Adapted mud line suspension system
US12312921B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 23, 2023 |
| Grant date | May 27, 2025 |
| Priority date | — |
| Expiry date | May 23, 2043 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B33/04
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A wellbore system includes a mudline suspension system arranged to provide a pressure rating sufficient for performing operations within a wellbore. The wellbore system includes a conductor pipe installed through a subaquatic surface location, and at least one casing string hung from an interior of the conductor pipe into the wellbore. A split casing string extends through the at least one casing string, includes a downhole liner portion hung from a lower end of the at least one casing string and an uphole tieback portion sealed to an interior surface of the lower liner portion. A wellhead supports the split casing string, wherein the upper tieback portion of the split casing string is hung from the wellhead.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.