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General Field Info Field Geology Info Field Geophysics Info Field Reservoir Info Field Well Info Play: St. Louis (Lower Mississippian)
Basin: Anadarko
County: Grant and Stanton counties

Big Bow Field--General Information

Local Site Map Type Logs Production

Summary of Field Data

Field Name: Big Bow
Location: Twp 29 S / Rge 38-39 W, Grant & Stanton County, Kansas
Producing Formations: Mississippian, St. Louis "B"
Discovery Date: Jan. 1, 1989, Mississippian, St. Louis "B"
Operator: ARCO Oil and Gas Company
Geological Setting: Hugoton Embayment of Anadarko Basin
Surface Formation: Quaternary Loess, Miocene Ogalla
Discovery Method: 2D Seismic Survey and Subsurface Geology
Trap Type: Combination, ooid-skeletal grainstone shoal with subsequent anticlinal folding
Reservoir Parameters:
Mississippian, St. Louis "B", carbonate, 0 to 16 ft.
Reservoir Geometry:
Subtidal nearshore ooid-skeletal grainstone shoal
Oldest Horizon Penetrated: Ordovician, Arbuckle
Proven Productive Area: 6,240 acres
Approved Spacing: Variable
Net Pay max/ave:
Mississippian, St. Louis "B", 16 ft. / 10 ft.
Porosity max/ave:
Mississippian, St. Louis "B", 18% / 14%
Permeability max/ave:
Mississippian, unknown
Water Saturation: unknown
Initial Field Pressure:
Mississippian, St. Louis "B", 1,466 psia, Dst Final Shut-in, Plummer #1
Mississippian, St. Louis "B", 124 degrees F
Drive Mechanism:
Mississippian, Dissolved Gas and Partial Water
Produced Fluid Contacts:
Mississippian, St. Louis "B", Oil/Water: (Variable)
Oil Analysis:unknown
Gas Analysis:unknown
Water Analysis:unknown
EUR Primary:unknown
EUR Secondary:unknown
Logging Practice:
Dual Induction - SFL, Spontaneous Potential, Gamma Ray
Compensated Neuton, LithoDensity
Long Spaced Sonic
Drilling-Casing Practice:
Conductor: 18 in. set in 30 in. hole at 60 ft. with 5 cubic yards of Redi-Mix
Surface: 8.625 in set in 12.25 in. hole at 1800 ft. with 1950 sacks of Poz "C"
Production: 5.5 in. set in 7.875 in. hole at 5800 ft. two-staged through DV tool with 1,200 sacks of Poz "H"
Drilling Fluid Practice:
Water based gel to displacement point at 3600 ft. Chemical Gel to rotary total depth
Treatment Practice:
Mississippian, St. Louis "B": acidize with 1,750 gals. of 15% Fe HCL containing additives
Published References Use the KGS Online Bibliography

Kansas Geological Survey, Digital Petroleum Atlas
Comments to webadmin@kgs.ku.edu
Updated Feb. 14, 1996
URL = http://www.kgs.ku.edu/DPA/BigBow/General/bigbowGnrl1.html