casey; Skeem, Marcus, Inner bit disposed within an outer bit.

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152. Hall,David R.; Shumway,Jim, Jack element adapted to rotate independent of a drill bit.

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153. Hall, David R.; Leany, Francis E.; Fox, Joe; Wilde, Tyson J., Jack element for a drill bit.

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154. Hall, David R.; Leany, Francis E.; Fox, Joe; Wilde, Tyson J., Jack element for a drill bit.

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155. Hall,David R.; Wilde,Tyson J.; Miskin,Ben, Jack element in communication with an electric motor and or generator.

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156. Hall, David R.; Wilde, Tyson J., Jet arrangement for a downhole drill bit.

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157. Hall, David R., Layered polycrystalline diamond.

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158. Hall, David R., Layered polycrystalline diamond.

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159. Hall, David R.; Wahlquist, David, Lead the bit rotary steerable system.

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160. Hall, David R.; Turner, Paula; Lundgreen, David; Woolston, Scott, Lead the bit rotary steerable tool.

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161. Hall, David R.; Turner, Paula; Lundgreen, David; Woolston, Scott, Lead the bit rotary steerable tool.

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162. Abrant, William R.; Butterfield, Jr., Charles A.; Heisig, Gerald, Method and apparatus for casing entry.

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163. Vail, III,William Banning, Method and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells.

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164. Vail, III,William Banning; Chitwood,James E., Method and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells.

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165. Vail, III,William Banning; Chitwood,James E., Method and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells.

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166. Pietras,Bernd Georg, Method and apparatus for connecting tubulars using a top drive.

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167. Shahin,David; Habetz,Jeff; Haugen,David M.; Thompson,Gary; Pietras,Bernd Georg; Hollingsworth,Jimmy L.; Reinholdt,Bernd, Method and apparatus for drilling with casing.

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168. McDaniel,Gary; Thomas, Jr.,Allen Keith; Cummins,Patrick D.; Hill,Troy F.; Cummins,Tracy J.; Boutwell, Jr.,Doyle Frederic; Hayes,Michael, Method and apparatus for handling wellbore tubulars.

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169. Sheppard, Michael Charles; Johnson, Ashley Bernard; Downton, Geoff, Method and system for steering a directional drilling system.

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170. Hall, David R.; Crockett, Ronald B.; Skeem, Marcus; Leany, Francis; Webb, Casey, Method for drilling with a fixed bladed bit.

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171. Hall, David R.; Crockett, Ronald; Bailey, John, Method for manufacturing a drill bit.

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172. Glaser,Mark C.; Allen,Jack R.; Ferguson,Gerald M.; Alvarez,Ralph A., Method of drilling and completing multiple wellbores inside a single caisson.

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173. Vail, III,William Banning, Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells.

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174. Vail, III,William Banning, Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells.

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175. Vail, III,William Banning, Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells.

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176. Vail, III,William Banning, Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells.

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177. Vail, III,William Banning, Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells.

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178. Vail, III,William Banning, Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells.

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179. Pietras, Bernd Georg, Methods and apparatus for connecting tubulars using a top drive.

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180. Giroux, Richard L.; Odell, II, Albert C.; Xu, Wei, Methods and apparatus for drilling with casing.

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181. Giroux,Richard L.; Shahin,David; Vuyk, Jr.,Adrian; Thompson,Gary; Gray,Kevin Leon; Allen,John Timothy; Snider,Randy Gene, Methods and apparatus for handling and drilling with tubulars or casing.

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182. Giroux,Richard L.; Galloway,Gregory G.; Brunnert,David J.; Maguire,Patrick G.; Le,Tuong Thanh; Odell, II,Albert C.; Haugen,David M.; Tilton,Frederick T.; Lirette,Brent J.; Murray,Mark; Moyes,Peter Barnes, Methods and apparatus for wellbore construction and completion.

     상세보기
183. Lirette, Brent J.; Brunnert, David J., Methods and apparatus for wellbore construction and completion.

     상세보기
184. Metcalfe,Paul David; Simpson,Neil Andrew Abercrombie, Methods for drilling and lining a wellbore.

     상세보기
185. Oesterberg, Marcus; Enterline, James D., Methods of forming earth-boring tools utilizing expandable reamer blades.

     상세보기
186. Peters, Volker, Modular earth-boring tools, modules for such tools and related methods.

     상세보기
187. McCormick, Ron D.; Pessier, Rolf Carl; Nguyen, Don Q.; Marvel, Tim King; Isbell, Matthew R.; Zahradnik, Anton F.; Cepeda, Karlos B.; Damschen, Michael Steven; Winnon, Steven M., Modular hybrid drill bit.

     상세보기
188. Johnson, Ashley Bernard; Downton, Geoffrey C.; Cook, John M., Motor bit system.

     상세보기
189. Hall, David R.; Crockett, Ronald; Fox, Joe; Bailey, John, Percussive drill bit.

     상세보기
190. Hall, David R.; Crockett, Ronald B.; Bailey, John, Pointed diamond working ends on a shear bit.

     상세보기
191. Hall, David R.; Crockett, Ronald B.; Bailey, John D., Pointed working ends on a bit.

     상세보기
192. Shahin,David; Habetz,Jeff; Hollingsworth,Jimmy Lawrence; Reinholdt,Bernd, Positioning and spinning device.

     상세보기
193. Radford, Steven R.; Trinh, Khoi Q.; Habernal, Jason R.; Glasgow, Jr., R. Keith; Evans, John G.; Stauffer, Bruce; Witte, Johannes, Remotely controlled apparatus for downhole applications and methods of operation.

     상세보기
194. Radford, Steven R.; Trinh, Khoi Q.; Habernal, Jason R.; Glasgow, R. Keith; Evans, John G.; Stauffer, Bruce; Witte, Johannes, Remotely controlled apparatus for downhole applications and methods of operation.

     상세보기
195. Radford, Steven R.; Jurica, Chad T.; Li, Li; Miller, Timothy; Oesterberg, Marcus; Trinh, Khoi Q., Remotely controlled apparatus for downhole applications, components for such apparatus, remote status indication devices for such apparatus, and related methods.

     상세보기
196. Radford, Steven R.; Kidder, Kevin G., Restriction element trap for use with an actuation element of a downhole apparatus and method of use.

     상세보기
197. Hall, David R.; Jepson, Jeff; Wilde, Tyson J., Retention for holder shank.

     상세보기
198. Jordan, John Christopher; Martens, James G.; Colvard, R. Lee; Lirette, Brent J.; Galloway, Gregory Guy; Brunnert, David J.; Gaspard, Gregory Gerard; Gradishar, John Robert, Retractable joint and cementing shoe for use in completing a wellbore.

     상세보기
199. Hall, David R.; Crockett, Ronald B.; Gerla, Andrew, Roof bolt bit.

     상세보기
200. Hall, David R.; Crockett, Ronald, Roof mining drill bit.

     상세보기
201. Hall,David R., Rotary bit with an indenting member.

     상세보기
202. Hall, David R.; Crockett, Ronald B.; Bailey, John, Rotary drag bit with pointed cutting elements.

     상세보기
203. Griffin Nigel Dennis,GBX ; Fuller John Michael,GBX ; Newton Alex ; Taylor Malcolm Roy,GBX ; Murdock Andrew,GBX ; Taylor Steven,GBX, Rotary drill bit having moveable formation-engaging members.

     상세보기
204. Hall,David R.; Wahlquist,David, Rotary valve for a jack hammer.

     상세보기
205. Cooley Craig H. ; Hansen Wayne R. ; Miller Brian E. ; Scott Danny E. ; Beeman Daniel, Rotary-type earth boring drill bit, modular bearing pads therefor and methods.

     상세보기
206. Hall, David R.; Crockett, Ronald B.; Peterson, Gary; Jepson, Jeffrey B., Seal with contact element for pick shield.

     상세보기
207. Radford, Steven R.; Oesterberg, Marcus; Gentry, S. Richard, Selectively actuating expandable reamers and related methods.

     상세보기
208. Radford, Steven R.; Oesterberg, Marcus; Gentry, S. Richard, Selectively actuating expandable reamers and related methods.

     상세보기
209. Hall, David R.; Shumway, Jim; Wahlquist, David, Sensor for determining a position of a jack element.

     상세보기
210. Hall, David R.; Leany, Francis; Woolston, Scott; Manwill, Daniel, Sensor on a formation engaging member of a drill bit.

     상세보기
211. Hall, David R.; Leany, Francis; Woolston, Scott; Manwill, Daniel, Sensor on a formation engaging member of a drill bit.

     상세보기
212. Hall, David R.; Crockett, Ronald B.; Jepson, Jeff, Shank for an attack tool.

     상세보기
213. Giroux,Richard L.; Brunnert,David J.; Galloway,Gregory Guy; Jordan,John C., Single-direction cementing plug.

     상세보기
214. Taylor Steven,GBX, Split blade rotary drag type drill bits.

     상세보기
215. Hall, David R.; Crockett, Ronald B.; Leany, Francis, Spring loaded pick.

     상세보기
216. Giroux, Richard Lee; Rosenberg, Steven M., Stage cementing methods used in casing while drilling.

     상세보기
217. Radford, Steven R.; Trinh, Khoi Q., Status indicators for use in earth-boring tools having expandable members and methods of making and using such status indicators and earth-boring tools.

     상세보기
218. Hall, David R.; Marshall, Jonathan; Dahlgren, Scott S., Steering mechanism with a ring disposed about an outer diameter of a drill bit and method for drilling.

     상세보기
219. Johnson, Ashley Bernard; Sheppard, Michael Charles; Downton, Geoff, Stochastic bit noise.

     상세보기
220. Johnson, Ashley Bernard; Sheppard, Michael Charles; Downton, Geoff, Stochastic bit noise control.

     상세보기
221. Nguyen, Don Q.; Zahradnik, Anton F.; Pessier, Rudolf C.; Blackman, Mark P.; Bradshaw, Robert D.; Young, Scott A.; McCormick, Ronny D.; Anandampillai, Shyam; Damschen, Michael S.; Buske, Robert J., System and method for adjusting roller cone profile on hybrid bit.

     상세보기
222. Johnson, Ashley; Aldred, Walter David; Downton, Geoffrey Charles; Boualleg, Riadh; Haugvaldstad, Kjell; Sheppard, Michael, System and method for controlling a drilling system for drilling a borehole in an earth formation.

     상세보기
223. Sheppard, Michael Charles; Johnson, Ashley Bernard; Downton, Geoff, System and method for directional drilling a borehole with a rotary drilling system.

     상세보기
224. Johnson, Ashley; Aldred, Walter David; Downton, Geoffrey; Boualleg, Riadh; Haugvaldstad, Kjell; Sheppard, Michael, System and method for drilling.

     상세보기
225. Johnson, Ashley; Aldred, Walter David; Downton, Geoffrey; Boualleg, Riadh; Haugvaldstad, Kjell; Sheppard, Michael, System and method for drilling.

     상세보기
226. Ricks, Gregory L.; Felderhoff, Floyd C.; Pessier, Rudolf C., System and method for leg retention on hybrid bits.

     상세보기
227. Sheppard, Michael Charles; Johnson, Ashley Bernard; Downton, Geoff, System for directionally drilling a borehole with a rotary drilling system.

     상세보기
228. Hall, David R.; Shumway, Jim, System for steering a drill string.

     상세보기
229. Hall, David R.; Crockett, Ronald B.; Fox, Joe, Thermally stable pointed diamond with increased impact resistance.

     상세보기
230. Hall, David R.; Marshall, Jonathan; Dahlgren, Scott, Timed steering nozzle on a downhole drill bit.

     상세보기
231. Radford, Steven R.; Trinh, Khoi Q.; Gentry, S. Richard, Tools for use in subterranean boreholes having expandable members and related methods.

     상세보기
232. Snider, Randy Gene; Shahin, David; Allen, Jim; Gray, Kevin; Thompson, Gary, Top drive casing system.

     상세보기
233. Hall, David R.; Crockett, Ronald B.; Skeem, Marcus; Leany, Francis; Webb, Casey, Tracking shearing cutters on a fixed bladed drill bit with pointed cutting elements.

     상세보기
234. Hall, David R.; Crockett, Ronald B.; Skeem, Marcus; Leany, Francis; Webb, Casey, Tracking shearing cutters on a fixed bladed drill bit with pointed cutting elements.

     상세보기
235. Hall, David R.; Dahlgren, Scott; Marshall, Jonathan, Turbine driven hammer that oscillates at a constant frequency.

     상세보기
236. Oesterberg, Marcus; Enterline, James D., Utilization of expandable reamer blades in rigid earth-boring tool bodies.

     상세보기
237. Boyle, John, Vessel for well intervention.

     상세보기
238. Haugen David M. ; Blizzard ; Jr. William A. ; Schnitker Mark W. ; Delgado Steve R. ; Carter Thurman B. ; Roberts John D. ; Mills Joseph D. ; Tilton Frederick T. ; Johantges Paul J. ; Pleasants Charle, Wellbore milling and drilling.

     상세보기
239. Haugen David M. ; Tilton Frederick T. ; Mills Joseph D. ; Hutchings Randy P. ; McClung ; III Guy L. ; Delgado Steve R., Wellbore milling-- drilling.

     상세보기
240. Herberg, Wolfgang E.; Gruetzmann, Ines, Wellbore tool with exchangeable blades.

     상세보기
241. Tilton,Frederick T.; Brunnert,David J., Wired casing.

     상세보기
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