Issued Patents All Time
Showing 26–50 of 117 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8749242 | System and method for employing alternating regions of magnetic and non-magnetic casing in magnetic ranging applications | — | 2014-06-10 |
| 8708064 | System and method to control steering and additional functionality in a rotary steerable system | Geoffrey C. Downton | 2014-04-29 |
| 8695730 | System and method for drilling multilateral wells using magnetic ranging while drilling | Jan S. Morley | 2014-04-15 |
| 8684107 | System and method for densely packing wells using magnetic ranging while drilling | — | 2014-04-01 |
| 8672056 | System and method for controlling steering in a rotary steerable system | Geoffrey C. Downton | 2014-03-18 |
| 8629782 | System and method for using dual telemetry | Qiming Li, Desheng Zhang, Yi Zhang, Lili Zhong, Tang Xueyan | 2014-01-14 |
| 8596382 | Magnetic ranging while drilling using an electric dipole source and a magnetic field sensor | Jaideva C. Goswami | 2013-12-03 |
| 8502696 | Dual wellbore telemetry system and method | — | 2013-08-06 |
| 8469084 | Wireless transfer of power and data between a mother wellbore and a lateral wellbore | Thomas H. Zimmerman, Kuo-Chiang Chen, Emmanuel Rioufol, John Algeroy, Patrick A. McKinley | 2013-06-25 |
| 8462012 | Anti-collision method for drilling wells | Wayne J. Phillips, Benny Poedjono | 2013-06-11 |
| 8376067 | System and method employing a rotational valve to control steering in a rotary steerable system | Geoffrey C. Downton | 2013-02-19 |
| 8307913 | Drilling system with drill string valves | Lee Dolman, Benjamin Peter Jeffryes, Ashley Bernard Johnson, John McCullagh | 2012-11-13 |
| 8307915 | System and method for drilling multilateral wells using magnetic ranging while drilling | Jan S. Morley | 2012-11-13 |
| 8289024 | Method and apparatus for locating well casings from an adjacent wellbore | Christophe Dupuis, Gerald N. Minerbo | 2012-10-16 |
| 8262909 | Methods and devices for minimizing membrane fouling for microfluidic separators | Dan Angelescu, Philippe Salamitou, Joyce Wong, Bhavani Raghuraman, Christopher Harrison +3 more | 2012-09-11 |
| 8141631 | Deployment of underground sensors in casing | Christian Chouzenoux, Yves Manin, Bruno Drochon | 2012-03-27 |
| 8111171 | Wellbore telemetry and noise cancellation systems and methods for the same | — | 2012-02-07 |
| 8063641 | Magnetic ranging and controlled earth borehole drilling | Jan S. Morley | 2011-11-22 |
| 8031081 | Wireless telemetry between wellbore tools | Attilio Pisoni, David L. Smith, Jean Seydoux, Vassilis Varveropoulos | 2011-10-04 |
| 8022983 | Borehole imaging system for conductive and resistive drilling fluids | Reza Taherian, Ruben Martinez | 2011-09-20 |
| 8004421 | Wellbore telemetry and noise cancellation systems and method for the same | — | 2011-08-23 |
| 7962287 | Method and apparatus for optimizing magnetic signals and detecting casing and resistivity | — | 2011-06-14 |
| 7913773 | Bidirectional drill string telemetry for measuring and drilling control | Qiming Li, Shyam B. Mehta, Remi Hutin, Christopher Paul Reed, David Santoso +5 more | 2011-03-29 |
| 7909096 | Method and apparatus of reservoir stimulation while running casing | J. Ernest Brown, Marc Thiercelin, Arkady Segal, Ian Bryant, Matthew J. Miller +1 more | 2011-03-22 |
| 7859426 | Electromagnetic wellbore telemetry system for tubular strings | Nobuyoshi Niina | 2010-12-28 |