ad-hoc meaning in oil and gas

ad hoc<p> <p> Pronunciation: (ad hok'; Lat. äd hôk'), [key] <p> 1. for the special purpose or end presently under consideration: a committee formed ad hoc to deal with the issue. <p> 2. concerned or dealing with a specific subject, purpose, or end: The ad hoc committee disbanded after making its final report. <p> <p> Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc<p>