E21B 7/068
Drilled by a down-hole drilling motor
Official title: {drilled by a down-hole drilling motor (down-hole drives per se E21B4/00, E21B7/067 takes precedence)}
E21B7/068 (Drilled by a down-hole drilling motor) appears on 653 US grants and 461 published applications in this corpus.
Search patents in E21B- Granted patents
- 653
- Published applications
- 461
- Assignees
- 206
- Inventors
- 972
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 4 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 5 | 0 |
| 1985 | 4 | 0 |
| 1986 | 7 | 0 |
| 1987 | 8 | 0 |
| 1988 | 5 | 0 |
| 1989 | 16 | 0 |
| 1990 | 10 | 0 |
| 1991 | 15 | 0 |
| 1992 | 17 | 0 |
| 1993 | 17 | 0 |
| 1994 | 15 | 0 |
| 1995 | 11 | 0 |
| 1996 | 12 | 0 |
| 1997 | 11 | 0 |
| 1998 | 9 | 0 |
| 1999 | 7 | 0 |
| 2000 | 14 | 0 |
| 2001 | 16 | 8 |
| 2002 | 19 | 12 |
| 2003 | 17 | 16 |
| 2004 | 9 | 22 |
| 2005 | 14 | 15 |
| 2006 | 14 | 9 |
| 2007 | 19 | 9 |
| 2008 | 8 | 8 |
| 2009 | 7 | 25 |
| 2010 | 9 | 18 |
| 2011 | 10 | 16 |
| 2012 | 13 | 12 |
| 2013 | 12 | 19 |
| 2014 | 12 | 22 |
| 2015 | 16 | 19 |
| 2016 | 24 | 31 |
| 2017 | 25 | 29 |
| 2018 | 21 | 18 |
| 2019 | 30 | 32 |
| 2020 | 27 | 28 |
| 2021 | 29 | 27 |
| 2022 | 26 | 19 |
| 2023 | 24 | 15 |
| 2024 | 22 | 17 |
| 2025 | 13 | 8 |
| 2026 | 11 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Composite umbilical for pulse power boring system25 Aug 2026US 12,716,297 B2Halliburton Energy Services.Inc.
- Motor angular position control25 Aug 2026US 12,719,392 B2Schlumberger Technology Corporation
- Drilling parameter derivation workflow for autonomous directional drilling18 Aug 2026US 12,709,973 B1Schlumberger Technology Corporation
- Approaches to directional drilling4 Aug 2026US 12,698,701 B2Schlumberger Technology Corporation
- Mitigating torsional drill string oscillations21 Jul 2026US 12,687,100 B2Schlumberger Technology Corporation
- Systems and methods for automated coiled tubing drilling operations17 Sep 2026US 2026/0275854 A1Schlumberger Technology Corporation
- Composite umbilical for pulse power boring system16 Jul 2026US 2026/0201753 A1Halliburton Energy Services.Inc.
- Continuous rotation coiled tubing orienting tool with active hydraulic control14 May 2026US 2026/0132682 A1Schlumberger Technology Corporation
- Continuous rotation coiled tubing orienting tool with self-reversing threads14 May 2026US 2026/0132684 A1Schlumberger Technology Corporation
- Continuous rotation coiled tubing orienting tool with passive hydraulic control14 May 2026US 2026/0132685 A1Schlumberger Technology Corporation
Most cited
By later US patents
- Downhole combination tool358US 5,064,006 AMagrange, Inc · 1991
- Actively controlled rotary steerable system and method for drilling wells344US 6,092,610 ASchlumberger Technology Corporation · 2000
- Drilling system utilizing downhole dysfunctions for determining corrective actions and simulating drilling conditions291US 6,021,377 ABaker Hughes Incorporated · 2000
- Drilling system with downhole apparatus for determining parameters of interest and for adjusting drilling direction in response thereto284US 5,812,068 ABaker Hughes Incorporated · 1998
- Method and apparatus for automatic closed loop drilling system281US 5,332,048 AHalliburton Company · 1994