DPA Home Page DPA Kansas Page Site Map Help
General Field Info Field Geology Info Field Geophysics Info Field Reservoir Info Field Well Info Play: Morrow
Basin: Anadarko
County: Stevens County

Gentzler Field--General Information

Local Site Map

Summary of Field Data

Field Name: Gentzler
Location: Twp 33 S / Rge 37 - 38 W, Stevens County, Kansas
Producing Formations:
Lower Morrow (Keyes)
Discovery Date:
October 6, 1971, Lower Morrow
Operator: Anadarko Production Company
Geological Setting: Hugoton Embayment of Anadarko Basin
Surface Formation: Quaternary Holocene & Pleistocene Loess
Discovery Method: Subsurface Geology
Trap Type: Combination
Reservoir Parameters:
Lower Morrow, sandstone, 0 to 60 ft.
Reservoir Geometry:
Lower Morrow, upward coarsening shoreface deposits
Oldest Horizon Penetrated: Mississippian (Spergen)
Proven Productive Area: 12,160 acres
Approved Spacing: 160 acres to Variable
Net Pay max/ave:
Lower Morrow, 60 ft. / 30 ft.
Porosity max/ave:
Lower Morrow, 20% / 14%
Permeability max/ave:
Lower Morrow, unknown
Water Saturation:unknown
Initial Field Pressure:
Lower Morrow, 1,739 psia, Dst Final Shut-in, Gentzler A 1
Lower Morrow, 140 degrees F
Drive Mechanism:
Lower Morrow, Gas Expansion & Edge Water
Produced Fluid Contacts:
Lower Morrow, Gas/OIl: (Variable), 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:
Surface Casing: 8.625 in set in 12.25 in. hole at 1700 ft. with 550 sacks of Poz "C"
Production Casing: 5.5 in. set in 7.875 in. hole at 6200 ft. two-staged through DV tool with 200 sacks of Poz "H"
Drilling Fluid Practice:
Water based gel to displacement point at 4000 ft.(Heebner Shale)
Chemical Gel to rotary total depth
Treatment Practice:
Lower Morrow: acidize with 3000 gals. of 7.5% Fe HCL containing additives
Lower Morrow: fracture with 25,000 gals. of CO2 foam and 25,000 lbs. of 20/40 sand
Published References: Use the KGS Online Bibliography
Kansas Geological Survey, Digital Petroleum Atlas
Send comments and/or suggestions to webadmin@kgs.ku.edu
Updated Aug. 12, 1998
URL = http://www.kgs.ku.edu/DPA/Gentzler/General/gentzlerGnrl1.html