Issued Patents 2011
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8082998 | Apparatus and method for controlling the connection and disconnection speed of downhole connectors | — | 2011-12-27 |
| 8079419 | Apparatus and method for controlling the connection and disconnection speed of downhole connectors | — | 2011-12-20 |
| 8074719 | Flow control in a well bore | — | 2011-12-13 |
| 7909095 | Valve device and associated methods of selectively communicating between an interior and an exterior of a tubular string | William David Henderson | 2011-03-22 |
| 7866383 | Sand control screen assembly and method for use of same | Ronald Glen Dusterhoft, Kim Vance Thornton, Carl Bismark Ferguson, Tommy Frank Grigsby, Floyd R. Simonds | 2011-01-11 |
| 7866405 | Securement of lines to well sand control screens | Tommy Frank Grigsby | 2011-01-11 |