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Class Information
Number: 102/312
Name: Ammunition and explosives > Blasting > Patterned blasting > Borehole arrangement
Description: Subject matter wherein a blasting charge is in each of several boreholes.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7536942 |
Explosive pipe severing tool |
May. 26, 2009 |
| 7530397 |
Explosive pipe severing tool |
May. 12, 2009 |
| 7481166 |
Heat insulating container for a detonator |
Jan. 27, 2009 |
| 7406918 |
Method of blasting |
Aug. 5, 2008 |
| 7387162 |
Apparatus and method for selective actuation of downhole tools |
Jun. 17, 2008 |
| 7331291 |
Self-supporting air tube for blasting |
Feb. 19, 2008 |
| 7156023 |
Method for installing an ignition system, and ignition system |
Jan. 2, 2007 |
| 7107908 |
Firing-readiness diagnostic of a pyrotechnic device such as an electronic detonator |
Sep. 19, 2006 |
| 7086334 |
Staggered charging of slave devices such as in an electronic blasting system |
Aug. 8, 2006 |
| 6959765 |
Explosive pipe severing tool |
Nov. 1, 2005 |
| 6926096 |
Method for using a well perforating gun |
Aug. 9, 2005 |
| 6896059 |
Components and methods for use with explosives |
May. 24, 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 |
| 6772105 |
Blasting method |
Aug. 3, 2004 |
| 6758124 |
Unique phasings and firing sequences for perforating guns |
Jul. 6, 2004 |
| 6679175 |
Cartridge and method for small charge breaking |
Jan. 20, 2004 |
| 6651564 |
High energy explosive for seismic methods |
Nov. 25, 2003 |
| 6644202 |
Blasting arrangement |
Nov. 11, 2003 |
| 6631684 |
Rock blasting method using air bladders embedded in loading layers |
Oct. 14, 2003 |
| 6591911 |
Multi-directional gun carrier method and apparatus |
Jul. 15, 2003 |
| 6557448 |
Method of and system for delivery of water-based explosives |
May. 6, 2003 |
| 6554081 |
Components and methods for use with explosives |
Apr. 29, 2003 |
| 6536349 |
Explosive system for casing damage repair |
Mar. 25, 2003 |
| 6527345 |
Method for excavating a tunnel rock face by drilling a pattern of lifter and line holes |
Mar. 4, 2003 |
| 6523449 |
Perforating gun |
Feb. 25, 2003 |
| 6523474 |
Shaped recesses in explosive carrier housings that provide for improved explosive performance |
Feb. 25, 2003 |
| 6520258 |
Encapsulant providing structural support for explosives |
Feb. 18, 2003 |
| 6520089 |
Method for setting and igniting a charge of explosives for geological investigations and explosive device associated therewith |
Feb. 18, 2003 |
| 6505559 |
Well bore cutting and perforating devices and methods of manufacture |
Jan. 14, 2003 |
| 6499406 |
Blasting apparatus for forming horizontal underground cavities and blasting method using the same |
Dec. 31, 2002 |
| 6487973 |
Method and apparatus for locking charges into a charge holder |
Dec. 3, 2002 |
| 6460463 |
Shaped recesses in explosive carrier housings that provide for improved explosive performance in a well |
Oct. 8, 2002 |
| 6460462 |
Method of blasting of rock mass |
Oct. 8, 2002 |
| 6454359 |
Method for blasting tunnels using an air bladder |
Sep. 24, 2002 |
| 6453818 |
Method of controlled blasting |
Sep. 24, 2002 |
| 6439121 |
Perforating charge carrier and method of assembly for same |
Aug. 27, 2002 |
| 6435096 |
Method and apparatus for controlled small-charge blasting by decoupled explosive |
Aug. 20, 2002 |
| 6431075 |
Center-cut method for tunnel excavation utilizing large unloaded blast holes and a circular pre-split |
Aug. 13, 2002 |
| 6422148 |
Impermeable and composite perforating gun assembly components |
Jul. 23, 2002 |
| 6422147 |
Sequential detonation of explosive charges |
Jul. 23, 2002 |
| 6412415 |
Shock and vibration protection for tools containing explosive components |
Jul. 2, 2002 |
| 6412388 |
Safety arming device and method, for perforation guns and similar devices |
Jul. 2, 2002 |
| 6397719 |
Method for loading slurry explosives in blast holes or cartridges |
Jun. 4, 2002 |
| 6397754 |
Method and apparatus for charging boreholes with explosives |
Jun. 4, 2002 |
| 6397752 |
Method and apparatus for coupling explosive devices |
Jun. 4, 2002 |
| 6386111 |
Stemming arrangement and method for blast holes |
May. 14, 2002 |
| 6339992 |
Small charge blasting apparatus including device for sealing pressurized fluids in holes |
Jan. 22, 2002 |
| 6336408 |
Cooling system for downhole tools |
Jan. 8, 2002 |
| 6332401 |
Method and apparatus for pressure wave suppression in small-charge blasting |
Dec. 25, 2001 |
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