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Class Information
Number: 166/63
Name: Wells > With explosive or gas generating means in well
Description: Devices comprising an explosive means or a means capable of generating gas, the means in each case being located in the well below ground level.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7428921 |
Well treatment system and method |
Sep. 30, 2008 |
| 7387162 |
Apparatus and method for selective actuation of downhole tools |
Jun. 17, 2008 |
| 7360596 |
Method and device for intensifying the permeability of ground layers close to bore holes and filter bodies and filter layers in wells and other production wells |
Apr. 22, 2008 |
| 7357180 |
Inhibiting effects of sloughing in wellbores |
Apr. 15, 2008 |
| 7350448 |
Perforating apparatus, firing assembly, and method |
Apr. 1, 2008 |
| 7325612 |
One-trip cut-to-release apparatus and method |
Feb. 5, 2008 |
| 7306038 |
Well cleaning method and apparatus using detonating cord having additional reliability and a longer shelf life |
Dec. 11, 2007 |
| 7278482 |
Anchor and method of using same |
Oct. 9, 2007 |
| 7258054 |
Continuous explosive charge assembly for use in an elongated cavity |
Aug. 21, 2007 |
| 7243725 |
Surge chamber assembly and method for perforating in dynamic underbalanced conditions |
Jul. 17, 2007 |
| 7228906 |
Propellant ignition assembly and process |
Jun. 12, 2007 |
| 7128162 |
Method and apparatus for positioning a sleeve down hole in a hydrocarbon producing well and pipelines |
Oct. 31, 2006 |
| 7121340 |
Method and apparatus for reducing pressure in a perforating gun |
Oct. 17, 2006 |
| 7073589 |
System for fracturing wells using supplemental longer-burning propellants |
Jul. 11, 2006 |
| 7048045 |
Gas lift apparatus for a well |
May. 23, 2006 |
| 7044225 |
Shaped charge |
May. 16, 2006 |
| 7017672 |
Self-set bridge plug |
Mar. 28, 2006 |
| 6962203 |
One trip completion process |
Nov. 8, 2005 |
| 6959760 |
Downhole pulser |
Nov. 1, 2005 |
| 6925937 |
Thermal generator for downhole tools and methods of igniting and assembly |
Aug. 9, 2005 |
| 6886466 |
Method and apparatus for sleeving a borehole |
May. 3, 2005 |
| 6817298 |
Solid propellant gas generator with adjustable pressure pulse for well optimization |
Nov. 16, 2004 |
| 6805056 |
Method and apparatus for removing abandoned tubular members |
Oct. 19, 2004 |
| 6722251 |
Method for loading a continuous explosive charge assembly in an elongated cavity |
Apr. 20, 2004 |
| 6619387 |
Inflatable gas bag for use as a borehole plug |
Sep. 16, 2003 |
| 6588507 |
Apparatus and method for progressively gravel packing an interval of a wellbore |
Jul. 8, 2003 |
| 6564686 |
Continuous explosive charge assembly and method for loading same in an elongated cavity |
May. 20, 2003 |
| 6557650 |
Method and apparatus for protecting explosives |
May. 6, 2003 |
| 6543534 |
Downhole jet pump |
Apr. 8, 2003 |
| 6523449 |
Perforating gun |
Feb. 25, 2003 |
| 6502631 |
Reinforced borehole plugs |
Jan. 7, 2003 |
| 6397950 |
Apparatus and method for removing a frangible rupture disc or other frangible device from a wellbore casing |
Jun. 4, 2002 |
| 6390202 |
Setting an annular seal |
May. 21, 2002 |
| 6386296 |
Method and apparatus of protecting explosives |
May. 14, 2002 |
| 6378611 |
Procedure and device for treating well perforations |
Apr. 30, 2002 |
| 6321838 |
Apparatus and methods for acoustic signaling in subterranean wells |
Nov. 27, 2001 |
| 6315043 |
Downhole anchoring tools conveyed by non-rigid carriers |
Nov. 13, 2001 |
| 6298913 |
Explosive pipe cutting device |
Oct. 9, 2001 |
| 6296058 |
Wellbottom fluid implosion treatment system |
Oct. 2, 2001 |
| 6273187 |
Method and apparatus for downhole safety valve remediation |
Aug. 14, 2001 |
| 6250388 |
Gas impulse device and method of use thereof |
Jun. 26, 2001 |
| 6223818 |
Perforating gun brake |
May. 1, 2001 |
| 6220356 |
Method and apparatus for well treating |
Apr. 24, 2001 |
| 6138753 |
Technique for treating hydrocarbon wells |
Oct. 31, 2000 |
| 6119771 |
Sealed lateral wellbore junction assembled downhole |
Sep. 19, 2000 |
| 6095247 |
Apparatus and method for opening perforations in a well casing |
Aug. 1, 2000 |
| 6082450 |
Apparatus and method for stimulating a subterranean formation |
Jul. 4, 2000 |
| 6053247 |
Method and apparatus for severing a tubular |
Apr. 25, 2000 |
| 6009947 |
Casing conveyed perforator |
Jan. 4, 2000 |
| 5992289 |
Firing head with metered delay |
Nov. 30, 1999 |
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