Chase-Silica Field--General Info


	Play: Early Ordovician/Cambrian Arbuckle Basin: Central Kansas Uplift Counties: Rice, Barton, and Stafford Counties Chase-Silica Field--General Information

Summary of Field Data

Field Name: Chase-Silica
Location:Twp 19-21 S / Rge 9-12 W, Rice, Barton, & Stafford County, Kansas

Producing Formations:: Ordovician Arbuckle; Ordovician Simpson; Pennsylvanian Conglomerate Sand; Pennsylvanian Lansing-Kansas City; Pennsylvanian Douglas Sand; Pennsylvanian Shawnee; Pennsylvanian Wabaunsee; Permian Chase
Discovery Date:: Ordovician Arbuckle, 2-7-1930; Ordovician Simpson, 4-4-1938; Pennsylvanian Conglomerate Sand, 1-2-1956; Pennsylvanian Lansing-Kansas City, 6-13-1934; Pennsylvanian Douglas Sand, 5-6-1955; Pennsylvanian Shawnee, 6-8-1945; Pennsylvanian Wabaunsee, 12-7-1948; Permian Chase, 9-4-1974
Operator of Discovery Well:: Ordovician Arbuckle, Producers & Refiners; Ordovician Simpson, Holland; Pennsylvanian Conglomerate Sand, M & H; Pennsylvanian Lansing-Kansas City, Keith; Pennsylvanian Douglas Sand, N.C.R.A.; Pennsylvanian Shawnee, Skelly; Pennsylvanian Wabaunsee, J. M. Huber; Permian Chase, Mapco

Geological Setting: Central Kansas Uplift
Surface Formation: Quaternary, Holocene & Pleistocene Alluvium & Dune Sand
Discovery Method: Core Drill and Subsurface Geology
Trap Type: Structural

Reservoir Parameters (lithology, thickness):: Ordovician Arbuckle, carbonate-dolomite, > 100 ft.; Ordovician Simpson, sandstone, 6 to 15 ft.; Pennsylvanian Conglomerate Sand, lithic sandstone, 6 to 20 ft.; Pennsylvanian Lansing-Kansas City, carbonate, 10 to 25 ft.; Pennsylvanian Douglas Sand, argillaceous sandstone, 10 to 25 ft.; Pennsylvanian Shawnee, carbonate, 10 to 25 ft.; Pennsylvanian Wabaunsee, carbonate & sandstone, 10 to 25 ft.; Permian Chase, carbonate-dolomite, 10 to 30 ft.
Reservoir Geometry:: Ordovician Arbuckle, cyclic peritidal-subtidal dolomitic carbonate; Ordovician Simpson, shallow marine clastic; Pennsylvanian Conglomerate Sand, shallow marine clastic; Pennsylvanian Lansing-Kansas City, subtidal upward coarsening carbonate shoal; Pennsylvanian Douglas Sand, fluvial channel sandstone; Pennsylvanian Shawnee, subtidal upward coarsening carbonate shoal; Pennsylvanian Wabaunsee, subtidal upward coarsening carbonate shoal and shallow marine clastic; Permian Chase, peritidal carbonate on shallow shelf

Oldest Horizon Penetrated: Pre-Cambrian Granite
Proven Productive Area: 98,560 acres
Approved Spacing: 10 acres and/or Variable

Net Pay (max/ave):: Ordovician Arbuckle, 60 ft. / 25 ft.; Ordovician Simpson, 12 ft. / 6 ft.; Pennsylvanian Conglomerate Sand, 20 ft. / 10 ft.; Pennsylvanian Lansing-Kansas City, 15 ft. / 8 ft.; Pennsylvanian Douglas Sand, 14 ft. / 8 ft.; Pennsylvanian Shawnee, 14 ft. / 8 ft.; Pennsylvanian Wabaunsee, 10 ft. / 6 ft.; Permian Chase, 10 ft. / 6 ft.
Porosity (max/ave):: Ordovician Arbuckle, 30% / 15%; Ordovician Simpson, 18% / 12%; Pennsylvanian Conglomerate Sand, 21% / 15%; Pennsylvanian Lansing-Kansas City, 27% / 16%; Pennsylvanian Douglas Sand, 18% / 12%; Pennsylvanian Shawnee, 26% / 18%; Pennsylvanian Wabaunsee, 20% / 14%; Permian Chase, 19% / 10%
Permeability (max/ave):: Ordovician Arbuckle, multiple darcies / 60 md.; Ordovician Simpson, unknown; Pennsylvanian Conglomerate Sand, unknown; Pennsylvanian Lansing-Kansas City, 260 md. / 40 md.; Pennsylvanian Douglas Sand, unknown; Pennsylvanian Shawnee, unknown; Pennsylvanian Wabaunsee, unknown; Permian Chase, 120 md. / 25 md.
Water Saturation (ave):: Ordovician Arbuckle, 25% original / 50% current; Ordovician Simpson, unknown; Pennsylvanian Conglomerate Sand, unknown; Pennsylvanian Lansing-Kansas City, 35% original / 50% current; Pennsylvanian Douglas Sand, unknown; Pennsylvanian Shawnee, unknown; Pennsylvanian Wabaunsee, unknown; Permian Chase, 22% original, 50% current
Initial Field Pressure (ave):: Ordovician Arbuckle, 1200 lbs.; Ordovician Simpson, 1180 lbs.; Pennsylvanian Conglomerate Sand, 1150 lbs.; Pennsylvanian Lansing-Kansas City, 1000 lbs.; Pennsylvanian Douglas Sand, 910 lbs.; Pennsylvanian Shawnee, 870 lbs.; Pennsylvanian Wabaunsee, 950 lbs.; Permian Chase, 700 lbs.
Temperature:: Ordovician Arbuckle, 110^o F; Ordovician Simpson, 108^o F; Pennsylvanian Conglomerate Sand, 106^o F; Pennsylvanian Lansing-Kansas City, 105^o F; Pennsylvanian Douglas Sand, 102^o F; Pennsylvanian Shawnee, 96^o F; Pennsylvanian Wabaunsee, 91^o F; Permian Chase, 79^o F
Drive Mechanism:: Ordovician Arbuckle, bottom water; Ordovician Simpson, edge water; Pennsylvanian Conglomerate Sand, edge water and solution gas; Pennsylvanian Lansing-Kansas City, edge water and solution gas; Pennsylvanian Douglas Sand, edge water and solution gas; Pennsylvanian Shawnee, bottom and edge water; Pennsylvanian Wabaunsee, bottom and edge water; Permian Chase, gas expansion
Produced Fluid Contacts:: Ordovician Arbuckle, o/w (-1550); Ordovician Simpson, o/w (-1550 to variable); Pennsylvanian Conglomerate Sand, o/w (-1550 to variable); Pennsylvanian Lansing-Kansas City, o/w (variable by zone); Pennsylvanian Douglas Sand, o/w (-1200); Pennsylvanian Shawnee, o/w (-840); Pennsylvanian Wabaunsee, g/w (-400); Permian Chase, g/w (+400)
Oil Analysis:: Ordovician Arbuckle: Unknown; Ordovician Simpson: Unknown; Pennsylvanian Conglomerate Sand: Unknown; Pennsylvanian Lansing-Kansas City: Unknown; Pennsylvanian Douglas Sand: Unknown; Pennsylvanian Shawnee: Unknown; Pennsylvanian Wabaunsee: Unknown; Permian Chase: Unknown
Gas Analysis:: Ordovician Arbuckle: Unknown; Ordovician Simpson: Unknown; Pennsylvanian Conglomerate Sand: Unknown; Pennsylvanian Lansing-Kansas City: Unknown; Pennsylvanian Douglas Sand: Unknown; Pennsylvanian Shawnee: Unknown; Pennsylvanian Wabaunsee: Unknown; Permian Chase: Unknown
Water Analysis:: Ordovician Arbuckle: Unknown; Ordovician Simpson: Unknown; Pennsylvanian Conglomerate Sand: Unknown; Pennsylvanian Lansing-Kansas City: Unknown; Pennsylvanian Douglas Sand: Unknown; Pennsylvanian Shawnee: Unknown; Pennsylvanian Wabaunsee: Unknown; Permian Chase: Unknown
EUR Primary:: Ordovician Arbuckle: Unknown; Ordovician Simpson: Unknown; Pennsylvanian Conglomerate Sand: Unknown; Pennsylvanian Lansing-Kansas City: Unknown; Pennsylvanian Douglas Sand: Unknown; Pennsylvanian Shawnee: Unknown; Pennsylvanian Wabaunsee: Unknown; Permian Chase: Unknown
EUR Secondary:: Ordovician Arbuckle: Unknown; Ordovician Simpson: Unknown; Pennsylvanian Conglomerate Sand: Unknown; Pennsylvanian Lansing-Kansas City: Unknown; Pennsylvanian Douglas Sand: Unknown; Pennsylvanian Shawnee: Unknown; Pennsylvanian Wabaunsee: Unknown; Permian Chase: Unknown

Logging Practice:: Guard - Neutron, Gamma Ray, Caliper
Drilling-Casing Practice:: Surface Casing: 8.625 in set in 12.25 in. hole at 450 ft. with 250 sacks of Poz "C"; Production Casing: 5.5 in. set in 7.875 in. hole at 3400 ft. with 150 sacks of Poz "H"; Production Tubing: 2.875 in. landed 25 ft. off bottom
Drilling Fluid Practice:: Water based gel to displacement point at 2900 ft.(Heebner Shale); Chemical Gel to rotary total depth
Treatment Practice:: Chase: acidize with 1000 gals. of 15% Fe HCL containing additives; Wabaunsee: acidize with 1000 gals. of 15% Fe HCL containing additives; Shawnee: acidize with 1500 gals. of 15% Fe HCL containing additives; Douglas Sand: acidize with 300 gals. of 7.5% Fe HCL containing additives; Lansing-Kansas City: acidize with 1000 gals. of 15% Fe HCL containing additives; Conglomerate Sand: acidize with 1200 gals. of 15% Fe HCL containing additives; Simpson: acidize with 500 gals. of 7.5% Fe HCL containing additives; Arbuckle: acidize with 1250 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 Aug. 11, 1998
URL = http://www.kgs.ku.edu/DPA/Chase/General/chaseGnrl1.html

Chase-Silica Field--General Information

Summary of Field Data