Resources Contact Us Home
Apparatus for perforating a well and its method of assembly

Image Number 4 for United States Patent #4273047.

Disclosed is a method and apparatus for attaching shaped charge units into a well perforating gun. The shaped charge unit has an ear shaped extension having a cavity for receiving a wire in the perforating assembly. A second extension is positioned on the perforating charge unit having a threaded hole for containing a screw which may be advanced into tight engagement with the wire in the cavity of the first extension. This arrangement allows perforating units to be quickly added or taken out of a perforating gun assembly by adjustment of the screws through the threaded assemblies of the perforating charges.

  Recently Added Patents
Motion estimation for a video transcoder
Device and method for generating soft tissue contrast images
Semiconductor device and method for manufacturing the same
Dry-cooling unit with gravity-assisted coolant flow
Profiled rail for advertising/display units
Managing a spinlock indicative of exclusive access to a system resource
Substituted phenylsulfur trifluoride and other like fluorinating agents
  Randomly Featured Patents
Composite cross member system
Device for shed formation and Jacquard loom comprising same
System and method for constructing generic analytical database applications
Barbecue grill
Method for making self-aligned contacts to source/drain without a hard mask layer
Telescope and lens cap
Carbon-containing aluminum nitride sintered compact and ceramic substrate for use in equipment for manufacturing or inspecting semiconductor
Image forming method
Nucleic acid molecules encodng a cathepsin L-like cysteine protease