Subsurface well completion system having a heat exchanger
US8672024B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 27, 2010 |
| Grant date | Mar 18, 2014 |
| Priority date | — |
| Expiry date | Apr 14, 2032 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B36/008
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A subsurface well completion system including a subsurface heat exchanger section that includes an outer shell and an inner shell having an upper threaded portion, an open inside diameter, one or more inlet boxes and one or more outlet boxes. An upper annular ring extends between the inner shell and the outer shell and has one or more openings. A lower annular ring extends between the inner shell and the outer shell. The lower annular ring is spaced apart from the upper annular ring and has one or more openings. One or more tubes are sealably connected at a first end and a second end to the one or more openings in the upper annular ring and the one or more openings in the lower annular ring, respectively, and extend between the upper and lower annular rings in an annular space between the inner shell and the outer shell.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.