Content deleted Content added
m reef -> ref |
Removing links to deleted file File:Oil Well.png |
||
Line 43:
=== Primary Oil Recovery Stage ===
<!-- Deleted image removed: [[Image:Oil Well.png|right|thumb|300px|Diagram of oil well with perforations]] -->
During primary recovery, the natural pressure of the reservoir or gravity drive oil into the wellbore, combined with artificial lift techniques (such as pumps) which bring the oil to the surface. But only about 10 percent of a reservoir's original oil in place is typically produced during primary recovery.<ref name=Enhanced/>
| |||
