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1973-06-28 |
1977-12-23 |
Petroles Cie Francaise |
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1976-09-20 |
1978-08-29 |
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Method and apparatus for pipe joint locator, counter and displacement calculator
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1977-09-26 |
1978-07-11 |
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1977-11-02 |
1981-08-04 |
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Method and apparatus for logging inclined earth boreholes
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1978-05-25 |
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1979-08-29 |
1986-10-07 |
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1980-05-02 |
1982-06-08 |
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1983-04-27 |
1985-04-23 |
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1983-11-29 |
1985-07-03 |
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1986-06-30 |
1988-07-12 |
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Method and apparatus for compensating for drilling line stretch in determining equipment depth in a well and for measurement of hookload on the traveling block of a drilling rig
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FR2614360B1
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1987-04-27 |
1989-06-16 |
Forex Neptune |
Procede de mesure de la vitesse d'avancement d'un outil de forage
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1987-07-30 |
1989-05-23 |
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Process and apparatus for calculation of the instantaneous speed of a tool
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1992-02-22 |
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Determination of drill bit rate of penetration from surface measurements
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1992-07-30 |
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Schlumberger Technology Corporation |
Pulsed nuclear magnetism tool for formation evaluation while drilling
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1992-07-30 |
1997-10-01 |
Schlumberger Limited |
Gepulster NMR-Gerät zur Formationsbewertung während des Bohrens
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1992-07-30 |
1997-05-13 |
Schlumberger Technology Corporation |
Pulsed nuclear magnetism tool for formation evaluation while drilling
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1992-08-06 |
1992-09-23 |
Schlumberger Services Petrol |
Determination of drill bit rate of penetration from surface measurements
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1995-10-12 |
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System and method for determining oil, water and gas saturations for low-field gradient NMR logging tools
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1996-12-30 |
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Method of and system for optimizing rate of penetration in drilling operations
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Numar Corporation |
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1998-01-16 |
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UNA HERRAMIENTA DE RESONANCIA MAGNETICA NUCLEAR (RMN) PARA CONDUCIR MEDICIONES DE UNA FORMACION DE TIERRA QUE RODEA UN POZO DE SONDEO, UN METODO PARA EFECTUAR DICHAS MEDICIONES MIENTRAS SE EFECTUA EL TALADRO Y UNA DISPOSICIoN PARA HACER MEDICIONES DE RMN.
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Eccentric NMR well logging apparatus and method
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Method of and system for increasing drilling efficiency
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System and method for geologically-enhanced magnetic resonance imaging logs
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2000-04-17 |
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Method of and system for optimizing rate of penetration based upon control variable correlation
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2001-06-14 |
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Systems and methods for determining motion tool parameters in borehole logging
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2001-06-14 |
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Use of axial accelerometer for estimation of instantaneous ROP downhole for LWD and wireline applications
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Systems and methods for deep-looking NMR logging
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System and methods for t1-based logging
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2016-05-13 |
2020-03-17 |
Pason Systems Corp. |
Method, system, and medium for controlling rate of penetration of a drill bit
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Method, system, and medium for controlling rate of penetration of a drill bit
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2019-06-30 |
2024-03-05 |
Halliburton Energy Services, Inc. |
Integrated collar sensor for measuring health of a downhole tool
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