WELL · 42-255-31586 · DISTRICT 2
Kowalik 228-1 #1
Karnes County · Sugarkane (Eagle Ford) field · Horizontal
Kowalik 228-1 #1 (API 42-255-31586) is a plugged horizontal well in Karnes County, plugged April 12, 2017, last operated by Marathon Oil EF LLC.
The RRC has issued one drilling permit, issued July 10, 2008, permitted to 12,000 ft.
It was permitted by Texas Crude Energy, Inc. and has since transferred to Marathon Oil EF LLC on the wellbore schedule.
Completion filings report 2 formation tops, including Wilcox, Taylor.
Operator of record
Permitted by Texas Crude Energy, Inc.; the EWA schedule now lists a different operator.
Houston, TX · P-5 Y, filed Aug 4, 2025 · 3,191 permits on file · (800) 332-9449
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Marathon Oil EF LLC |
| Production reports | Texas Crude Energy, Inc.through Dec 2009 |
| Latest permit | Texas Crude Energy, Inc.Jul 10, 2008 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 12,000
- total depth, ft
- 1
- permits on file
- Jul 10, 2008
- last permit issued
- Nov 7, 2008
- completed
- 0
- cumulative oil, bbl
- 57.6K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Nov 2008 THROUGH Apr 2017
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Nov 7, 2008
- Shut in
- —
- Plugged
- Apr 12, 2017
Surface location
No coordinates on the permit record yet. The RRC's GIS record usually lands within days of issuance; historical master-file permits never carry one.
Lease production
PDQ LEASE REPORTS · REPORTED THROUGH APR 2026
Texas reports oil by lease, not by well. These are the lease this well is completed on; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Kowalik 228-1 G-2-246035 | Sugarkane (Eagle Ford) | Marathon Oil EF LLC | 1 | 0 | 57.6K | Nov 2008 – Apr 2017 |
No volumes reported on these leases in the last three years.
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Texas Crude Energy, Inc.Nov 2008 → Dec 2009
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 664893-99 | Drill | Texas Crude Energy, Inc. | Jun 19, 2008 | Jul 10, 2008 | Jul 26, 2008 | 12,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-2-246035 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 471 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 11,861 | 16,480 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 825 | 17.5 | 695 S |
| 9.625 | 6,020 | 12.25 | 1,470 S |
| 7 | 11,861 | 8.75 | 1,125 S |
Completion filings
W-2 and G-1 reports on record in the RRC wellbore file, newest first. The suffix identifies the wellbore or completion event. About these reports →
| Suffix | Filed | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Jun 3, 2009 | Nov 21, 2008 | Yes |
| 00 | Mar 31, 2009 | — | — |
The source documents
Petrora holds the structured record. The scanned filings live at the RRC; these links open its search already filled in for this API.
- Wellbore filings for 42-255-31586 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-255-31586 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward). then paste it into their search.
About this data
Permits from the RRC OGA049M master and daily daf420 files; wellbore and operator of record from the EWA schedule, weekly; completions, formation tops, casing, and perforations from the dbf900 wellbore file; production from PDQ lease reports, which lag two to three months; injection from UIC permits, H-10 reports, and TexNet daily volumes; earthquakes from the TexNet catalog.
New to these records? How to read a well page · API numbers · completion reports and tops · why production is by lease
Developers: this page as JSON is GET /v1/data/wells/25531586, documented in the API reference.