Perforating system with shaped charge case having a modified boss
US7735578B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 7, 2008 |
| Grant date | Jun 15, 2010 |
| Priority date | — |
| Expiry date | Apr 16, 2028 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/119
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A perforating gun having a charge case with a boss element partially circumscribing Optionally the pair of bosses may be included that are substantially symmetric about the axis of the charge case. Forming a shaped charge with such a charge case allows for gun strips to be formed with increased web material between adjacent shape charges in the gun strips. The increased web material provides for a more structurally sound gun tube, especially when dealing with high density charges. Notches may be provided in the gun tube on the outer radius of the holes formed to receive the shape charges, the notches are to be aligned with the bosses on the outer periphery of the shaped charge case. This also may orient the charge cases so they are pre-aligned for ready connection to an associated detonation cord.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.