Joe Lee - Groundwater Protection Council

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78.83. Surface and Coal Protective Casing and Cementing Procedures: New Language • Surface casing set depth: may not be set more than 200 feet below the deepest fresh groundwater except as necessary to set the casing in consolidated rock (Two string vs. three string) • Surface casing hole must be drilled using air, freshwater, or freshwater-based drilling fluid • Wellbore conditioning required • Centralizers now required: surface casing- at least one within 50 ft. of the surface casing seat, then in intervals no greater than every 150 ft. above the first centralizer • Coal protective string must have at least two centralizers, one within 50 ft. of the casing seat and the second within 100 ft. of the surface • Intermediate and production casing centralizers required (DEP does not prescribe number and placement)
78.75a. New Section: Area of Alternative Methods • DEP may designate an area of alternative methods if it determines that well drilling and operating requirements beyond those provided in this Chapter are necessary • Notice of proposed area of alternative methods published in PA Bulletin • Wells drilled within this area must meet the requirements specified by the Department unless the operator obtains DEP approval to drill, operate or plug the well in a different manner that is at least as safe and protective of the environment as the requirements in the area of alternative methods
Page 1 and 2: Regulatory Reponses to Stray Gas In
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Page 13: Joseph J. Lee, Jr. Pennsylvania Dep

Joe Lee - Groundwater Protection Council

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