English Deutsch Français Italiano Español Português 繁體中文 Bahasa Indonesia Tiếng Việt ภาษาไทย
All categories

5 answers

In most cases the oil is replaced naturally by formation water or natural gas flowing into the pore-spaces vacated by the oil. Sometimes when enhanced recovery is used, the oil is displaced by some other medium such as CO2 or treated water pumped into the formation.

2006-08-10 00:32:56 · answer #1 · answered by tomasrwilson 2 · 1 0

Soil after earthquakes

2006-08-10 07:19:41 · answer #2 · answered by qwine2000 5 · 0 0

Non contaminated water if it is in sea.

2006-08-11 08:29:18 · answer #3 · answered by A.Ganapathy India 7 · 0 0

it automaticaly fls by soil,or water. sometimes by sand manually.

2006-08-10 07:28:24 · answer #4 · answered by njoy 2 · 0 0

Air or groundwater or both
Th

2006-08-10 17:52:47 · answer #5 · answered by Thermo 6 · 0 0

fedest.com, questions and answers