 
                 CPC
 CPC
                     E21B44/08
 E21B44/08
                     Helmerich & Payne Technologies, LLC
                                    Helmerich & Payne Technologies, LLC
                                 Angus Lamberton Jamieson
                                    Angus Lamberton Jamieson
                                 E21 - EARTH DRILLING MINING
                                    E21 - EARTH DRILLING MINING
                                 Exebenus AS
                                    Exebenus AS
                                 Olav  Revheim
                                    Olav  Revheim
                                 E21 - EARTH DRILLING MINING
                                    E21 - EARTH DRILLING MINING
                                 Intellicess, Inc.
                                    Intellicess, Inc.
                                 Pradeepkumar  Ashok
                                    Pradeepkumar  Ashok
                                 E21 - EARTH DRILLING MINING
                                    E21 - EARTH DRILLING MINING
                                 Schlumberger Technology Corporation
                                    Schlumberger Technology Corporation
                                 Benjamin Peter Jeffryes
                                    Benjamin Peter Jeffryes
                                 E21 - EARTH DRILLING MINING
                                    E21 - EARTH DRILLING MINING
                                 National Technology & Engineering Solutions of Sandia, LLC
                                    National Technology & Engineering Solutions of Sandia, LLC
                                 Stephen  Buerger
                                    Stephen  Buerger
                                 E21 - EARTH DRILLING MINING
                                    E21 - EARTH DRILLING MINING
                                 Helmerich & Payne Technologies, LLC
                                    Helmerich & Payne Technologies, LLC
                                 Angus Lamberton Jamieson
                                    Angus Lamberton Jamieson
                                 E21 - EARTH DRILLING MINING
                                    E21 - EARTH DRILLING MINING
                                 Landmark Graphics Corporation
                                    Landmark Graphics Corporation
                                 Manish K. Mittal
                                    Manish K. Mittal
                                 G06 - COMPUTING CALCULATING COUNTING
                                    G06 - COMPUTING CALCULATING COUNTING
                                 ConocoPhillips Company
                                    ConocoPhillips Company
                                 Yang  Zha
                                    Yang  Zha
                                 E21 - EARTH DRILLING MINING
                                    E21 - EARTH DRILLING MINING
                                 Saudi Arabian Oil Company
                                    Saudi Arabian Oil Company
                                 Arturo Magana Mora
                                    Arturo Magana Mora
                                 G06 - COMPUTING CALCULATING COUNTING
                                    G06 - COMPUTING CALCULATING COUNTING
                                 Epiroc Rock Drills Aktiebolag
                                    Epiroc Rock Drills Aktiebolag
                                 Samuel  Enblom
                                    Samuel  Enblom
                                 B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
                                    B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
                                 National Technology & Engineering Solutions of Sandia, LLC
                                    National Technology & Engineering Solutions of Sandia, LLC
                                 Stephen  Buerger
                                    Stephen  Buerger
                                 E21 - EARTH DRILLING MINING
                                    E21 - EARTH DRILLING MINING
                                 ConocoPhillips Company
                                    ConocoPhillips Company
                                 Bradford L. Cobb
                                    Bradford L. Cobb
                                 G06 - COMPUTING CALCULATING COUNTING
                                    G06 - COMPUTING CALCULATING COUNTING
                                 Nabors Drilling Technologies USA, Inc.
                                    Nabors Drilling Technologies USA, Inc.
                                 Peter  Harvey
                                    Peter  Harvey
                                 E21 - EARTH DRILLING MINING
                                    E21 - EARTH DRILLING MINING
                                 Sandvik Mining and Construction Oy
                                    Sandvik Mining and Construction Oy
                                 Pasi  Hamalainen
                                    Pasi  Hamalainen
                                 G01 - MEASURING TESTING
                                    G01 - MEASURING TESTING
                                 MHWIRTH AS
                                    MHWIRTH AS
                                 Tor Inge Waag
                                    Tor Inge Waag
                                 E21 - EARTH DRILLING MINING
                                    E21 - EARTH DRILLING MINING
                                 Baker Hughes, a GE company, LLC
                                    Baker Hughes, a GE company, LLC
                                 Andreas  Hohl
                                    Andreas  Hohl
                                 E21 - EARTH DRILLING MINING
                                    E21 - EARTH DRILLING MINING
                                 Nabors Drilling Technologies USA, Inc.
                                    Nabors Drilling Technologies USA, Inc.
                                 Mahmoud  Hadi
                                    Mahmoud  Hadi
                                 G06 - COMPUTING CALCULATING COUNTING
                                    G06 - COMPUTING CALCULATING COUNTING
                                 PRAKLA Bohrtechnik GmbH
                                    PRAKLA Bohrtechnik GmbH
                                 Stephan  Schaipp
                                    Stephan  Schaipp
                                 E21 - EARTH DRILLING MINING
                                    E21 - EARTH DRILLING MINING
                                 Halliburton Energy Services, Inc.
                                    Halliburton Energy Services, Inc.
                                 Jason D. Dykstra
                                    Jason D. Dykstra
                                 G05 - CONTROLLING REGULATING
                                    G05 - CONTROLLING REGULATING
                                 Baker Hughes Incorporated
                                    Baker Hughes Incorporated
                                 Andreas  Hartmann
                                    Andreas  Hartmann
                                 G06 - COMPUTING CALCULATING COUNTING
                                    G06 - COMPUTING CALCULATING COUNTING
                                 Precision Energy Services, Inc.
                                    Precision Energy Services, Inc.
                                 Barry  Schneider
                                    Barry  Schneider
                                 E21 - EARTH DRILLING MINING
                                    E21 - EARTH DRILLING MINING
                                 Atlas Copco Rock Drills AB
                                    Atlas Copco Rock Drills AB
                                 Jonas  Sinnerstad
                                    Jonas  Sinnerstad
                                 E21 - EARTH DRILLING MINING
                                    E21 - EARTH DRILLING MINING
                                 Atlas Copco Rock Drills AB
                                    Atlas Copco Rock Drills AB
                                 Peter  Birath
                                    Peter  Birath
                                 B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
                                    B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
                                 Atlas Copco Rock Drills AB
                                    Atlas Copco Rock Drills AB
                                 Per  Jonsson
                                    Per  Jonsson
                                 E21 - EARTH DRILLING MINING
                                    E21 - EARTH DRILLING MINING
                                 Sandvik Mining and Construction Oy
                                    Sandvik Mining and Construction Oy
                                 Markku  Keskiniva
                                    Markku  Keskiniva
                                 B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
                                    B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
                                 Sandvik Mining and Construction Oy
                                    Sandvik Mining and Construction Oy
                                 Markku  Keskiniva
                                    Markku  Keskiniva
                                 B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
                                    B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
                                 Sandvik Inteleectual Property AB
                                    Sandvik Inteleectual Property AB
                                 Heikki  Saha
                                    Heikki  Saha
                                 E21 - EARTH DRILLING MINING
                                    E21 - EARTH DRILLING MINING
                                 The United States of America as represented by the Secretary of the Interior
                                    The United States of America as represented by the Secretary of the Interior
                                 Jack  Rosenfield
                                    Jack  Rosenfield
                                 E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
                                    E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
                                 Atlas Copco Aktiebolag
                                    Atlas Copco Aktiebolag
                                 Berndt  Ekwall
                                    Berndt  Ekwall
                                 B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
                                    B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
                                 Helmerich & Payne Technologies, LLC
                                    Helmerich & Payne Technologies, LLC
                                 Angus Lamberton JAMIESON
                                    Angus Lamberton JAMIESON
                                 G01 - MEASURING TESTING
                                    G01 - MEASURING TESTING
                                 Helmerich & Payne Technologies, LLC
                                    Helmerich & Payne Technologies, LLC
                                 Angus Lamberton JAMIESON
                                    Angus Lamberton JAMIESON
                                 E21 - EARTH DRILLING MINING
                                    E21 - EARTH DRILLING MINING
                                 Helmerich & Payne Technologies, LLC
                                    Helmerich & Payne Technologies, LLC
                                 Jefferson  XU
                                    Jefferson  XU
                                 E21 - EARTH DRILLING MINING
                                    E21 - EARTH DRILLING MINING
                                 SCHLUMBERGER TECHNOLOGY CORPORATION
                                    SCHLUMBERGER TECHNOLOGY CORPORATION
                                 Ashley Bernard Johnson
                                    Ashley Bernard Johnson
                                 E21 - EARTH DRILLING MINING
                                    E21 - EARTH DRILLING MINING
                                 Landmark Graphics Corporation
                                    Landmark Graphics Corporation
                                 Manish K. Mittal
                                    Manish K. Mittal
                                 E21 - EARTH DRILLING MINING
                                    E21 - EARTH DRILLING MINING
                                 Helmerich & Payne Technologies, LLC
                                    Helmerich & Payne Technologies, LLC
                                 Angus Lamberton Jamieson
                                    Angus Lamberton Jamieson
                                 E21 - EARTH DRILLING MINING
                                    E21 - EARTH DRILLING MINING
                                 Saudi Arabian Oil Company
                                    Saudi Arabian Oil Company
                                 Arturo Magana Mora
                                    Arturo Magana Mora
                                 G06 - COMPUTING CALCULATING COUNTING
                                    G06 - COMPUTING CALCULATING COUNTING
                                 Landmark Graphics Corporation
                                    Landmark Graphics Corporation
                                 Robello  SAMUEL
                                    Robello  SAMUEL
                                 E21 - EARTH DRILLING MINING
                                    E21 - EARTH DRILLING MINING
                                 Exebenus AS
                                    Exebenus AS
                                 Olav  Revheim
                                    Olav  Revheim
                                 E21 - EARTH DRILLING MINING
                                    E21 - EARTH DRILLING MINING
                                 DOVER CHEMICAL CORPORATION
                                    DOVER CHEMICAL CORPORATION
                                 Duong  Nguyen
                                    Duong  Nguyen
                                 E21 - EARTH DRILLING MINING
                                    E21 - EARTH DRILLING MINING
                                 Sandvik Mining and Construction Oy
                                    Sandvik Mining and Construction Oy
                                 Pasi  HAMALAINEN
                                    Pasi  HAMALAINEN
                                 E21 - EARTH DRILLING MINING
                                    E21 - EARTH DRILLING MINING
                                 Nabors Drilling Technologies USA, Inc.
                                    Nabors Drilling Technologies USA, Inc.
                                 Peter  HARVEY
                                    Peter  HARVEY
                                 E21 - EARTH DRILLING MINING
                                    E21 - EARTH DRILLING MINING
                                 EPIROC ROCK DRILLS AKTIEBOLAG
                                    EPIROC ROCK DRILLS AKTIEBOLAG
                                 Samuel  ENBLOM
                                    Samuel  ENBLOM
                                 E21 - EARTH DRILLING MINING
                                    E21 - EARTH DRILLING MINING
                                 ConocoPhillips Company
                                    ConocoPhillips Company
                                 Bradford L. Cobb
                                    Bradford L. Cobb
                                 G06 - COMPUTING CALCULATING COUNTING
                                    G06 - COMPUTING CALCULATING COUNTING
                                 ConocoPhillips Company
                                    ConocoPhillips Company
                                 Yang  Zha
                                    Yang  Zha
                                 E21 - EARTH DRILLING MINING
                                    E21 - EARTH DRILLING MINING
                                 Nabors Drilling Technologies USA, Inc.
                                    Nabors Drilling Technologies USA, Inc.
                                 Mahmoud  HADI
                                    Mahmoud  HADI
                                 E21 - EARTH DRILLING MINING
                                    E21 - EARTH DRILLING MINING
                                 PRAKLA Bohrtechnik GmbH
                                    PRAKLA Bohrtechnik GmbH
                                 Stephan  SCHAIPP
                                    Stephan  SCHAIPP
                                 E21 - EARTH DRILLING MINING
                                    E21 - EARTH DRILLING MINING
                                 SANDVIK MINING AND CONSTRUCTION OY
                                    SANDVIK MINING AND CONSTRUCTION OY
                                 Miika  HUIKKOLA
                                    Miika  HUIKKOLA
                                 E21 - EARTH DRILLING MINING
                                    E21 - EARTH DRILLING MINING
                                 Halliburton Energy Services, Inc.
                                    Halliburton Energy Services, Inc.
                                 Jason D. Dykstra
                                    Jason D. Dykstra
                                 E21 - EARTH DRILLING MINING
                                    E21 - EARTH DRILLING MINING
                                 Shell Oil Company
                                    Shell Oil Company
                                 Sicco  DWARS
                                    Sicco  DWARS
                                 E21 - EARTH DRILLING MINING
                                    E21 - EARTH DRILLING MINING
                                 BAKER HUGHES INCORPORATED
                                    BAKER HUGHES INCORPORATED
                                 Andreas  Hartmann
                                    Andreas  Hartmann
                                 G06 - COMPUTING CALCULATING COUNTING
                                    G06 - COMPUTING CALCULATING COUNTING
                                 Jonas  Sinnerstad
                                    Jonas  Sinnerstad
                                 E21 - EARTH DRILLING MINING
                                    E21 - EARTH DRILLING MINING
                                 Peter  Birath
                                    Peter  Birath
                                 B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
                                    B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
                                 SANDVIK MINING AND CONSTRUCTION OY
                                    SANDVIK MINING AND CONSTRUCTION OY
                                 Markku  Keskiniva
                                    Markku  Keskiniva
                                 B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
                                    B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
                                 Precision Energy Services, Inc.
                                    Precision Energy Services, Inc.
                                 Barry  Schneider
                                    Barry  Schneider
                                 E21 - EARTH DRILLING MINING
                                    E21 - EARTH DRILLING MINING
                                 Per  Jonsson
                                    Per  Jonsson
                                 E21 - EARTH DRILLING MINING
                                    E21 - EARTH DRILLING MINING
                                 Markku  Keskiniva
                                    Markku  Keskiniva
                                 B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
                                    B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
                                 Heikki  Saha
                                    Heikki  Saha
                                 E21 - EARTH DRILLING MINING
                                    E21 - EARTH DRILLING MINING