Digital Petroleum Atlas
Jennings Field
General Information
Jennings Field Oil & Gas Data

General Field Information

Produces Oil: Yes Produces Gas: No
Exploration Method: The combination of a reconnaissance seismograph revealing an anomaly in the area and the subsurface geology resulted in the drilling of the discovery well.
Drilling Casing Practices: Production string was set to the bottom and each zone was selectively perforated and acidized. An average of 700 feet of surface casing was set in each well.

Discovery Well(s)
Discovery Date Well Name Available Well Data Oil Production Gas Production LAS File Viewer with Core Data Plots Core Image Core Data Table
19 SEP 1951 E. J. KEENAN 1
No Gas Production No Digital LAS Files No Core Images No Core Data
Well Location: NW NW SE 25-T4S-R27W
Rotary Total Depth: 3925
Production Zone: Lansing - Kansas City Supergroup
Initial Oil Potential: 162 BOPD
Initial Formation Pressure: 1100
Perforations: 3478 - 3482 Lansing
Comments: Gravity: 35 degrees
Data Source: KOGF, Vol. II; DISCOVERY 894
Discovery Date Well Name Available Well Data Oil Production Gas Production LAS File Viewer with Core Data Plots Core Image Core Data Table
12 DEC 1951 MUNSON 1
No Gas Production No Digital LAS Files No Core Images No Core Data
Well Location: SE SE NW 25-T4S-R27W
Rotary Total Depth: 3586
Production Zone: WABAUNSEE OIL
Initial Oil Potential: 151 BOPD
Perforations: 3156' - 3162' Howard limestone (Wabaunsee)
Data Source: KOGF, Vol. II; DISCOVERY 7681
Discovery Date Well Name Available Well Data Oil Production Gas Production LAS File Viewer with Core Data Plots Core Image Core Data Table
15 JAN 1975 JENNINGS UNIT 4-7
No Gas Production No Digital LAS Files No Core Images No Core Data
Well Location: NE SE SW 25-T4S-R27W
Rotary Total Depth: 3582
Production Zone: SHAWNEE OIL
Data Source: DISCOVERY 7682

Summary Production Information

Field Size: 3200 acres
Total Wells: 98
Productive Oil Wells: 53 as of March 2024
Abandoned Wells: 20
Cumulative Oil: 2,778,649.71 bbls as of March 2024

Producing Formation:


WABAUNSEE
(Wabaunsee Group)
Depth Top: 3156 feet
Formation Lithology: Gray-buff, finely crystalline, fossiliferous limestone
Trap Type: Jennings field is the northernmost producing feature on the Adell-Jennings anticlinal trend. The feature is a small anticline with approximately 30 feet of closure. All production is structurally controlled.

WABAUNSEE (Wabaunsee Group)
Thickness
Thickness: 7 feet Maximum Thickness: 8 feet

WABAUNSEE (Wabaunsee Group)
Oil & Gas Production Information
Produces Oil: Yes
Average Net Pay: 6 feet
Average Oil Column: 16
Drive Mechanism: Water drive and gas solution drive
Water Production: Some wells produced water from their inception. In the late 1950s they were producing about 3 barrels of water for each barrel of oil. The original water lever was -680.
Proven Production: 320 acres Production Well Spacing: 10 acres

WABAUNSEE (Wabaunsee Group)
Oil Chemistry
Minimum Oil API Gravity: 34 Maximum Oil API Gravity: 35.8 %

WABAUNSEE (Wabaunsee Group)
Porosity
Porosity Type: Six feet of porosity.

Producing Formation:


SHAWNEE
(Shawnee Group)
Depth Top: 3295 feet

SHAWNEE (Shawnee Group)
Oil & Gas Production Information
Produces Oil: Yes

Producing Formation:


LANS.-K.C.
(Lansing - Kansas City Supergroup)
Formation Lithology: Gray-buff, finely crystalline, ooltic limestones
Trap Type: Jennings field is the northernmost producing feature on the Adell-Jennings anticlinal trend. The feature is a small anticline with approximately 30 feet of closure. All production is structurally controlled.

LANS.-K.C. (Lansing - Kansas City Supergroup)
Thickness
Average Thickness: 11 feet

LANS.-K.C. (Lansing - Kansas City Supergroup)
Oil & Gas Production Information
Produces Oil: Yes
Average Oil Column: 11
Drive Mechanism: Water drive and gas solution drive
Water Production: Some wells produced water from their inception. In the late 1950s they were producing about 3 barrels of water for each barrel of oil. The original water lever was -906.
Proven Production: 160 acres Production Well Spacing: 10 acres

LANS.-K.C. (Lansing - Kansas City Supergroup)
Oil Chemistry
Minimum Oil API Gravity: 34 Maximum Oil API Gravity: 35.8 %

LANS.-K.C. (Lansing - Kansas City Supergroup)
Porosity
Porosity Type: Each zone has two to six feet of porosity. Maximum Porosity: 6 % Average Porosity: 4 %
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