| 12060763 |
Cementing apparatus for reverse cementing |
Ishwar Dilip Patil, Lonnie Carl Helms, Jinhua Cao, Frank Acosta, Mayur Narain Ahuja +1 more |
2024-08-13 |
| 11885197 |
External sleeve cementer |
Ishwar Dilip Patil, Priyanshkumar Prashantkumar Desai, Lonnie Carl Helms, Frank Vinicia Acosta Villarreal |
2024-01-30 |
| 11746618 |
Cementing apparatus for reverse cementing |
Ishwar Dilip Patil, Lonnie Carl Helms, Jinhua Cao, Frank Acosta, Mayur Narain Ahuja +1 more |
2023-09-05 |
| 11499395 |
Flapper disk for buoyancy assisted casing equipment |
Rajesh Parameshwaraiah, Lonnie Carl Helms, Min Mark Yuan |
2022-11-15 |
| 11293253 |
Dual sub-surface release plug with bypass for small diameter liners |
Lonnie Carl Helms, Tor Sigve Saetre, Frank Vinicia Acosta, Thomas Zachary Vonk, Rajesh Parameshwaraiah |
2022-04-05 |
| 11274519 |
Reverse cementing tool |
Lonnie Carl Helms, Jinhua Cao |
2022-03-15 |
| 11242720 |
Threadless float equipment and method |
Min Mark Yuan, Stephen Yeldell, Frank Acosta, Rajesh Parameshwaraiah |
2022-02-08 |
| 11125051 |
High strength high temperature float equipment |
Paul Joseph Jones, Simon Turton |
2021-09-21 |