WELL · 42-349-34665 · DISTRICT 5
Eugenia Cerf #1B
Navarro County · Corsicana (Shallow) field · Vertical
Eugenia Cerf #1B (API 42-349-34665) is a well in Navarro County operated by Thurston Texas Operating CO LLC, completed February 25, 2004.
The RRC has issued one drilling permit, issued October 7, 2002, permitted to 2,200 ft.
It was permitted by Reilly, K. L. and has since transferred to Thurston Texas Operating CO LLC on the wellbore schedule.
Completion filings report 3 formation tops, including Macatoch, Pecan Gap, Wolf City.
Its 2 leases have reported 20K barrels of oil since November 2001, last reporting in July 2026. The leases carry 7 wells, so these are lease totals, not this well alone.
Operator of record
Thurston Texas Operating Co LLC
Permitted by Reilly, K. L.; the EWA schedule now lists a different operator.
Dallas, TX · P-5 Y, filed Dec 6, 2024 · 10 permits on file · (214) 669-8655
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Thurston Texas Operating Co LLC |
| Production reports | Iskandia Energy Operating, Inc.through Dec 2017 |
| Latest permit | Reilly, K. L.Oct 7, 2002 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 2,200
- total depth, ft
- 1
- permits on file
- Oct 7, 2002
- last permit issued
- Feb 25, 2004
- completed
- 20K
- cumulative oil, bbl
- 0
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Nov 2001 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Feb 25, 2004
- Shut in
- —
- Plugged
- —
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 7 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Cerf, Eugenia O-5-3726 | Corsicana (Shallow) | KO Operating LLC | 6 | 20K | 0 | Nov 2001 – Jul 2026 |
| Eugenia Cerf O-5-3992 | Corsicana (Shallow) | Thurston Texas Operating Co LLC | 1 | 0 | 0 | Mar 2013 – May 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.
- 1Reilly, K. L.Nov 2001 → Nov 2004
- 2Corsicana Oil & GasJan 2005 → Sep 2012
- 3Thurston Texas Operating Co LLCOct 2012 → Jun 2015
- 4Iskandia Energy Operating, Inc.Dec 2017 → Dec 2017
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 524404-99 | Drill | Reilly, K. L. | Oct 7, 2002 | Oct 7, 2002 | Oct 17, 2002 | 2,200 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-5-3726 | — | — | — | — |
| — | — O-5-3992 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 430 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Macatoch | 1,040 | -610 |
| Pecan Gap | 1,170 | -740 |
| Wolf City | 2,050 | -1,620 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 2,100 | 2,110 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 105 | 11 | 50 S |
| 4.5 | 2,204 | 7.875 | 170 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 | May 8, 2013 | Mar 4, 2004 | Yes |
| 00 | Mar 8, 2013 | Mar 4, 2004 | Yes |
| 00 | Apr 2, 2004 | Mar 4, 2004 | Yes |
| 00 | Mar 11, 2004 | — | — |
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 42-349-34665 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-349-34665 → 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/34934665, documented in the API reference.