Subsea pig launching and receiving system and method of use and installation
US6454492B1 · kind B1 · utility
21Cited by
14References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 31, 2000 |
| Grant date | Sep 24, 2002 |
| Priority date | — |
| Expiry date | May 31, 2020 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB08B9/0551
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A pig launching system and a pig receiving system for use in cleaning a subsea flowline. This invention further relates to a method of propelling a pig through a flowline using a pressurized accumulator, a method of assembling a subsea pig receiver in a flowline using a remotely operated vehicle, and a method of collecting a sample from a subsea flowline, using an accumulator connected to a pig launcher.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.