Tube assembly for servicing a well head and having an inner coil tubing injected into an outer coiled tubing
US5671811A · kind A · utility
53Cited by
9References
11Claims
0Family size
Inventor
Key dates
| Filing date | Jan 18, 1996 |
| Grant date | Sep 30, 1997 |
| Priority date | — |
| Expiry date | Jan 18, 2016 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B41/10
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A tube assembly for servicing a well head injects an inner continuous coil tubing into an outer continuous coil tubing which can be connected at one end to a well head of an oil or gas reservoir. The inner coiled tubing can be connected to a tool string for servicing the well.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.