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Class Information
Number: 166/177.7
Name: Wells > Agitator
Description: Apparatus comprising means for generating irregular, quick, or violent action for cleaning or stimulating flow in a well.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7455113 |
Downhole impeller device |
Nov. 25, 2008 |
| 7314083 |
Slow rotation fluid jetting tool for cleaning a well bore |
Jan. 1, 2008 |
| 7296627 |
Method for simultaneous removal of asphaltene, and/or paraffin and scale from producing oil wells |
Nov. 20, 2007 |
| 7293608 |
Liquid well stimulator |
Nov. 13, 2007 |
| 7086470 |
System and method for wellbore clearing |
Aug. 8, 2006 |
| 7063141 |
Apparatus for agitated fluid discharge |
Jun. 20, 2006 |
| 7011158 |
Method and apparatus for well bore cleaning |
Mar. 14, 2006 |
| 6959760 |
Downhole pulser |
Nov. 1, 2005 |
| 6877566 |
Method and apparatus for causing pressure variations in a wellbore |
Apr. 12, 2005 |
| 6863125 |
Device for flow and liftgas production of oil-wells (versions) |
Mar. 8, 2005 |
| 6705396 |
Method and apparatus for producing fluid cavitation |
Mar. 16, 2004 |
| 6619394 |
Method and apparatus for treating a wellbore with vibratory waves to remove particles therefrom |
Sep. 16, 2003 |
| 6533035 |
Method and apparatus for stimulating well production |
Mar. 18, 2003 |
| 6527050 |
Method and apparatus for formation damage removal |
Mar. 4, 2003 |
| 6260628 |
Use of static mixing element in connection with flow of gas and liquids through a production tubing |
Jul. 17, 2001 |
| 6250386 |
Process for stimulation of oil wells |
Jun. 26, 2001 |
| 6230802 |
Method and apparatus for gravel packing a well |
May. 15, 2001 |
| 6116338 |
Inducer for increasing centrifugal pump efficiency in wells producing high viscosity crude oil |
Sep. 12, 2000 |
| 5285847 |
Water and ground water monitoring well surge block |
Feb. 15, 1994 |
| 5209293 |
Apparatus for fluidizing formation fines entrained in formation fluids entering a production well penetrating an oil-bearing formation |
May. 11, 1993 |
| 5190114 |
Flow pulsing apparatus for drill string |
Mar. 2, 1993 |
| 5009272 |
Flow pulsing method and apparatus for drill string |
Apr. 23, 1991 |
| 4964464 |
Anti-sand bridge tool and method for dislodging sand bridges |
Oct. 23, 1990 |
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