Reusable tandem subs including a signal bar for a perforating gun system
US11859957B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 23, 2021 |
| Grant date | Jan 2, 2024 |
| Priority date | — |
| Expiry date | Jan 1, 2042 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/117
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A tandem sub for a perforating gun system includes a tubular housing including a longitudinal first end, a longitudinal second end opposite the first end, a central passage defined by an inner surface, an electrical pass-thru assembly including an electrically conductive signal bar having a longitudinal first end defining a first electrical contact of the tandem sub, and a longitudinal second end opposite the first end and defining a second electrical contact of the tandem sub that is longitudinally opposite and electrically connected to the first electrical contact, wherein the signal bar is rigid along the entire longitudinal length thereof extending from the first end to the second end, and wherein the signal bar is coupled to the housing and a central axis of the central passage of the housing intersects the signal bar.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.