Low debris shaped charge perforating apparatus and method for use of same
US6497285B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Mar 21, 2001 |
| Grant date | Dec 24, 2002 |
| Priority date | — |
| Expiry date | Mar 21, 2021 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/117
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A shaped charge perforating apparatus (50) for perforating a subterranean well is disclosed. The shaped charge perforating apparatus (50) comprises a support member (62) having a plurality of shaped charge mounting locations each having shaped charge (56) positioned therein. Each of the shaped charges (56) has an initiation end and a discharge end. The initiation end of each shaped charge (56) is coupled to a detonator cord (70) The shaped charges (56) are enclosed in a carrier (52) having a plurality of recesses (54) spaced on an exterior surface thereof and having contoured bottom surfaces (80). Each of the recesses (54) is longitudinally and radially aligned with the discharge end of one of the shaped charges (56).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.