--> --> Abstract: ANR Pipeline Company Experience in Secondary Liquids Recovery Resulting from Gas Storage Operations in Three Michigan Reservoirs, by S. Nowaczewski; #90984 (1994).

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Abstract: ANR Pipeline Company Experience in Secondary Liquids Recovery Resulting from Gas Storage Operations in Three Michigan Reservoirs

Stephen Nowaczewski

ANR Pipeline Company operates 16 gas storage fields in Michigan, three of which produce significant quantities of secondary hydrocarbon liquid. This discussion reviews the basic geologic framework at Loreed (Reed City oil field) gas storage field and the 30-yr history of gas cycling and secondary oil and gasoline liquids production. The high-density well pattern and extensive data acquisition programs of ANR Pipeline Company contribute to identification of the most poorly drained zones and aid the efficiency and probable maximizing of liquids recovery from Loreed. The performance thus far is compared to prestorage estimates of probable recovery, which have been exceeded. Similarly, geologic frameworks and liquids production histories are presented for the Niagaran reef reservoirs Cent al Charlton 1 and South Chester 15, with comments as to the efficiency of natural gas cycling as a means of secondary condensate recovery and the use of gas composition as an indication of relative cleanup of native hydrocarbons in the storage-affected area of the reservoir. The degree of porosity/permeability stratification in all three reservoirs is perhaps the dominant factor affecting additional secondary recovery.

AAPG Search and Discovery Article #90984©1994 AAPG Annual Convention, East Lansing, Michigan, September 18-20, 1994