Digital Petroleum Atlas
Hobrock Field
General Information
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Digital Petroleum Atlas |
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| Hobrock Field Oil & Gas Data | ||||
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General Field Information | |
| Geologic Province: | Central Kansas Uplift |
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| Exploration Method: | Subsurface study |
| Oldest Formation Penetrated: | Pennsylvanian Conglomerate Sandstone |
| Drilling Casing Practices: | Set production pipe through productive zones. Selective perforation. |
| Electric Logging Practices: | Open Hole Radiation Guard |
| Discussion: | The original test well, Hogan 1, 15-141-20062, in the NE NE of 10S-15W-9, was drilled on subsurface data and a northeast southwest trend interpretation between the Mound Round Field in 9S-5W-34 and 9S-5W-35, and the Lacke area in 10S-15W-19. This original test had significant shows but was not commercial on completion, and was later converted to a salt water disposal well. This test indicated a high area and resulted in the drilling of the Hobrock 1, 15-141-20063, in the SW SW SW of 10S-15W-3, which was the discovery well for Hobrock field. |
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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| 02 APR 1980 | HOBROCK 1 | 
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No Gas Production | No Digital LAS Files | No Core Images | No Core Data |
| Well Location: | SW SW SW 3-T10S-R15W |
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| Rotary Total Depth: | 3620 |
| Production Zone: | Lansing-Kansas City Oil (Lansing - Kansas City Supergroup) |
| Initial Oil Potential: | 21 BOPD |
| Initial Formation Pressure: | 1050 |
| Casing: | 8 5/8" @ 260' 4 1/2" @ 3618' |
| Perforations: | 3277'-3282' 3297'-3301' 3466'-3469' 3495'-3500' |
| Treatments: | 5000 gallons acid |
| Data Source: | KOGF, Vol. V; DISCOVERY 4687 |
| 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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| 05 FEB 1981 | HOGAN 2 |
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No Gas Production | No Digital LAS Files | No Core Images | No Core Data |
| Well Location: | NE NW NW 10-T10S-R15W |
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| Rotary Total Depth: | 3615 |
| Production Zone: | Penn Basal Cong Oil |
| Data Source: | DISCOVERY 9303 |
Summary Production Information | |
| Field Size: | 640 acres |
| Total Wells: | 24 |
| Productive Oil Wells: | 8 as of April 2024 |
| Abandoned Wells: | 11 |
| Cumulative Oil: | 409,785.60 bbls as of April 2024 |
Producing Formation:LANS.-K.C. |
| Depth Top: | 3248 feet |
| Geological Age: | Pennsylvanian |
| Depositional Environment: | Marine |
| Formation Lithology: | Limestone, white light gray to buff tan, finely crystalline, fossiliferous and oolitic, with oomoldic porosity |
| Formation Geometry: | The Toronto and the Lansing-Kansas City formations vary from well to well as to porosity and permeability with the better development occurring in the higher wells. The individual zones of porosity are lenticular and vary from zero to approximately 8 feet. |
| Trap Type: | Structure and stratigraphic |
LANS.-K.C. (Lansing - Kansas City Supergroup) |
| Thickness: | 24 feet |
LANS.-K.C. (Lansing - Kansas City Supergroup) |
| Produces Oil: | Yes |
| Drive Mechanism: | Gas expansion and partial water drive |
| Initial Pressure: | 1050 | Data Source of Initial Pressure: | KOGF, Vol. V |
| Estimated Primary Oil Recovery: | 260000 |
| Proven Production: | 90 acres | Production Well Spacing: | 10 acres |
LANS.-K.C. (Lansing - Kansas City Supergroup) |
| Average Oil API Gravity: | 42 |
LANS.-K.C. (Lansing - Kansas City Supergroup) |
| Porosity Type: | Intercrystalline, interparticle |
Producing Formation:PENN. CONGL. |
| Depth Top: | 2584 feet |
| Geological Age: | Pennsylvanian |
| Depositional Environment: | Marine |
| Formation Lithology: | Sandstone, light gray to tan, fine to medium grain, friable, well sorted, calcareous cement |
| Formation Geometry: | This formation is approximately 12 feet in thickness with good porosity and permeability except for a thin shaly streak of approximately 3 feet near the center of the sand development. |
| Trap Type: | Structure and stratigraphic |
PENN. CONGL. (Base Morrowan Member) |
| Thickness: | 6 feet | Average Thickness: | 12 feet |
PENN. CONGL. (Base Morrowan Member) |
| Produces Oil: | Yes |
| Proven Production: | 90 acres | Production Well Spacing: | 10 acres |
PENN. CONGL. (Base Morrowan Member) |
| Average Oil API Gravity: | 24 |
PENN. CONGL. (Base Morrowan Member) |
| Porosity Type: | Intergranular |
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