Diagnosing underperforming wells

Deciding on which wells are best candidates for having their performance improved is not always easy.As pointed out in a recent Gas Technology Institute workshop on restimulation technology, one key problem is that many operators make restimulation decisions without benefit of downhole data and base their decisions only on production information, which may not be a good indicator.In other words, because of such constraints as manpower and capital, the industry tends to restimulate the worst wells and not those that have the most potential, thus leading to a negative perception of restimulation.GTI studyThe GTI workshop primarily centered on its 21/2 year study on hydraulically refracturin...

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