Patent · US Active

Tubular handling apparatus

US11162308B2 · kind B2 · utility

0Cited by

5References

23Claims

0Family size

Assignee

WEATHERFORD TECHNOLOGY HOLDINGS, LLC · US

Inventors

Igor STANKOVIC · Gehrden, DE
Martin Helms · Burgdorf, DE
Michael Schindel · Langenhagen, DE
Thomas Kotschy · Burgdorf, DE
Christian KIESS · Hannover, DE

Key dates

Filing date	Dec 5, 2018
Grant date	Nov 2, 2021
Priority date	—
Expiry date	Dec 5, 2038

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE21B19/10
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

A tubular handling assembly includes a mandrel; a plurality of gripping elements for gripping a tubular, the plurality of gripping elements coupled to and rotatable with the mandrel; one or more accumulators; a first actuator configured to supply fluid to the one or more accumulators; and a second actuator configured to receive fluid from at least one of the one or more accumulators and to actuate the plurality of gripping elements.

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