Issued Patents All Time
Showing 51–67 of 67 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5938925 | Progressive gap sand control screen and process for manufacturing the same | Syed Hamid, Colby M. Ross | 1999-08-17 |
| 5931232 | Mechanical connection between base pipe and screen and method for use of the same | James D. Hendrickson, Rex D. Presley | 1999-08-03 |
| 5884699 | Retrievable torque-through packer having high strength and reduced cross-sectional area | Bryon Mullen, Marion D. Kilgore | 1999-03-23 |
| 5857521 | Method of using a retrievable screen apparatus | Colby M. Ross, Jim Venditto | 1999-01-12 |
| 5842522 | Mechanical connection between base pipe and screen and method for use of the same | James D. Hendrickson, Rex D. Presley | 1998-12-01 |
| 5810084 | Gravel pack apparatus | — | 1998-09-22 |
| 5803179 | Screened well drainage pipe structure with sealed, variable length labyrinth inlet flow control apparatus | Syed Hamid, David Fish, Rex D. Presley, Timothy Edward Harms | 1998-09-08 |
| 5787985 | Proppant containment apparatus and methods of using same | Dean S. Oneal | 1998-08-04 |
| 5762137 | Retrievable screen apparatus and methods of using same | Colby M. Ross, Jim Venditto | 1998-06-09 |
| 5415441 | Push-on coupling apparatus for tubular well completion structures | Marion D. Kilgore, Colby M. Ross | 1995-05-16 |
| 5413180 | One trip backwash/sand control system with extendable washpipe isolation | Colby M. Ross, Henry L. Restarick, Phillip T. Thomas, Dhirajlal C. Patel | 1995-05-09 |
| 5404955 | Releasable running tool for setting well tool | Dhirajlal C. Patel, Tommy Frank Grigsby | 1995-04-11 |
| 5375662 | Hydraulic setting sleeve | Colby M. Ross, Phillip T. Thomas | 1994-12-27 |
| 5318117 | Non-rotatable, straight pull shearable packer plug | Colby M. Ross | 1994-06-07 |
| 5188182 | System containing expendible isolation valve with frangible sealing member, seat arrangement and method for use | Joseph L. Pearce, Daniel Luther Patterson | 1993-02-23 |
| 5103902 | Non-rotational versa-trieve packer | Colby M. Ross | 1992-04-14 |
| 4624310 | Well apparatus | Bhanubhai H. Patel, James B. Renfroe, Jr. | 1986-11-25 |