Collingwood 'A' 1
API 15175218950000 · Seward County, Kansas · THIRTY-ONE SOUTHWEST field
Producing
API
15175218950000
Operator
Daystar Petroleum, Inc.
County
Seward
Field
THIRTY-ONE SOUTHWEST
Location
Permit
09-APR-2003
Spudded
2003-04-25
Completed
2003-10-29
Measured depth
6,000 ft
Formation tops
Kansas records 22 formations for this well, shallowest first.
| Formation | Top (ft) | Base (ft) |
|---|---|---|
| Chase Group | 2,660 | — |
| Herington Limestone Member | 2,673 | — |
| Krider Limestone Member | 2,695 | — |
| Winfield Limestone | 2,752 | — |
| Council Grove Group | 2,991 | 3,332 |
| Heebner Shale Member | 4,244 | — |
| Toronto Limestone Member | 4,264 | — |
| Lansing - Kansas City Supergroup | 4,354 | — |
| Iola Limestone Formation | 4,621 | — |
| Stark Shale Member | 4,803 | — |
| Swope Limestone Formation | 4,813 | — |
| Hushpuckney Shale Member | 4,852 | — |
| Marmaton Group | 4,965 | — |
| Novinger Limestone Bed | 5,026 | — |
| Pawnee Limestone Formation | 5,075 | — |
| Fort Scott Limestone Formation | 5,120 | — |
| Cherokee Group | 5,136 | — |
| Atoka Shale Bed | 5,386 | — |
| Upper Kearny Member | 5,438 | — |
| Mississippi St. Genevieve | 5,682 | — |
| Mississippi St. Louis | 5,750 | — |
| Spergen Porosity | 5,963 | — |
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.
Location
37.328767, -100.676424
37.32877, -100.67642 · Surface location as filed with Kansas⌘ or Ctrl + scroll to zoom
Every well in Seward County, Kansas
Kansas state record, from KS_wells_ks_wells.parquet. Corpus built 2026-09-11.