System and method thermopile energy harvesting for subsurface well bore sensors
Abstract
A system and method for powering a borehole sensor with thermal energy is disclosed. The system includes a tubular pipe inserted into a subsurface borehole. A borehole casing is coaxially disposed with the tubular pipe. An annular space between the casing and the tubular pipe has a power source placed in the borehole to power a sensor in response to a temperature gradient between a surface of the casing and a surface of the tubular pipe. The method includes attaching thermopiles on the borehole casing or tubing; placing the thermopile in the annulus between the casing and the tubing; inducing a thermal gradient across the thermopile; generating an electrical energy in response to the temperature gradient; powering the sensor from the generated energy; and monitoring vertical expansion of a CO2 plume.
- Inventors:
- Issue Date:
- Research Org.:
- Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
- Sponsoring Org.:
- USDOE National Nuclear Security Administration (NNSA)
- OSTI Identifier:
- 1892892
- Patent Number(s):
- 11319779
- Application Number:
- 16/912,778
- Assignee:
- National Technology & Engineering Solutions of Sandia, LLC (Albuquerque, NM)
- Patent Classifications (CPCs):
-
E - FIXED CONSTRUCTIONS E21 - EARTH DRILLING E21B - EARTH DRILLING, e.g. DEEP DRILLING
- DOE Contract Number:
- NA0003525
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 06/26/2020
- Country of Publication:
- United States
- Language:
- English
Citation Formats
Bryan, Charles R., Heath, Jason E., Koripella, Chowdary, and Dewers, Thomas Ramesh. System and method thermopile energy harvesting for subsurface well bore sensors. United States: N. p., 2022.
Web.
Bryan, Charles R., Heath, Jason E., Koripella, Chowdary, & Dewers, Thomas Ramesh. System and method thermopile energy harvesting for subsurface well bore sensors. United States.
Bryan, Charles R., Heath, Jason E., Koripella, Chowdary, and Dewers, Thomas Ramesh. Tue .
"System and method thermopile energy harvesting for subsurface well bore sensors". United States. https://www.osti.gov/servlets/purl/1892892.
@article{osti_1892892,
title = {System and method thermopile energy harvesting for subsurface well bore sensors},
author = {Bryan, Charles R. and Heath, Jason E. and Koripella, Chowdary and Dewers, Thomas Ramesh},
abstractNote = {A system and method for powering a borehole sensor with thermal energy is disclosed. The system includes a tubular pipe inserted into a subsurface borehole. A borehole casing is coaxially disposed with the tubular pipe. An annular space between the casing and the tubular pipe has a power source placed in the borehole to power a sensor in response to a temperature gradient between a surface of the casing and a surface of the tubular pipe. The method includes attaching thermopiles on the borehole casing or tubing; placing the thermopile in the annulus between the casing and the tubing; inducing a thermal gradient across the thermopile; generating an electrical energy in response to the temperature gradient; powering the sensor from the generated energy; and monitoring vertical expansion of a CO2 plume.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2022},
month = {5}
}
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