Date of Discovery May 29, 1935


Discovery well DAILY CRUDE - J. TOW #1 - PERMIT # 2406


Exploration Methods GEOLOGIC MAPPING FROM WELLS


Horizons with shows GAS - MICHIGAN "STRAY", OLDWATER, SUNBURY, ANTRIM
OIL - TRAVERSE


Source Rock UNKNOWN


Type of Trap STRUCTURAL ANTICLINE


Trapping Lithology TIGHT LIMESTONE OR SHALE


Producing Area 2000 ACRES


Number producing wells 193


Field Operators VARIOUS


Drilling and Casing Practices CABLE TOOL, SURFACE CASING, 8 1/4" AND 6 5/8" INTERMEDIATE CASING, 5 3/16" PRODUCTION; TUBING SET AT TOP OF DUNDEE


Logging suites NO WIRELINE LOGS


Testing Practices FLOW TESTING


Market MICHIGAN

RESERVOIR DATA

Producing Formation OIL - DUNDEE FM., TRAVERSE LS. (2 WELLS); GAS - MICHIGAN "STRAY" (21 WELLS)


Depth to Reservoir DUNDEE - 3186 FT. (P.N. 2406)


Deepest zone tested DETROIT RIVER - 3496 FT. (P.N. 2602)


Pay Thickness MAX. 32 FT. (P.N. 2745), AVE. 12 FT. (EST.)


Pay Lithology DOLOMITE


Porosity UNKNOWN


Pore Type UNKNOWN


Permeability UNKNOWN


Oil/Water Contact -2410 FT. (SUBSEA)


BO/MCF per acre-foot OIL - 3000 BBLS/ACRE-FT


Character of Oil/Gas OIL - 44oAPI


Gas-Oil Ratio UNKNOWN


Water Rw, Salinity UNKNOWN


Water Saturation UNKNOWN


Temperature UNKNOWN


Original and Present Reservoir Pressure UNKNOWN


Drive Mechanism SUSPECTED WATER DRIVE


Cumulative Production 7,934,350 BBLS (1986)


Decline Rate EXPONENTIAL


Present Daily Production 20 BBLS/DAY (7 WELLS)


Water Produced 2200 BBLS/DAY (1986)


Completion, perforation and Treatment NATURAL OR ACID TREATMENT (100 - 200 GALS.), OPEN HOLE


Original Oil in Place 20,000,000 (VOLUMETRIC EST.)


Ultimate Primary Recovery 8,000,000 (EST.)


Estimated Secondary Recovery UNKNOWN


Secondary Recovery in Effect PROPOSED HORIZONTAL DRAIN HOLE PLANNED 1995


Secondary Recovery Method GRAVITY HORIZONTAL DRAIN


Gas Storage in Effect NO

REFERENCES

Annual statistical summary of oil and gas fields in Michigan, 1935-1986, Michigan Department of Natural Resources, Geological Survey Division, Lansing Michigan.

WIRELINE LOGS

There are no logged wells in the field. The following are the nearest wells from 2 to 4 miles away.

Jennings-Smith 1-17, P#37377, Gratiot Co., 17-10N-4W, TD 3534 ft., GR/DENS/CNL/CALI/PEF/MSFL/ILD/ILM

Leonard-Lee #1, P#24011, Montcalm Co., 8-10N-5W, TD 3493 ft., CR/NEUT/LAT/SONI

Chartreuse-Rocha-Buck 1-15, Montcalm Co., 15-10N-6W, TD 3435 ft., GR/DENS/CNL/CALI/PEF