Back to results
US 2003/0116049 A1Published application
Pre-fragmented shaped charge
OwnerChenghua Oliver Haninventor
Life of this patent
Estimating the term…
Abstract
The present invention provides an apparatus and method for controlling the debris generated by shaped charges during perforating. The controlled debris perforating system comprises a pre-fragmented shaped charge having a charge case and an explosive material.
Claims20
A controlled debris perforating system, comprising:
- a pre-fragmented shaped charge having a charge case and an explosive material.
A method of controlling the debris during perforating, comprising:
- providing a pre-fragmented shaped charge having a charge case defining a plurality of grooves.
A shaped charge made by a process, comprising:
- inserting an explosive into a case;
- inserting a liner over the main body of explosive;
- and
- machining a plurality of slots in the case.
1 more element
A method of using one or more pre-fragmented shaped charges in a well, comprising:
- providing a perforating string having one or more pre-fragmented shaped charges;
- and
- conveying the perforating string into the well.
Dependencies are inferred from the claim text.