Method for displacing crude oil in low-permeability reservoir
The invention provides a method for displacing crude oil in a low-permeability oil reservoir, which comprises the following steps of: drilling at least two wells in the low-permeability oil reservoir, and injecting nitrogen into the first well to carry out a nitrogen flooding stage; in the nitrogen...
Saved in:
Main Authors | , , , , , |
---|---|
Format | Patent |
Language | Chinese English |
Published |
10.06.2022
|
Subjects | |
Online Access | Get full text |
Cover
Loading…
Be the first to leave a comment!