Patent · US Active

Wireline tractor device

US8302682B2 · kind B2 · utility

2Cited by

6References

5Claims

0Family size

Assignee

Aker Well Service AS · NO

Inventor

Gerald McInally · Bryne, NO

Key dates

Filing date	Feb 29, 2008
Grant date	Nov 6, 2012
Priority date	—
Expiry date	Apr 12, 2029

Classification

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

Abstract

A wireline tractor includes a displacement mechanism and at least one driving wheel positioned on the displacement mechanism so that the driving wheel is held in a biasing manner against a well wall. The displacement mechanism is rotatable or movable between a first position at which the driving wheel bears against the well wall on one side of the wireline tractor, and a second position at which the driving wheel bears against the well wall on the opposite side of the wireline tractor.

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