A type of stimulation treatment, acidizing is performed below the reservoir fracture pressure in an effort to restore the natural permeability of the reservoir rock. Well acidizing is achieved by ...

As discussed in the previous chapter, there are a limited number of reasons why sandstone acidizing treatments do not succeed. Understanding this is the first step in overcoming the perception that ...

Sandstone acidizing in horizontal wells is difficult because of placement limitations. Horizontal zones are typically longer than zones in vertical wells. Horizontal intervals can be many thousands of ...