Issued Patents All Time
Showing 26–50 of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10465104 | Lime-based cement composition | Krishna M. Ravi, Sheetal Singh, Rahul Chandrakant Patil | 2019-11-05 |
| 10442975 | Cement compositions containing metaphosphate and methods of use | Rahul Chandrakant Patil, Sohini Bose, Ashok Santra, Balasundaram Balaraman | 2019-10-15 |
| 10344544 | Engineering methodology to treat severe loss zones with thixotropic cement system | Krishna M. Ravi, Rahul Chandrakant Patil, Siva Rama Krishna Jandhyala, Ravinder Gahlawat | 2019-07-09 |
| 10233378 | Methods and compositions for treating a subterranean formation with salt-tolerant cement slurries | Krishna M. Ravi, Rahul Chandrakant Patil, Sohini Bose, Abhimanyu Pramod Deshpande | 2019-03-19 |
| 10196553 | Aqueous suspensions of silica additives | Rahul Chandrakant Patil, Remitha Ak | 2019-02-05 |
| 10059870 | Acid-soluble cement composition | Trissa Joseph, Krishna M. Ravi, Rahul Chandrakant Patil | 2018-08-28 |
| 10060218 | Methods for formulating a cement slurry for use in a subterranean salt formation | Siva Rama Krishna Jandhyala, Krishna M. Ravi, Krishna Babu Yerubandi, Abhimanyu Pramod Deshpande, Yogesh Ramesh Barhate +1 more | 2018-08-28 |
| 9994757 | Methods and compositions for treating a subterranean formation with salt-tolerant cement slurries | Krishna M. Ravi, Rahul Chandrakant Patil, Sohini Bose, Abhimanyu Pramod Deshpande | 2018-06-12 |
| 9885223 | Methods for formulating a cement slurry for use in a subterranean salt formation | Siva Rama Krishna Jandhyala, Krishna M. Ravi, Krishna Babu Yerubandi, Abhimanyu Pramod Deshpande, Yogesh Ramesh Barhate +1 more | 2018-02-06 |
| 9796905 | Methods and compositions for treating a subterranean formation with salt-tolerant cement slurries | Krishna M. Ravi, Rahul Chandrakant Patil, Sohini Bose, Abhimanyu Pramod Deshpande | 2017-10-24 |
| 9796901 | Alkyl polyglycoside derivative as biodegradable spacer surfactant | Ramesh Muthusamy, Abhimanyu Pramod Deshpande, Rahul Patil | 2017-10-24 |
| 9738821 | Amphoteric polymer suspending agent for use in calcium aluminate cement compositions | Rahul Chandrakant Patil, Sheetal Singh | 2017-08-22 |
| 9487691 | Pozzolan for use in a cement composition having a low heat of hydration | Krishna M. Ravi, Rahul Chandrakant Patil, Trissa Joseph, Marcus Duffy | 2016-11-08 |
| 9422194 | Wide temperature range cement retarder | Tushar Sureshgiri Gosavi, Ramesh Muthusamy, Rahul Chandrakant Patil | 2016-08-23 |
| 9315713 | Amphoteric polymer suspending agent for use in calcium aluminate cement compositions | Rahul Chandrakant Patil, Sheetal Singh | 2016-04-19 |
| 9309153 | Wide temperature range cement retarder | Tushar Sureshgiri Gosavi, Ramesh Muthusamy, Rahul Chandrakant Patil | 2016-04-12 |
| 9284224 | Cement compositions and methods of using the same | Ramesh Muthusamy, Tushar Sureshgiri Gosavi, Rahul Chandrakant Patil, Ashok Santra, Kameswara Sri Sairam Pindiprolu | 2016-03-15 |
| 9233874 | Cement compositions with a high-density additive of silicon carbide or sintered bauxite | Rahul Chandrakant Patil, Keith Armstrong | 2016-01-12 |
| 9038722 | Cement compositions containing metphosphate and methods of use | Rahul Chandrakant Patil, Sohini Bose, Ashok Santra, Balasundaram Balaraman | 2015-05-26 |
| 9012379 | Alkyl polyglycoside derivative as biodegradable spacer surfactant | Ramesh Muthusamy, Abhimanyu Pramod Deshpande, Rahul Chandrakant Patil | 2015-04-21 |
| 8869895 | Biodegradable set retarder for a cement composition | Girish Dinkar Sarap, Dibyadarshani Senapati, Abhijit Tarafdar | 2014-10-28 |
| 8741818 | Lost circulation compositions and associated methods | Krishna M. Ravi, Rahul Chandrakant Patil, Sairam KS Pindiprolu, Craig W. Roddy, Ricky L. Covington +2 more | 2014-06-03 |
| 8728231 | Biodegradable set retarder for a cement composition | Girish Dinkar Sarap, Dibyadarshani Senapati, Abhijit Tarafdar | 2014-05-20 |
| 8685903 | Lost circulation compositions and associated methods | Krishna M. Ravi, Rahul Chandrakant Patil, Sairam KS Pindiprolu, Craig W. Roddy, Jiten Chatterji +2 more | 2014-04-01 |
| 8627888 | Settable compositions containing metakaolin having reduced portland cement content | Ashok Santra, Krishna M. Ravi, Crystal L. Keys, Benjamin John Iverson, Rahul Chandrakant Patil | 2014-01-14 |