Title:
GROUND HEAT EXCHANGE PROCESSES AND EQUIPMENT
Document Type and Number:
WIPO Patent Application WO/2013/185083
Kind Code:
A3
Abstract:
This disclosure provides equipment and processes for ground heat exchange. Embodiments of the ground heat exchange system may comprise a geothermal well that includes an inner tube positioned coaxially inside a borehole in geologic units, a substantially-liquid impermeable outer liner sealed at the bottom, and a liquid supply system. The outer liner may include one or more layers of a substantially-liquid impermeable fabric or coating. A fluid such as water is supplied by the liquid supply system and flows co-axially through the inner tube. The fluid pressure in the annulus between the inner tube and the outer liner presses the outer liner against the borehole wall, providing sealing contact and preventing interconnection of aquifers of the geologic units.
Inventors:
FREITAG SCOTT (US)
BARR KELTON DOUGLAS LEIGHTON (US)
BEECROFT DAVID MICHAEL (US)
BARR KELTON DOUGLAS LEIGHTON (US)
BEECROFT DAVID MICHAEL (US)
Application Number:
PCT/US2013/044798
Publication Date:
June 26, 2014
Filing Date:
June 07, 2013
Export Citation:
Assignee:
BRAUN INTERTEC GEOTHERMAL LLC (US)
International Classes:
F24J3/08
Domestic Patent References:
| WO2010053424A1 | 2010-05-14 | |||
| WO2000037862A1 | 2000-06-29 | |||
| WO2000036343A1 | 2000-06-22 | |||
| WO2012000009A1 | 2012-01-05 |
Foreign References:
| US6212896B1 | 2001-04-10 | |||
| DE102011102485A1 | 2012-11-29 | |||
| US20110308268A1 | 2011-12-22 |
Attorney, Agent or Firm:
HIPKINS, Thomas, R. et al. (P.A.200 South Sixth Street,Suite 400, Minneapolis MN, US)
Download PDF:
Previous Patent: INHIBITORS OF BRUTON'S TYROSINE KINASE
Next Patent: PYRIMIDINYL TYROSINE KINASE INHIBITORS
Next Patent: PYRIMIDINYL TYROSINE KINASE INHIBITORS