Stimulation of light tight shale oil formations
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United States of America Patent
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May 19, 2020
Grant Date -
Jan 11, 2018
app pub date -
Feb 5, 2016
filing date -
Feb 7, 2015
priority date (Note) -
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Abstract
Methods and systems for stimulating light tight shale oil formations to recover hydrocarbons from the formations. One embodiment includes positioning a downhole burner in a first well, supplying a fuel, oxidizer, and water to the burner to form steam, injecting the steam and surplus oxygen into the shale reservoir to form a heated zone within the shale reservoir, wherein the surplus oxygen reacts with hydrocarbons in the reservoir to generate heat; wherein the heat from the reactions with the hydrocarbons and the steam increases permeability in a kerogen-rich portion of the shale reservoir, and producing hydrocarbons from the shale reservoir.
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