Downhole cable protection device
US7278479B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 5, 2002 |
| Grant date | Oct 9, 2007 |
| Priority date | — |
| Expiry date | Sep 24, 2022 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/086
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A device for an underground well, typically a petroleum well (1), wherein, in the uncased inflow portion (2, 4, 6) of the well, there is placed an inflow pipe, possibly in the form of a strainer pipe (8) comprising a strainer/perforated outer mantle (16), a main pipe (12) located within and a number of preferably axial spacer strips (18) spaced apart about the external periphery of the main pipe and arranged to support the strainer mantle (16), whereby there are, in the space defined by the strainer mantle (16) and the main pipe (12), channels 20 between the spacers (18), and in one or more of the channels 20, there extends at least one cable, pipe or hose (34, 38).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.