Rotating subsea diverter
US6230824A · kind A · utility
161Cited by
28References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 25, 1999 |
| Grant date | May 15, 2001 |
| Priority date | — |
| Expiry date | Mar 25, 2019 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B21/085
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A rotating diverter for isolating fluid in a well from other fluid above the well is provided. The rotating diverter includes a housing body which has a bore running through it. A retrievable spindle assembly which includes a spindle and a bearing assembly is disposed in the bore. The bearing assembly supports the spindle for rotation. The spindle is adapted to receive and seal around a tubular member, and rotation of the tubular member rotates the spindle within the bore. A lock member is disposed in the housing body to secure the retrievable spindle assembly to the housing body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.