Wellhead attachment system
US12359523B2 · kind B2 · utility
0Cited by
6References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 12, 2024 |
| Grant date | Jul 15, 2025 |
| Priority date | — |
| Expiry date | Feb 12, 2044 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B17/085
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A casing system includes a landing ring and a mandrel hanger. The landing ring defines an opening extending between a first end portion and a second end portion. The first end portion is configured to couple to a conductor pipe. The landing ring includes a landing ring shoulder extending radially inward from an inner surface of the opening. The mandrel hanger has an outer surface configured to engage a load ring and an engagement ring. The load ring also abuts the engagement ring and engages the landing ring shoulder.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.