Method of detecting leakage from geologic formations used to sequester CO.sub.2
Patent
·
OSTI ID:985247
- Pittsburgh, PA
- Bridgeville, PA
- Venetia, PA
The invention provides methods for the measurement of carbon dioxide leakage from sequestration reservoirs. Tracer moieties are injected along with carbon dioxide into geological formations. Leakage is monitored by gas chromatographic analyses of absorbents. The invention also provides a process for the early leak detection of possible carbon dioxide leakage from sequestration reservoirs by measuring methane (CH.sub.4), ethane (C.sub.2H.sub.6), propane (C.sub.3H.sub.8), and/or radon (Rn) leakage rates from the reservoirs. The invention further provides a method for branding sequestered carbon dioxide using perfluorcarbon tracers (PFTs) to show ownership.
- Research Organization:
- National Energy Technology Laboratory (NETL), Pittsburgh, PA, and Morgantown, WV (United States)
- Sponsoring Organization:
- USDOE
- Assignee:
- The United States of America as represented by the United States Department of Energy (Washington, DC)
- Patent Number(s):
- 7,704,746
- Application Number:
- 12/351,348
- OSTI ID:
- 985247
- Country of Publication:
- United States
- Language:
- English
The background atmospheric concentrations of cyclic perfluorocarbon tracers determined by negative ion-chemical ionization mass spectrometry
|
journal | May 2002 |
Evaluation of leakage potential from a carbon dioxide EOR/sequestration project
|
journal | July 2003 |
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