Digital Petroleum Atlas
Patterson Field
General Information
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Digital Petroleum Atlas |
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| Patterson Field Oil & Gas Data | ||||
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General Field Information | |
| Exploration Method: | Based on a combination of subsurface interpretation and seismograph data. |
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| Drilling Casing Practices: | As of October 1958, the three wells were producing naturally through the perforations. On most of the tests in the area, from 1000 to 1200 feet of surface casing was run. |
| Discussion: | In 1942, the average cost to drill and equip a producing well was $48,000. |
Discovery Well(s) |
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| Discovery Date | Well Name | Available Well Data | Oil Production | Gas Production | LAS File Viewer with Core Data Plots | Core Image | Core Data Table |
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| 24 OCT 1941 | GATES O. PATTERSON UNIT 1-23 | 
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No Gas Production | 
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No Core Images | No Core Data |
| Well Location: | C E2 SE SE 23-T22S-R38W |
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| Rotary Total Depth: | 5690 |
| Production Zone: | MORROW OIL |
| Initial Oil Potential: | 3964 BOPD |
| Initial Formation Pressure: | 1125 |
| Perforations: | 4740'-4752.5' in Morrow sandstone |
| Data Source: | KOGF, Vol. II; DISCOVERY 2074 |
Summary Production Information | |
| Field Size: | 1920 acres |
| Total Wells: | 23 |
| Productive Oil Wells: | 41 as of March 2024 |
| Abandoned Wells: | 6 |
| Cumulative Oil: | 3,348,979.13 bbls as of March 2024 |
Producing Formation:MORROWAN |
| Depth Top: | 4800 feet |
| Formation Lithology: | Medium to coarse grained, angular, clear quartz sandstone. There is visual porosity and stain in the samples. |
| Trap Type: | The producing interval is from 15 feet of sandstone in the upper Morrowan (Pennsylvanian) series, called the "Patterson sand." Accumulation is primarily the result of a stratigraphic trap, inasmuch as the sandstone lens appears to pinch out in all directions. The sandstone lens is situated on a structural high but the effect upon the oil accumulation is indeterminate. |
MORROWAN (Upper Kearny Member) |
| Thickness: | 4 feet |
MORROWAN (Upper Kearny Member) |
| Produces Oil: | Yes |
| Maximum Net Pay: | 15 feet | Average Net Pay: | 12 feet |
| Average Oil Column: | 12 | Average Gas Column: | 0 |
| Drive Mechanism: | Gas solution drive |
| Water Production: | In October 1958 when the KOGF, Vol. II entry was written for Patterson field, there were only three producing wells in the field. All three were completed free of water, but were producing water by October 1958. Pan American drilled a salt water disposal well to the Cedar Hills sandstone (Permian), the Gropp 1, in 22S-38W-24, 15-093-00727. The three wells produced from 6 to 12 barrels of water during a 24 hour test. Resistivity in ohms/M2: 60 degrees F - 0.078 80 degrees F - 0.062 100 degrees F - 0.054 120 degrees F - 0.045 Brine analysis came from the discovery well. |
| Proven Production: | 300 acres |
MORROWAN (Upper Kearny Member) |
| Average Oil API Gravity: | 34 |
MORROWAN (Upper Kearny Member) |
| Total Solids: | 142340 ppm | Resistivity: | .054 |
| Chloride Equivalent: | 86900 ppm | Barium: | 0 ppm |
| Bicarbonates: | 243 ppm | Calcium: | 7450 ppm |
| Calcium Bicarbonate: | 0 ppm | Calcium Sulfate: | 0 ppm |
| Iron: | 0 | Magnesium: | 1510 ppm |
| Magnesium Sulfate: | 0 ppm | Silica: | 0 |
| Sodium Sulfate: | 0 ppm | Sodium Chloride: | 0 ppm |
| Strontium: | 0 | Sulfates: | 837 ppm |
MORROWAN (Upper Kearny Member) |
| Maximum Porosity: | 21.2 % | Average Porosity: | 20 % |
MORROWAN (Upper Kearny Member) |
| Maximum Horizontal: | 720 md | Average Horizontal: | 600.7 md |
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