Oilfield Glossary
Oilfield Glossary
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toe to heel air injection

1. n. [Enhanced Oil Recovery, Heavy Oil]
An in-situ combustion method for producing heavy oil. In this technique, the fireflooding starts from a vertical well, while the oil is produced from a horizontal well having its toe in close proximity to the vertical air-injection well. This production method is a modification of conventional fire flooding techniques in which the flame front from a vertical well pushes the oil to be produced from another vertical well.
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