Issued Patents All Time
Showing 76–91 of 91 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6877561 | Gravel packing method using vibration and hydraulic fracturing | Chad Abadie, Donald C. Gossen, John Todd Broome, Kendall R. Dyson | 2005-04-12 |
| 6863131 | Expandable screen with auxiliary conduit | — | 2005-03-08 |
| 6848505 | Alternative method to cementing casing and liners | Michael A. Carmody, Matthew J. Jabs | 2005-02-01 |
| 6725939 | Expandable centralizer for downhole tubulars | — | 2004-04-27 |
| 6263972 | Coiled tubing screen and method of well completion | Benn Voll | 2001-07-24 |
| 5980745 | Wire mesh filter | Benn Voll, Allen D. Gabrysch | 1999-11-09 |
| 5849188 | Wire mesh filter | Benn Voll, Allen D. Gabrysch | 1998-12-15 |
| 5642781 | Multi-passage sand control screen | — | 1997-07-01 |
| 5624560 | Wire mesh filter including a protective jacket | Benn Voll, Allen D. Gabrysch | 1997-04-29 |
| 5611399 | Screen and method of manufacturing | Elmer R. Peterson, Brian J. Horton | 1997-03-18 |
| 5598890 | Completion assembly | Benn Voll | 1997-02-04 |
| 5415232 | Method and apparatus for ramping of stimulation chemical concentrations for treatment of subterranean formations | Michael H. Johnson | 1995-05-16 |
| 5318128 | Method and apparatus for cleaning wellbore perforations | Michael H. Johnson | 1994-06-07 |
| 5213414 | Mixing apparatus | Michael H. Johnson | 1993-05-25 |
| 5036920 | Gravel pack well completion with auger-screen | Holley M. Cornette, Michael H. Johnson | 1991-08-06 |
| 4944347 | Method and apparatus for direct high velocity preparation of completion/workover systems | Michael H. Johnson | 1990-07-31 |