Topside standalone lubricator for below-tension-ring rotating control device
US10619443B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 14, 2016 |
| Grant date | Apr 14, 2020 |
| Priority date | — |
| Expiry date | Sep 26, 2036 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B19/006
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Well systems and methods are provided. An example well system comprises a lubricator assembly. The lubricator assembly comprises a lubricator head. The lubricator head comprises a removable sealing cartridge, a plurality of sealing elements disposed in the sealing cartridge, and a lubricating fluid cavity disposed between two individual sealing elements of the plurality of sealing elements. The lubricator assembly further comprises a lubricator body. The lubricator body comprises a lubricator seal conduit pipe. The example well system also comprises a slip joint coupled to the lubricator seal conduit pipe and a statically underbalanced drilling fluid disposed in the lubricator seal conduit pipe.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.