Terry; Dralen T.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Terry; Dralen T..The latest application filed is for "cementitious well drilling fluids and methods".
- Terry; Dralen T. - Duncan OK
- Terry; Dralen T. - Lawton OK
| Patent | Date |
|---|---|
| Cementitious well drilling fluids and methods Grant 5,711,383 - Terry , et al. January 27, 1 | 1998-01-27 |
| Utilizing drilling fluid in well cementing operations Grant 5,398,758 - Onan , et al. * March 21, 1 | 1995-03-21 |
| Fly ash cementing compositions and methods Grant 5,383,521 - Onan , et al. January 24, 1 | 1995-01-24 |
| Utilizing drilling fluid in well cementing operations Grant 5,355,954 - Onan , et al. October 18, 1 | 1994-10-18 |
| Set-activated cementitious compositions and methods Grant 5,332,041 - Onan , et al. July 26, 1 | 1994-07-26 |
| Utilizing drilling fluid in well cementing operations Grant 5,327,968 - Onan , et al. July 12, 1 | 1994-07-12 |
| Converting drilling fluids to cementitious compositions Grant 5,295,543 - Terry , et al. March 22, 1 | 1994-03-22 |
| Preparation and use of gelable silicate solutions in oil field applications Grant 5,168,928 - Terry , et al. December 8, 1 | 1992-12-08 |
| Set retarded cement compositions and methods for well cementing Grant 5,049,288 - Brothers , et al. September 17, 1 | 1991-09-17 |
| Set retarded cement compositions and methods for well cementing Grant 4,941,536 - Brothers , et al. July 17, 1 | 1990-07-17 |
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