This document was prepared as an account of work sponsored by the U.S. Department of Energy under DOE Cooperative Agreement No. DE-FC26-05NT42589. Well Names, API Number, Reef: Chester 6-16, 21137611890000, Chester 16 Chester 8-16, 2113761186, Chester 16 El Mac Hills 1-18A, 21137418010100, Charlton 19 El Mac Hills 1-19D, 2113740911, Charlton 19 El Mac Hills 2-18, 2113742766, Charlton 19 Lawnichak Myszkier 1-33, 21137295650000, Dover 33 Lawnichak Myszkier 5-33, 2113751603001, Dover 33 Lawnichak 9-33, 21137006527000, Dover 33 St Charlton 2-30, 2113731287, Charlton 30/31 Location: Otsego County, Northern Michigan Contents Summary: Cement bond log data and cement evaluation analyses.