This report summarizes results of a horizontal gas storage well field experiment at the Howell Storage Field in Howell, Ml. A new horizontal well was successfully drilled in the Niagaran formation offsetting a vertical well on the same location. TVD was 3914 ft; Measured depth was 6271ft, including 967 ft in the turn (616-ft radius) and a 2000-ft lateral. The lateral was held within a 10-ft window over the entire 2000-ft length. The horizontal well was drilled on schedule and within budget Minor problems, typical of all drilling operations, were handled without serious impact. The research objectives were to 1) address problems of planning and conducting drilling operations on a very small site in a populated area, and 2) demonstrate using horizontal well technology to increase working gas ratio. This report describes the careful planning process necessary for implementing horizontal well technology in storage fields, and presents 1) details of the actual drilling and completion operations, 2) time and component breakdown of all costi, and 3) preliminary well flow results.
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