Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6006836 | Methods of sealing plugs in well bores | Jiten Chatterji, David D. Onan, Roger S. Cromwell, Bobby J. King | 1999-12-28 |
| 5969006 | Remedial well bore sealing methods | David D. Onan, Jiten Chatterji, Bobby J. King, Roger S. Cromwell | 1999-10-19 |
| 5911282 | Well drilling fluids containing epoxy sealants and methods | David D. Onan, Jiten Chatterji, Bobby J. King, Roger S. Cromwell | 1999-06-15 |
| 5909774 | Synthetic oil-water emulsion drill-in fluid cleanup methods | James E. Griffith, Jiten Chatterji, Bobby J. King, Bryan K. Waugh | 1999-06-08 |
| 5875844 | Methods of sealing pipe strings in well bores | Jiten Chatterji, David D. Onan, Roger S. Cromwell, Bobby J. King | 1999-03-02 |
| 5875846 | Methods of modifying subterranean strata properties | Jiten Chatterji, David D. Onan, Roger S. Cromwell, Bobby J. King | 1999-03-02 |
| 5873413 | Methods of modifying subterranean strata properties | Jiten Chatterji, David D. Onan, Roger S. Cromwell, Bobby J. King | 1999-02-23 |
| 5820670 | Resilient well cement compositions and methods | Jiten Chatterji, Bobby J. King, David D. Onan | 1998-10-13 |