Changes

==Corrosion==

==Corrosion==

[[file:production-problems_fig3.png|thumb|{{figure number|3}}Effects of corrosion on metal pipe.]]

[[file:production-problems_fig3.png|thumb|300px|{{figure number|3}}Effects of corrosion on metal pipe.]]

The potential for corrosion must be recognized and diagnosed early in the producing life of a field. Otherwise, expensive [[workovers]] and repairs may be necessary. Corrosion within the wellbore can occur in various forms and is often accompanied by the formation of scale (discussed previously). Corrosion can be divided into three categories:

The potential for corrosion must be recognized and diagnosed early in the producing life of a field. Otherwise, expensive [[workovers]] and repairs may be necessary. Corrosion within the wellbore can occur in various forms and is often accompanied by the formation of scale (discussed previously). Corrosion can be divided into three categories: