(n). Well Testing. The slope of the chosen straight-line section of a Horner plot. It is used to determine permeability thickness, kh, of the producing zone in the vicinity of the wellbore. See: permeability thickness
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}