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

General Field Information

Produces Oil: Yes Produces Gas: Yes
Geologic Province: Western Flank of the Central Kansas Uplift
Exploration Method: Subsurface and Geophysical
Surface Formation: Cretaceous
Oldest Formation Penetrated: Arbuckle
Drilling Casing Practices: Standard rotary drilling practices were utilized with a chemical mud system. Minimum penetration of the Mississippian reservoir is desirable for open hole completion. Generally only three feet is necessary. Mud properties when nearing the "Pay" section average 38 viscosity, 9.4 weight, and 10 cc. water loss. 5 1/2" Production Casing is set for open hole completion with a D. V. tool at approximately 1600', adjacent to the Stone Corral Anhydrite. Acidize if necessary, by "dumping" 250 gallons 15% and loading the casing.
Electric Logging Practices: Gamma Ray-Neutron-Resistivity with Caliper, 5" or detailed from total depth to 100' above the Heebner Shale, 2" out of hole to "grass roots."
Discussion: The Don Field is located within the northwest-southeast trending Spergen subcrop of the Mississippian Meramecian Series. Approximately 125' post Osage rocks are present in this area. (65' Warsaw and 60' Spergen). Excellent oil and gas reserves have been found along and within the Spergen sub-crop from Comanche County, in southern Kansas, to as far north as Gove County, in west-central Kansas. The more significant Fields controlled by stratigraphic and structural traps from southest to northwest include: Shimer and Wilmore in Comanche County Alford in Comanche and Kiowa counties Fralick West and Martin in Kiowa County Pleasant Valley in Ford County Mellecker, Far, Purdyville, Bindley, Hallet and Starrett in Hodgeman, Guzzlers Gulch, Laird, Aldrich, Aldrich Northeast, Dickman, Arnold, Southwest and Judica in Ness County Lungren Field in Gove County.

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
05 DEC 1980 Don 'A' 1
No Gas Production No Digital LAS Files No Core Images No Core Data
Well Location: NW SE NE 27-T23S-R24W
Rotary Total Depth: 4705
Production Zone: Mississippian System
Initial Oil Potential: 70 BOPD, 5 BWPD
Initial Formation Pressure: 1431
Casing: 5 1/2" @ 4702'
Perforations: Open Hole 2702' - 2705'
Treatments: Natural
Data Source: KOGF, Vol. V; DISCOVERY 1962
Discovery Date Well Name Available Well Data Oil Production Gas Production LAS File Viewer with Core Data Plots Core Image Core Data Table
07 NOV 2006 Poverty Hill 1
No Oil Production
No Digital LAS Files No Core Images No Core Data
Well Location: NE 26-T23S-R24W
Rotary Total Depth: 2812
Production Zone: Chase Gas

Summary Production Information

Field Size: 960 acres
Total Wells: 24
Productive Oil Wells: 10 as of July 2024
Productive Gas Wells: 1 as of July 2024
Abandoned Wells: 6
Cumulative Oil: 897,412.15 bbls as of July 2024
Cumulative Gas: 147,368.00 mcf as of July 2024

Producing Formation:


MISSISSIPPIAN (SPERGEN DOLOMITE)
(Salem Limestone Formation)
Depth Top: 4702 feet
Geological Age: Mississippian
Depositional Environment: After deposition of the Mississippian Spergen rocks the area was subjected to uplift and erosion. Subsequent deposition of the younger overlying Pennsylvanian beds altered the strata with further deformation. THe productive Mississippian Spergen area's or "highs" are composite structural and topographic features.
Formation Lithology: Mississippian Spergen Dolomite: non cherty, cream to tan, finely to medium crystalline, sucrosic; with inter-crystalline, vugular, and some fossil-cast porosity; and containing the Foraminifer Endothyra Baileyi. Infrequently grading laterally into cream, medium crystalline, dense, non-cherty limestone.
Formation Geometry: Mississippian (Spergen): Truncated Mississippian rocks dip gently westward into the Hugoton Embayment of the Anadarko Basin. "Mounds" of eroded Spergen dolomite are found within the boundaries of the northwest southeast trending anticlinal structure.
Trap Type: Structural closure on a northwest-southeast trending anticline.

MISSISSIPPIAN (SPERGEN DOLOMITE) (Salem Limestone Formation)
Thickness
Thickness: 7 feet

MISSISSIPPIAN (SPERGEN DOLOMITE) (Salem Limestone Formation)
Oil & Gas Production Information
Produces Oil: Yes
Maximum Net Pay: 20 feet Average Net Pay: 7 feet
Average Oil Column: 14
Oil Water Contact: -2268
Drive Mechanism: Water Drive
Initial Pressure: 1431 Data Source of Initial Pressure: KOGF, Vol. V
Pressure Maintenance or EOR: None: Primary production mechanism is natural water-drive. Estimated Ultimate Recovery: 550000
Estimated Primary Oil Recovery: 550000 Estimated Ultimate Recovery: 550000
Proven Production: 500 acres Production Well Spacing: 40 acres

MISSISSIPPIAN (SPERGEN DOLOMITE) (Salem Limestone Formation)
Oil Chemistry
Oil Color: Black %
Oil Base: Asphalt %
Oil Type: Sweet %
Average Oil API Gravity: 36

MISSISSIPPIAN (SPERGEN DOLOMITE) (Salem Limestone Formation)
Brine Chemistry
Total Solids: 103642 ppm PH: 6.8 Resistivity: 1.039
Chloride Equivalent: 30350 ppm Barium: 0 ppm
Bicarbonates: 0 ppm Calcium: 0 ppm
Calcium Bicarbonate: 0 ppm Calcium Sulfate: 0 ppm
Iron: 0 Magnesium: 0 ppm
Magnesium Sulfate: 0 ppm Silica: 0
Sodium Sulfate: 0 ppm Sodium Chloride: 0 ppm
Strontium: 0 Sulfates: 0 ppm

MISSISSIPPIAN (SPERGEN DOLOMITE) (Salem Limestone Formation)
Porosity
Porosity Type: Inter-crystalline, vugular and fossil-cast to vermicular Maximum Porosity: 27 % Average Porosity: 23 %

MISSISSIPPIAN (SPERGEN DOLOMITE) (Salem Limestone Formation)
Permeability
Maximum Horizontal: 100 md Average Horizontal: 60 md
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