PPT Slide

ORDOVICIAN PRODUCTION

IN MICHIGAN

• CHARACTERIZED BY ELONGATE, LINEAR FIELDS TRENDING NW-SE

• PRIMARY PRODUCTION FROM TRENTON-BLACK RIVER FMS.

• FRACTURING AND SUBSEQUENT SECONDARY DOLOMITIZATION HAVEDEVELOPED IRREGULAR POROSITY ZONES

• MOST FRACTURE ZONES OCCUR ON FLANKS OF MAJOR STRUCTURES TRENDING NORTH OR NORTHWEST

• AVERAGE PAY APPROX. 60 FT.

• FIELDS USUALLY HAVE GAS CAP & SOLUTION GAS DRIVE

SOURCE: OIL & GAS FIELDS SYMPOSIUM, MICHIGAN BASIN GEOLOGICAL SOCIETY

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