Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
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
Method and apparatus for communication channel error rate estimation
Multi-carrier operation for wireless systems
System and method for efficient association of a power outlet and device
Method and system for establishing security connection between switch equipments
Enzymatic demethylation of flavonoids
System and method for backup communication over ethernet
Shoe outsole with a surface ornamentation contrast
  Randomly Featured Patents
Cable isolator with overvoltage protection
Compact diversity antenna system
Process to personalize master slice wafers and fabricate high density VLSI components with a single masking step
Video detection/verification system
Jackknife warning system for trailered vehicle
Side impact airbag apparatus
Apparatus for handling fish fillets for the purpose of quality inspection
Ball projecting and catching apparatus
Handheld shower
System for evaluating the pH and buffering capacity of moisture containing cleansing articles