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Class Information
Number: 166/192
Name: Wells > Packers or plugs > Flow stopping type; e.g., plug
Description: Devices comprising means for blocking the flow of fluid either up or down or both in a surrounding well conduit by completely filling the bore of the conduit.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7395856 |
Disappearing plug |
Jul. 8, 2008 |
| 7383878 |
Multi-part plunger |
Jun. 10, 2008 |
| 7350578 |
Diverter plugs for use in well bores and associated methods of use |
Apr. 1, 2008 |
| 7341111 |
Expandable bridge plug and setting assembly |
Mar. 11, 2008 |
| 7325620 |
Recoverable, reinforced and vibration-damping plug used for cased wells |
Feb. 5, 2008 |
| 7290603 |
Downhole plug |
Nov. 6, 2007 |
| 7290617 |
Running a completion assembly without killing a well |
Nov. 6, 2007 |
| 7290609 |
Subterranean well secondary plugging tool for repair of a first plug |
Nov. 6, 2007 |
| 7273110 |
Sealing element for pipes and methods for using |
Sep. 25, 2007 |
| 7243730 |
Well production optimizing system |
Jul. 17, 2007 |
| 7210535 |
Isolation system comprising a plug and a circulation valve and method of use |
May. 1, 2007 |
| 7168494 |
Dissolvable downhole tools |
Jan. 30, 2007 |
| 7143831 |
Apparatus for releasing a ball into a wellbore |
Dec. 5, 2006 |
| 7124816 |
Liquid separation device |
Oct. 24, 2006 |
| 7111677 |
Sand control for blanking plug and method of use |
Sep. 26, 2006 |
| 7104323 |
Spiral tubular tool and method |
Sep. 12, 2006 |
| 7096949 |
Wiper plug with packer |
Aug. 29, 2006 |
| 7077195 |
Borehole closure |
Jul. 18, 2006 |
| 6966373 |
Inflatable sealing assembly and method for sealing off an inside of a flow carrier |
Nov. 22, 2005 |
| 6953093 |
Communication tool for accessing a non annular hydraulic chamber of a subsurface safety valve |
Oct. 11, 2005 |
| 6918439 |
Backpressure adaptor pin and methods of use |
Jul. 19, 2005 |
| 6896063 |
Methods of using downhole polymer plug |
May. 24, 2005 |
| 6880641 |
Subsurface safety valve and method for communicating hydraulic fluid therethrough |
Apr. 19, 2005 |
| 6848511 |
Plug and ball seat assembly |
Feb. 1, 2005 |
| 6834719 |
Drillpipe sub |
Dec. 28, 2004 |
| 6814144 |
Well treating process and system |
Nov. 9, 2004 |
| 6742585 |
Sealing off openings through the wall of a well tubular |
Jun. 1, 2004 |
| 6742595 |
Subsurface safety valve lock out and communication tool and method for use of the same |
Jun. 1, 2004 |
| 6715543 |
Particulate matter plug for plugging a well |
Apr. 6, 2004 |
| 6695051 |
Expandable retaining shoe |
Feb. 24, 2004 |
| 6675894 |
Metal to metal seal for use in well plugging applications, and associated methods |
Jan. 13, 2004 |
| 6659185 |
Subsurface safety valve lock out and communication tool and method for use of the same |
Dec. 9, 2003 |
| 6634430 |
Method for installation of evacuated tubular conduits |
Oct. 21, 2003 |
| 6619387 |
Inflatable gas bag for use as a borehole plug |
Sep. 16, 2003 |
| 6581681 |
Bridge plug for use in a wellbore |
Jun. 24, 2003 |
| 6554068 |
Method of downhole fluid separation and displacement and a plug utilized therein |
Apr. 29, 2003 |
| 6547009 |
Low profile static wellhead plug |
Apr. 15, 2003 |
| 6540019 |
Intelligent thru tubing bridge plug with downhole instrumentation |
Apr. 1, 2003 |
| 6523614 |
Subsurface safety valve lock out and communication tool and method for use of the same |
Feb. 25, 2003 |
| 6481502 |
Borehole closure plug |
Nov. 19, 2002 |
| 6478088 |
Method for the formation of a plug in a petroleum well |
Nov. 12, 2002 |
| 6474414 |
Plug for tubulars |
Nov. 5, 2002 |
| 6431276 |
Remote actuated plug apparatus |
Aug. 13, 2002 |
| 6334488 |
Tubing plug |
Jan. 1, 2002 |
| 6220350 |
High strength water soluble plug |
Apr. 24, 2001 |
| 6206094 |
Launching tool for objects downhole |
Mar. 27, 2001 |
| 6196311 |
Universal cementing plug |
Mar. 6, 2001 |
| 6131656 |
Bridge plug for a well bore |
Oct. 17, 2000 |
| 6119783 |
Linear indexing apparatus and methods of using same |
Sep. 19, 2000 |
| 6095245 |
Well perforating and packing apparatus and method |
Aug. 1, 2000 |
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