Oilfield Glossary
Oilfield Glossary
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VAPEX

1. n. [Heavy Oil]
A non-thermal heavy oil production method. Similar in concept to SAGD, in vapor extraction a solvent vapor is used to reduce viscosity of the heavy oil. The injected solvent vapor expands and dilutes the heavy oil by contact. The diluted heavy oil will drain by gravity to the lower horizontal well, to be produced.
Alternate Form: vapor extraction