(n.) Production Testing. In sucker-rod pumping, a situation that occurs when the stroke length at the downhole pump is shorter than the surface stroke length. Ant: overtravel. See: Sucker Rod
Schlumberger Ltd. (The World's Leading Supplier Of Technology, Integrated Project Management And Information Solutions to Customers Working in The Oil and Gas Industry Worldwide), Schlumberger Oilfield Glossary Cedex, France 2014. http://www.glossary.oilfield.slb.com/en/Terms/sym/ a.aspx, (Ergo - Brit) {766}