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Downhole fluid injection systems, CO2 sequestration methods, and hydrocarbon material recovery methods

Patent ·
OSTI ID:1202360
;

Downhole fluid injection systems are provided that can include a first well extending into a geological formation, and a fluid injector assembly located within the well. The fluid injector assembly can be configured to inject a liquid CO2/H2O-emulsion into the surrounding geological formation. CO2 sequestration methods are provided that can include exposing a geological formation to a liquid CO2/H2O-emulsion to sequester at least a portion of the CO2 from the emulsion within the formation. Hydrocarbon material recovery methods are provided that can include exposing a liquid CO2/H2O-emulsion to a geological formation having the hydrocarbon material therein. The methods can include recovering at least a portion of the hydrocarbon material from the formation.

Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC05-76RL01830
Assignee:
Battelle Memorial Institute (Richland, WA)
Patent Number(s):
9,091,156
Application Number:
13/410,696
OSTI ID:
1202360
Country of Publication:
United States
Language:
English

References (7)

CO2-H2O mixtures in the geological sequestration of CO2. I. Assessment and calculation of mutual solubilities from 12 to 100°C and up to 600 bar journal August 2003
Water reactivity in the liquid and supercritical CO2 phase: Has half the story been neglected? journal February 2009
Organized molecular assemblies in the gas phase: reverse micelles and microemulsions in supercritical fluids journal February 1987
MOFs as Adsorbents for Low Temperature Heating and Cooling Applications journal March 2009
Spontaneous Activation of CO 2 and Possible Corrosion Pathways on the Low-Index Iron Surface Fe(100) journal February 2009
Water-in-Carbon Dioxide Microemulsions: An Environment for Hydrophiles Including Proteins journal February 1996
Using Carbon Dioxide to Enhance Recovery of Methane from Gas Hydrate Reservoirs: Final Summary Report report September 2007

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54 ENVIRONMENTAL SCIENCES
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