Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8113274 | Electric submersible pumping system with gas vent | Patricia A. Kallas | 2012-02-14 |
| 7673676 | Electric submersible pumping system with gas vent | Patricia A. Kallas | 2010-03-09 |
| 7231978 | Chemical injection well completion apparatus and method | Jose Ernesto Jaua, Hendry Lopez | 2007-06-19 |
| 6704689 | Complexity index methodology for the analysis of run life performance | James Hogan | 2004-03-09 |
| 6533039 | Well completion method and apparatus with cable inside a tubing and gas venting through the tubing | John Pursell | 2003-03-18 |
| 6299672 | Subsurface integrated production systems | — | 2001-10-09 |
| 6260627 | System and method for improving fluid dynamics of fluid produced from a well | — | 2001-07-17 |
| 6260626 | Method and apparatus for completing an oil and gas well | — | 2001-07-17 |
| 6250390 | Dual electric submergible pumping systems for producing fluids from separate reservoirs | Diego Narvaez, Robert P. Fielder, III, Kevin T. Scarsdale | 2001-06-26 |
| 6230810 | Method and apparatus for producing wellbore fluids from a plurality of wells | — | 2001-05-15 |
| 6201327 | System and method for absorbing the expansion and contraction of internal fluids of a sumergible electric motor | — | 2001-03-13 |
| 6135210 | Well completion system employing multiple fluid flow paths | — | 2000-10-24 |
| 5309998 | Pumping system including flow directing shoe | Jose L. Sandoval | 1994-05-10 |
| 5129689 | Threaded tubular connection with outer threaded ring | Milagro Newski, Alejandro Newski | 1992-07-14 |
| 4976591 | Self lubricating, two stage variable compressor | Alejandro Newski, Simon Antunez | 1990-12-11 |
| 4913230 | Sucker rod centralizer | Alejandro Newski | 1990-04-03 |
| 4877542 | Thermal insulating fluid | Jesus R. Lon, Geza N. Zirczy | 1989-10-31 |
| 4871020 | Sucker rod centralizer | Alejandro Newski | 1989-10-03 |
| 4793412 | Centralizer for a polished bar and/or a substance pump piston stem | Alejandro Newski | 1988-12-27 |
| 4750865 | Subsurface stuffing box assembly | Alejandro Newski | 1988-06-14 |
| 4682655 | Slotted housing having multiple seats for supporting and locating submersible pumps in deep wells | — | 1987-07-28 |