Well Efficiency and Skin Effect

by Yaron M. Sternberg, (A.M.ASCE), Assoc. Prof. of Civ. Engrg.; Univ. of Maryland, College Park, MD,

Serial Information: Journal of the Irrigation and Drainage Division, 1973, Vol. 99, Issue 2, Pg. 203-206

Document Type: Journal Paper


The purpose of this paper is to present a technique for determining the skin effect using previously derived flow equations. This technique is applicable only to wells affected by losses due to laminar flow (both the normal losses and those in the damaged zone) and does not account for turbulent losses that may be present in large capacity wells. Drawdown data taken at an observation well and at the pumped well, operating at constant discharge, are required in this method.

Subject Headings: Observation wells | Laminar flow | Turbulent flow | Drawdown (hydrology) | Pumps | Water discharge

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