Chen; Chen-Kang D.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Chen; Chen-Kang D..The latest application filed is for "steerable drilling system and method".
- Chen; Chen-Kang D. - Houston TX
| Patent | Date |
|---|---|
| Steerable drilling system and method Grant 7,621,343 - Chen , et al. November 24, 2 | 2009-11-24 |
| Drilling with casing Grant 7,334,649 - Chen , et al. February 26, 2 | 2008-02-26 |
| Expanded liner system and method Grant 7,213,643 - Chen , et al. May 8, 2 | 2007-05-08 |
| Steerable drilling system and method Grant 7,147,066 - Chen , et al. December 12, 2 | 2006-12-12 |
| Steerable drilling system and method App 20060266555 - Chen; Chen-Kang D. ; et al. | 2006-11-30 |
| Drilling with casing App 20050236187 - Chen, Chen-Kang D. ; et al. | 2005-10-27 |
| Drilling with casing Grant 6,877,570 - Chen , et al. April 12, 2 | 2005-04-12 |
| Steerable underreaming bottom hole assembly and method Grant 6,848,518 - Chen , et al. February 1, 2 | 2005-02-01 |
| Expanded liner system and method App 20040211570 - Chen, Chen-Kang D. ; et al. | 2004-10-28 |
| Drilling with casing App 20040112639 - Chen, Chen-Kang D. ; et al. | 2004-06-17 |
| Steerable underreaming bottom hole assembly and method App 20040099444 - Chen, Chen-Kang D. ; et al. | 2004-05-27 |
| Steerable drilling system and method Grant 6,581,699 - Chen , et al. June 24, 2 | 2003-06-24 |
| Steerable drilling system and method App 20030010534 - Chen, Chen-Kang D. ; et al. | 2003-01-16 |
| Steerable underreaming bottom hole assembly and method Grant 6,470,977 - Chen , et al. October 29, 2 | 2002-10-29 |
| Steerable drilling system and method Grant 6,269,892 - Boulton , et al. August 7, 2 | 2001-08-07 |
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