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Digital Petroleum Atlas |
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Shallow Water Field Oil & Gas Data | |||
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General Field Information | |
Exploration Method: | A reflection seismograph survey conducted for Atlantic Refining Company located as anomaly on which the Mississippian discovery well was drilled. |
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Drilling Casing Practices: | Open hole with acid treatments of 1,500 to 9,000 gallons. Two wells were shot with nitroglycerine. |
Discovery Well(s) |
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Well Location: | C SE NE 15-T20S-R33W |
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Rotary Total Depth: | 4686 |
Production Zone: | Mississippian Oil |
Initial Oil Potential: | 1255 BOPD |
Perforations: | 4600' Mississippian (St. Louis) |
Data Source: | KOGF, Vol. II; DISCOVERY 3668 |
Well Location: | CNL SE SW 14-T20S-R33W |
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Rotary Total Depth: | 4685 |
Production Zone: | Marmaton Oil |
Initial Oil Potential: | 369 BOPD |
Perforations: | 4280' Marmaton Recompletion by plugback from the Mississippian |
Comments: | Recompleted by plugging back from the Mississippian Total recovery was approximately 16,500 barrels of oil. Only this one well tapped into this stratigraphic trap. |
Data Source: | KOGF, Vol. II |
Summary Production Information | |
Field Size: | 1920 acres |
Total Wells: | 29 |
Productive Oil Wells: | 11 as of May 2024 |
Abandoned Wells: | 9 |
Cumulative Oil: | 2,231,118.71 bbls as of May 2024 |
Producing Formation:MARMATON |
Depth Top: | 4286 feet |
MARMATON (Marmaton Group) |
Produces Oil: | Yes |
Producing Formation:MISSISSIPPIAN |
Depth Top: | 4660 feet |
Formation Lithology: | Crystalline and fossiliferous to dense limestone with porosity development in small vugular to oolicastic and coarse intercrystalline voids |
Trap Type: | Structural and stratigraphic. Altered by local erosion. Closures on regional nosing. |
MISSISSIPPIAN (Mississippian System) |
Produces Oil: | Yes |
Maximum Net Pay: | 10 feet |
Gas Oil Contact: | There is no definite gas-oil contact in the reservoir. Reservoir limits are a result of porosity pinchout or increasing water saturation. Some edge water encroachment has occurred. |
Drive Mechanism: | Expansion of solution gas and water encroachment at low structural position in lower producing intervals in edge wells. |
Water Production: | Water production has increased gradually from traces initially to as high as 96% of the total fluid by 1959. Volumes, however, are small due to the low fluid capacities of the wells, ranging from between 2 and 9 barrels of water per well per day. As of 1959, no definite water datum had been established. |
Proven Production: | 500 acres |
MISSISSIPPIAN (Mississippian System) |
Minimum Oil API Gravity: | 26 | Maximum Oil API Gravity: | 28 % |
MISSISSIPPIAN (Mississippian System) |
Porosity Type: | There is variable porosity development throughout a 100-foot interval at the top of the formation. Several intervals of porosity occur roughly within the top 60 feet of the formation and one interval between 70 to 100 feet. The intervals are not necessarily continuous from well to well. The lower interval is usually the more uniformly developed and more permeable. The rocks are crystalline and fossiliferous to dense limestone with porosity development in small vugular to oolicastic and coarse intercrystalline voids. Some vertical fracture development occurs but is considered a small part of the porosity. |
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