Patents in subclass Pumps/Aerated Column
Parent class: Pumps
| Number | Patent title | Issue Date |
|---|---|---|
| 07086417 | Gas flow control device Invention is of an improvement to seat of gate valves used for gas-lift producing oil wells, consisting of a seat lower part of which is curved there being a straight vertical art and a sloping straight lower part, central spacing... |
08/08/2006 |
| 06780335 | Liquid separation and extraction A process for the separation and extraction of liquid from a multi-component fluid within a conduit in which said liquid tends to settle, said process comprising introduction of a coil tubing into a predetermined settlement region within... |
08/24/2004 |
| 06638024 | Hydraulic air compressor system--employing a body of fluid to provide compression A gas compression system including a body of fluid and a down pipe. A first end of the down pipe is positioned to receive a fluid from a source above a surface of the body of fluid and a second end is positioned at a lower level of the... |
10/28/2003 |
| 06357530 | System and method of utilizing an electric submergible pumping system in the production of high gas to liquid ratio fluids A system for producing production fluids from a wellbore while removing gas that collects in pockets within the wellbore. The system includes an electric submergible pumping unit. The unit includes a submergible pump powered by a... |
03/19/2002 |
| 06224342 | Conduit pump system to increase water flow capacity An apparatus for increasing the flow of liquid in a conduit provides a barrier positioned in the conduit to prevent flow of liquid past the barrier in a lower region and defining a gap region above that lower region and adjacent the... |
05/01/2001 |
| 5743717 | Nozzle-venturi gas lift flow control device A gas flow control device for injecting gas into a production string for recovering pressure and reducing frictional losses, so that critical flow can be reached at lower pressure drops and higher production pressure, includes a nozzle... |
04/28/1998 |
| 5707214 | Nozzle-venturi gas lift flow control device and method for improving production rate, lift efficiency, and stability of gas lift wells A gas flow control device for injecting gas into a production string for recovering pressure and reducing frictional losses, so that critical flow can be reached at lower pressure drops and higher production pressure, includes a nozzle... |
01/13/1998 |