Issued Patents All Time
Showing 151–174 of 174 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6281489 | Monitoring of downhole parameters and tools utilizing fiber optics | Paulo Tubel, Glynn Williams, John W. Harrell, Jeffrey J. Lembcke, Kurt A. Hickey +1 more | 2001-08-28 |
| 6279658 | Method of forming and servicing wellbores from a main wellbore | Joseph F. Donovan, Roger P. Herbert, Christopher L. Gann | 2001-08-28 |
| 6268911 | Monitoring of downhole parameters and tools utilizing fiber optics | Paulo Tubel, Brian Bidigare, John W. Harrell, Benn Voll | 2001-07-31 |
| 6167965 | Electrical submersible pump and methods for enhanced utilization of electrical submersible pumps in the completion and production of wellbores | John L. Bearden, John W. Harrell, Jerald R. Rider, Gordon Besser, Paulo Tubel +5 more | 2001-01-02 |
| 6112817 | Flow control apparatus and methods | Benn Voll, John W. Harrell | 2000-09-05 |
| 6006844 | Method and apparatus for simultaneous coring and formation evaluation | Luc Van Puymbroeck, John W. Harrell, Pierre E. Collee | 1999-12-28 |
| 5996690 | Apparatus for controlling and monitoring a downhole oil/water separator | Christopher K. Shaw, Wallace W. F. Leung | 1999-12-07 |
| 5868210 | Multi-lateral wellbore systems and methods for forming same | Joseph F. Donovan, Daniel J. Turick | 1999-02-09 |
| 5842528 | Method of drilling and completing wells | Daniel J. Turick | 1998-12-01 |
| 5829520 | Method and apparatus for testing, completion and/or maintaining wellbores using a sensor device | — | 1998-11-03 |
| 5762149 | Method and apparatus for well bore construction | Joseph F. Donovan, Daniel J. Turick, Larry Watkins, Wallace W. F. Leung | 1998-06-09 |
| 5667023 | Method and apparatus for drilling and completing wells | John W. Harrell, Daniel J. Turick, Larry Watkins | 1997-09-16 |
| 5662170 | Method of drilling and completing wells | Joseph F. Donovan, Daniel J. Turick | 1997-09-02 |
| 5623993 | Method and apparatus for sealing and transfering force in a wellbore | Richard G. Van Buskirk, Michael J. Loughlin, Rustom K. Mody, Albert Augustus Mullins | 1997-04-29 |
| 5504062 | Fluid system for controlling fluid losses during hydrocarbon recovery operations | — | 1996-04-02 |
| 5415232 | Method and apparatus for ramping of stimulation chemical concentrations for treatment of subterranean formations | Bennett M. Richard | 1995-05-16 |
| 5366009 | Gravel pack well completions with auger-liner | Holley M. Cornette | 1994-11-22 |
| 5325921 | Method of propagating a hydraulic fracture using fluid loss control particulates | Hang T. Nguyen, Lewis B. Ledlow | 1994-07-05 |
| 5318128 | Method and apparatus for cleaning wellbore perforations | Bennett M. Richard | 1994-06-07 |
| 5261486 | Method and apparatus for gravel pack well completions | Holley M. Cornette, Robert K. Bethel | 1993-11-16 |
| 5228524 | Fluid system for controlling fluid losses during hydrocarbon recovery operations | Kelvin Smejkal | 1993-07-20 |
| 5213414 | Mixing apparatus | Bennett M. Richard | 1993-05-25 |
| 5036920 | Gravel pack well completion with auger-screen | Holley M. Cornette, Bennett M. Richard | 1991-08-06 |
| 4944347 | Method and apparatus for direct high velocity preparation of completion/workover systems | Bennett M. Richard | 1990-07-31 |