WELL · 42-255-31690 · DISTRICT 2
Kowalik 228-1R #1H
Karnes County · Sugarkane (Eagle Ford) field · Temp Abandoned · Horizontal
Kowalik 228-1r #1H (API 42-255-31690) is a horizontal well in Karnes County operated by Marathon Oil EF LLC, completed November 20, 2010 and listed as temp abandoned on the RRC schedule, shut in December 1, 2019.
The RRC has issued 2 drilling permits (amended once) between 2010 and 2011, permitted to 11,986 ft.
Completion filings report 5 formation tops, including Anacacho, Austin Chalk, Upper Ef, Eagle Ford.
No lease production has been reported under this well’s leases.
Operator of record
- Based in
- Houston, TX
- P-5 status
- Active (A)
- P-5 last filed
- Sep 26, 2025
- Permits on file
- 3,191
- Phone
- (832) 486-2737
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Marathon Oil EF LLC |
| Production reports | Marathon Oil EF LLCthrough Nov 2019 |
| Latest permit | Marathon Oil EF LLCJul 22, 2011 |
- 11,986
- total depth, ft
- 3
- permits on file
- Jul 22, 2011
- last permit issued
- Nov 20, 2010
- completed
- 0
- cumulative oil, bbl
- 740K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Aug 2010 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Nov 20, 2010
- Shut in
- Dec 1, 2019
- Plugged
- —
Operator's P-5 on the schedule: Active – Extension (X)
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 2 leases this well is completed on; they carry 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Kowalik 228-1R G-2-265799 | Sugarkane (Eagle Ford) | Marathon Oil EF LLC | 1 | 0 | 740K | Nov 2010 – Jul 2026 |
| Kowalik 228-1R G-2-259927 | Sugarkane (Cretaceous) | Marathon Oil EF LLC | 1 | 0 | 0 | Aug 2010 – Mar 2013 |
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.
- 1Marathon Oil EF LLCDec 2010 → Nov 2019
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 720055-98 | Recompletion | Marathon Oil EF LLC | May 23, 2012 | Jul 22, 2011 | Jul 9, 2010 | 13,500 |
| 720055-99 | Recompletion | Hilcorp Energy Company | Jul 12, 2011 | Jul 22, 2011 | — | 13,500 |
| 697656-99 | Drill | Hilcorp Energy Company | Jun 15, 2010 | Jun 17, 2010 | Jul 9, 2010 | 13,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Nov 20, 2010 | Kowalik 228-1R G-2-265799 | Sugarkane (Eagle Ford) | Marathon Oil EF LLC | Temp Abandoned · shut in Dec 1, 2019 | 11,986 |
| Aug 3, 2010 | Kowalik 228-1R G-2-259927 | Sugarkane (Cretaceous) | Marathon Oil EF LLC | Not on Schedule | — |
Formation tops
As filed on W-2/G-1. Subsea from 473 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Anacacho | 11,448 | -10,975 |
| Anacacho | 11,459 | -10,986 |
| Austin Chalk | 11,602 | -11,129 |
| Austin Chalk | 11,616 | -11,143 |
| Upper EF | 11,757 | -11,284 |
| Upper EF | 11,769 | -11,296 |
| Eagle FordEAGLEFORD | 11,804 | -11,331 |
| Eagle FordEAGLEFORD | 11,815 | -11,342 |
| Buda | 11,945 | -11,472 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 14,280 | 17,444 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 5,995 | 12.25 | 1,440 S |
| 5.5 | 18,128 | 8.5 | 1,292 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 | Jan 9, 2013 | Jul 26, 2011 | Yes |
| 00 | Jun 6, 2011 | Jan 5, 2011 | Yes |
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 42-255-31690 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-255-31690 → 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/25531690, documented in the API reference.