Patent · US Active

Rigless drilling and wellhead installation

US11905831B2 · kind B2 · utility

1Cited by

7References

11Claims

0Family size

Assignee

Vetco Gray Scandinavia AS · NO

Inventors

Jarle Hvidsten · Bjørndalstræ, NO
Knut Inge Dahlberg · Blomsterdalen, NO
Anders BERGGREN · Lund, SE
Vidar Strand · Stavanger, NO

Key dates

Filing date	Feb 18, 2020
Grant date	Feb 20, 2024
Priority date	—
Expiry date	Feb 18, 2040

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE21B33/05
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

The present invention relates to methods and systems for establishing a well foundation as well as for drilling and installation of a surface casing without any use of a drilling rig.

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