Patent · US Active

Downhole pulling tool with selective anchor actuation

US11408241B2 · kind B2 · utility

0Cited by

13References

22Claims

0Family size

Assignee

Baker Hughes Oilfield Operations LLC · US

Inventors

Jason L. Cullum · League City, US
Knut Inge Dahlberg · Blomsterdalen, NO
Waqas Munir · Rawalpindi, PK
Mohsen Ali · Lahore, PK
Dan Wells · Houston, US
Andrew D. Ponder · Houston, US
Per Daykin · Søreide, NO
Eivind Hagen · Riska, NO

Key dates

Filing date	Jul 31, 2020
Grant date	Aug 9, 2022
Priority date	—
Expiry date	Jul 31, 2040

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE21B31/20
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

A single-trip cut and pull system for a wellbore including a cutter, a power section, and an anchor selectively actuable independently of the power section; a method for cutting and pulling casing in a single run including running a cut and pull system on a string to a target depth, rotating a cutter of the cut and pull system to cut a casing section, and actuating an anchor of the cut and pull system after cutting the casing section; and a method for cutting and pulling casing in a single run including running a cut and pull system on a string to a target depth, rotating a cutter of the cut and pull system by rotating the string to cut a casing section, and pulling the cut casing in the single run.

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