System and method for restoration of safety integrity level (SIL) capability in a subsea installation
US11391123B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 10, 2021 |
| Grant date | Jul 19, 2022 |
| Priority date | — |
| Expiry date | May 10, 2041 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B41/04
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A well production system comprises a barrier providing a pressure barrier between components of the well production system located upstream of the barrier and components of the well production system located downstream of the barrier; a safety instrumented system (SIS) communicatively coupled to the barrier and having one or more logic solvers; one or more pressure transmitters disposed along a flowpath, within the barrier, and communicatively coupled to the one or more logic solvers; one or more valves disposed along the flowpath within the barrier and communicatively coupled to the SIS, wherein the SIS is configured to selectively actuate the one or more valves based on feedback from the one or more pressure transmitters; a spare pressure transmitter disposed along the flowpath within the barrier; and a monitoring device, wherein the monitoring device is configured to selectively couple the spare pressure transmitter to the one or more logic solver.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.