Patent · US Active

Wireline tractor comprising a disc-shaped cutting device for perforating of a tubing wall and method for perforating a tubing wall

US10683719B2 · kind B2 · utility

6Cited by

4References

16Claims

0Family size

Assignee

Qinterra Technologies AS · NO

Inventor

Arne Motland · Stavanger, NO

Key dates

Filing date	Jan 8, 2015
Grant date	Jun 16, 2020
Priority date	—
Expiry date	Feb 28, 2035

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE21B23/001
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

This invention relates to a wireline tractor (10) for use in a casing or tubing (4) in a well. The wireline tractor (10) includes at least one retractable wheel (14) for driving within the casing or tubing (4) and a rotatable disc-shaped cutting device (11) mounted on an actuator (13) that is coupled to the wireline tractor. The cutting device (11) and the actuator (13) are configured for pressing the cutting device (11) against a wall of the casing or tubing (4) and for cutting a perforation (100) in the wall of the casing or tubing (4), in operational use of the wireline tractor (10). The invention further relates to a method for perforating a casing or tubing (4) in a well.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.