Nahm; James J. W.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Nahm; James J. W..The latest application filed is for "water-base mud conversion for high tempratice cementing".
- Nahm; James J. W. - Houston TX
| Patent | Date |
|---|---|
| Water-base mud conversion for high tempratice cementing Grant 5,515,921 - Cowan , et al. May 14, 1 | 1996-05-14 |
| Alumina wellbore cement composition Grant 5,488,991 - Cowan , et al. February 6, 1 | 1996-02-06 |
| Conversion of oil-base mud to oil mud-cement Grant 5,476,144 - Nahm , et al. December 19, 1 | 1995-12-19 |
| Universal fluids for drilling and cementing wells Grant 5,464,060 - Hale , et al. November 7, 1 | 1995-11-07 |
| Anti gas-migration cementing Grant 5,370,181 - Nahm , et al. December 6, 1 | 1994-12-06 |
| Conversion of emulsion mud to cement Grant 5,358,049 - Hale , et al. October 25, 1 | 1994-10-25 |
| Slag-cement displacement by direct fluid contact Grant 5,351,759 - Nahm , et al. October 4, 1 | 1994-10-04 |
| Cementing with blast furnace slag using spacer Grant 5,333,690 - Nahm , et al. August 2, 1 | 1994-08-02 |
| Oil mud displacement with blast furnace slag/surfactant Grant 5,330,006 - Nahm , et al. July 19, 1 | 1994-07-19 |
| Blast furnace slag spacer Grant 5,316,083 - Nahm , et al. May 31, 1 | 1994-05-31 |
| Directional drilling plug Grant 5,314,031 - Hale , et al. May 24, 1 | 1994-05-24 |
| Dilution of drilling fluid in forming cement slurries Grant 5,314,022 - Cowan , et al. May 24, 1 | 1994-05-24 |
| Well fluid for in-situ borehole repair Grant 5,309,997 - Nahm , et al. May 10, 1 | 1994-05-10 |
| Cement slurry composition and method to cement wellbore casings in salt formations Grant 5,309,999 - Cowan , et al. May 10, 1 | 1994-05-10 |
| Method to cement a wellbore in the presence of carbon dioxide Grant 5,307,876 - Cowan , et al. May 3, 1 | 1994-05-03 |
| Blast furnace slag transition fluid Grant 5,305,831 - Nahm April 26, 1 | 1994-04-26 |
| High temperature wellbore cement slurry Grant 5,226,961 - Nahm , et al. July 13, 1 | 1993-07-13 |
| Method for conversion of oil-base mud to oil mud-cement Grant 5,213,160 - Nahm , et al. May 25, 1 | 1993-05-25 |
uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.
While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.
All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.
| 