| |
 |
|
Class Information
Number: 166/110
Name: Wells > With eduction pump or plunger > Receptacles > Lateral port always below piston and used in well
Description: Devices in which there is an opening through the side wall of the container below the lowest position of the pump or plunger piston providing for fluid flow through the opening while the container is in the well.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 8328539 |
Submersible pump motor protector |
Dec. 11, 2012 |
| 7980314 |
Gas restrictor for pump |
Jul. 19, 2011 |
| 7793728 |
Gas lift plunger arrangement |
Sep. 14, 2010 |
| 7438125 |
Variable orifice bypass plunger |
Oct. 21, 2008 |
| 7314081 |
Pumping from two levels of a pool of production fluid, and one way valve therefore |
Jan. 1, 2008 |
| 6907926 |
Open well plunger-actuated gas lift valve and method of use |
Jun. 21, 2005 |
| 6725916 |
Plunger with flow passage and improved stopper |
Apr. 27, 2004 |
| 6145590 |
Device for removing sand from pump plungers |
Nov. 14, 2000 |
| 6116341 |
Water injection pressurizer |
Sep. 12, 2000 |
| 5899270 |
Side intake valve assembly |
May. 4, 1999 |
| 5823265 |
Well completion system with well control valve |
Oct. 20, 1998 |
| 5797452 |
Double-acting, deep-well fluid extraction pump |
Aug. 25, 1998 |
| 4924940 |
Downhole cleanout tool |
May. 15, 1990 |
| 4721156 |
Well clean out apparatus |
Jan. 26, 1988 |
| 4291763 |
Dispenser for oil well treating chemicals |
Sep. 29, 1981 |
|
|
|
