Downhole tool string
US12312886B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Apr 19, 2023 |
| Grant date | May 27, 2025 |
| Priority date | — |
| Expiry date | Apr 19, 2043 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B23/04115
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
The present invention relates to a downhole tool string for displacing at least a tool section in a well in a radial direction in a wall of a well tubular metal structure extending along an axial direction in relation to the radial direction, comprising a tool body having an outer face and a tool centre axis along the axial direction, a centre plane extending along and enclosing the centre axis, dividing the tool body into a first body half and a second body half, an operational machining tool for performing a machining operation in the well tubular metal structure, such as drilling a hole in the wall, and extendable from the outer face of the first body half in a first radial direction in relation to the tool centre axis, and a first displacement element extendable from the outer face of the second body half of the tool body for displacing the tool body towards the wall for arranging the operational machining tool close to the wall, the first displacement element being extendable between a retracted position and a projected position, wherein the downhole tool string further comprises a first distancing element extendable from the outer face of the first body half, the first distan…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.