Patent · US Active

Drilling system and a device for assembling and disassembling pipe stands

US9303468B2 · kind B2 · utility

5Cited by

46References

29Claims

0Family size

Assignee

National Oilwell Varco Norway AS · NO

Inventors

Per Andre Selzer · Tønder, DK
Magnus Johansson · Kristiansand, NO
Erik Haavind · Hønefoss, NO
Jonathan Webb · San Mateo, US
Trond Werner Moen · Kristiansand, NO
Bjorn Abrahamsen · Kristiansand, NO

Key dates

Filing date	Nov 2, 2011
Grant date	Apr 5, 2016
Priority date	—
Expiry date	Dec 22, 2032

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE21B19/165
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

A system for storing one or more tubulars comprises a drilling deck including a hole offset from a wellbore centerline. In addition, the system comprises a rack unit coupled to the drilling deck and extending downward from the hole in the drilling deck. The rack unit comprises a tubular housing having a longitudinal axis, an upper end, and a lower end opposite the upper end. The rack unit also comprises a first rack disposed within the body, wherein the first rack is moveably coupled to the body.

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