MineralRecord
Log inSign up

UNDERWOOD 'A' 2

API 15175204210001 · Seward County, Kansas · ARCHER field

Inactive Well
API
15175204210001
Operator
BCE-Mach LLC
County
Seward
Field
ARCHER
Location
NE SW Sec 23 34S 34W
Spudded
1980-08-15
Completed
1980-08-15
Measured depth
6,512 ft

Formation tops

Kansas records 80 formations for this well, shallowest first.

FormationTop (ft)Base (ft)Picks
Wellington Formation2,196—1
Hutchinson Salt Member2,344—1
Hollenberg Limestone Member2,636—1
Chase Group2,658—1
Herington Limestone Member2,658—1
Paddock Shale Member2,680—1
Krider Limestone Member2,691—1
Odell Shale Formation2,732—1
Winfield Limestone Formation2,742—2
Gage Shale Member2,787—1
Towanda Limestone Member2,8022,8541
Fort Riley Limestone Member2,8592,9161
Florence Limestone Member2,917—1
Matfield Shale Formation2,942—1
Wreford Limestone Formation2,957—1
Council Grove Group2,988—2
Speiser Shale Formation2,988—1
Funston Formation2,994—1
Blue Rapids Shale Formation3,052—1
Crouse Limestone Formation3,064—1
Easly Creek Shale Formation3,086—1
Middleburg Limestone Member3,094—1
Hooser Shale Member3,117—1
Eiss Limestone Member3,126—1
Stearns Shale Formation3,139—1
Morrill Limestone Member3,146—1
Florena Shale Member3,164—1
B5_SH3,176—1
Cottonwood Limestone Member3,179—1
Eskridge Shale Formation3,220—1
C_SH3,223—1
Neva Limestone Member3,273—1
C_LM3,275—1
Johnson Shale Formation3,280—1
Roca Shale Formation3,329—1
Howe Limestone Member3,349—1
Long Creek Limestone Member3,392—1
Wabaunsee Group3,392–3,558—2
Janesville Shale Formation3,434—1
Root Shale Formation3,588—1
Stotler Limestone Formation3,625—1
Severy Shale Formation3,868—1
Shawnee Group3,904—1
Topeka Limestone Formation3,904—1
Heebner Shale Member4,302–4,305—2
Toronto Limestone Member4,325–4,326—2
Iatan Limestone Member4,361—1
Lansing Group4,440—2
Muncie Creek Shale Member4,671—1
B/DRUM—4,7231
Iola Limestone Formation4,726—1
Dewey Limestone Formation4,746—1
Cherryvale Shale Formation4,788—1
Dennis Limestone Formation4,806—1
Stark Shale Member4,976—2
Swope Limestone Formation4,992—1
Pleasanton Group5,102–5,134—2
Marmaton Group5,144–5,146—2
Altamont Limestone Formation5,176—1
Novinger Limestone Bed5,252—1
Pawnee Limestone Formation5,252—1
Fort Scott Limestone Formation5,298—1
Cherokee Group5,364–5,424—2
Little Osage Shale Member5,366—1
Excello Shale Member5,423–5,424—2
Verdigris Limestone Member5,537—1
Atoka Shale Bed5,652—1
Middle Morrowan Limestone Bed5,800–5,802—2
Upper Kearny Member5,802—1
Keyes Sandstone Bed6,082—1
Chesteran Stage6,096–6,100—2
Chesteran Zone C Bed6,096–6,1546,1912
Mississippian System6,096–6,100—2
Chesteran Zone D Bed6,100—1
Chesteran Zone B Bed6,189–6,1916,2902
Chesteran Zone A Bed6,280–6,2906,4742
Chesteran Sandstone Upper Bed6,422—1
Meramecian Stage6,474–6,487—2
Ste. Genevieve Limestone Formation6,474–6,487—2
Lower Kearny Member——1

A dash is a formation Kansas records for this well without a depth. In the base column a dash is also a depth Kansas’s sources record differently from one another. 15 formations were picked at more than one depth by different Kansas sources, and their range is shown rather than one of the answers.

Location

37.074162, -100.987153

37.07416, -100.98715 · Surface location as filed with Kansas

Every well in Seward County, Kansas

Kansas state record, from KS_wells_ks_wells.parquet. Corpus built 2026-09-11.