| 10227830 |
Acoustic detection of drill pipe connections |
Jacques Orban |
2019-03-12 |
$24,873,000 |
| 10113414 |
Multiple magnetic sensor ranging method and system |
Jan S. Morley |
2018-10-30 |
$22,569,000 |
| 10100633 |
Magnetic detection of drill pipe connections |
Jacques Orban, William F. Puccio |
2018-10-16 |
$22,087,000 |
| 9989665 |
Wear resistant electrodes for downhole imaging |
Jacques Orban, Jonathan Marshall, Scott Richard Woolston, Daniel A. Hendricks, Neil Cannon |
2018-06-05 |
$76,185,000 |
| 9890629 |
Method and apparatus for optimizing magnetic signals and detecting casing and resistivity |
— |
2018-02-13 |
$62,514,000 |
| 9880311 |
Wear resistant electrodes for downhole imaging |
Jacques Orban, Jonathan Marshall, Scott Richard Woolston, Daniel A. Hendricks, Neil Cannon |
2018-01-30 |
$64,615,000 |
| 9835025 |
Downhole assembly employing wired drill pipe |
Christopher Paul Reed, Steven Hough, John Rasmus, David Kirk Conn |
2017-12-05 |
$21,417,000 |
| 9766362 |
System and method for using dual telemetry |
Qiming Li, Desheng Zhang, Yi Zhang, Lili Zhong, Xueyuan Tang |
2017-09-19 |
$61,596,000 |
| 9410408 |
Electrical heating of oil shale and heavy oil formations |
Robert L. Kleinberg, Nikita Seleznev |
2016-08-09 |
$58,026,000 |
| 9360581 |
Method for calibrating current and magnetic fields across a drill collar |
Mark Flaum, Jan S. Morley, Jaideva C. Goswami, Miguel F. Pabon |
2016-06-07 |
$45,837,000 |
| 9360580 |
Method and apparatus for directional well logging |
Jaideva C. Goswami, Betty Rong, Miguel F. Pabon, Jan S. Morley |
2016-06-07 |
$45,837,000 |
| 9291739 |
Systems and methods for well positioning using a transverse rotating magnetic source |
— |
2016-03-22 |
$57,873,000 |
| 9245683 |
Inductive coupler |
Tianxia Zhao, Raphael Gadot, Matthew Cannon |
2016-01-26 |
$70,621,000 |
| 9217289 |
Casing drilling bottom hole assembly having wireless power and data connection |
Keith Moriarty, Raphael Gadot |
2015-12-22 |
$37,365,000 |
| 9217299 |
Drilling bottom hole assembly having wireless power and data connection |
Keith Moriarty, Raphael Gadot |
2015-12-22 |
$37,365,000 |
| 9217323 |
Mechanical caliper system for a logging while drilling (LWD) borehole caliper |
— |
2015-12-22 |
$37,365,000 |
| 9206644 |
Positive displacement motor (PDM) rotary steerable system (RSS) and apparatus |
Keith Moriarty, Raphael Gadot |
2015-12-08 |
$91,861,000 |
| 9109403 |
Drill bit assembly having electrically isolated gap joint for electromagnetic telemetry |
Derek W. Logan, Garry Holmen, Tony Dopf, Aaron W. Logan, Rob Utter +1 more |
2015-08-18 |
$56,520,000 |
| 9046343 |
Systems and methods for well positioning using phase relations between transverse magnetic field components of a transverse rotating magnetic source |
— |
2015-06-02 |
$98,420,000 |
| 9022144 |
Drill bit assembly having electrically isolated gap joint for measurement of reservoir properties |
Reza Taherian, Derek W. Logan, Garry Holmen, Anthony R. Dopf, Aaron W. Logan +1 more |
2015-05-05 |
$57,373,000 |
| 8995224 |
Real-time velocity and pore-pressure prediction ahead of drill bit |
Cengiz Esmersoy |
2015-03-31 |
$48,636,000 |
| 8978782 |
System, apparatus, and method of conducting measurements of a borehole |
Ruben Martinez, Jan W. Smits, Reza Taherian |
2015-03-17 |
$99,329,000 |
| 8860582 |
Wellbore telemetry and noise cancellation systems and methods for the same |
— |
2014-10-14 |
$23,238,000 |
| 8842020 |
System and method for detecting casing in a formation using current |
Jan S. Morley |
2014-09-23 |
$59,556,000 |
| 8827005 |
Method for drilling wells in close relationship using magnetic ranging while drilling |
Jan S. Morley |
2014-09-09 |
$46,909,000 |
