WELL · 42-391-01925 · DISTRICT 2
O Connor L. W. #12
Refugio County · Mary Ellen Oconnor (FS-47 Sand) field · Vertical
O Connor L. W. #12 (API 42-391-01925) is a plugged well in Refugio County, plugged June 17, 2014, last operated by Dewbre Petroleum Corporation.
The RRC has issued 2 drilling permits between 1992 and 2011, permitted to 5,976 ft.
It was permitted by Emerald Oil & Gas LC and has since transferred to Dewbre Petroleum Corporation on the wellbore schedule.
Completion filings report one formation top, including Frio.
Operator of record
Permitted by Emerald Oil & Gas LC; the EWA schedule now lists a different operator.
Corpus Christ, TX · P-5 Y, filed Sep 4, 2025 · 366 permits on file · (361) 888-7978
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Dewbre Petroleum Corporation |
| Production reports | Emerald Oil & Gas LCthrough Mar 2012 |
| Latest permit | Emerald Oil & Gas LCAug 16, 2011 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 5,976
- total depth, ft
- 2
- permits on file
- Aug 16, 2011
- last permit issued
- Aug 19, 1973
- completed
- 0
- cumulative oil, bbl
- 522K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jun 2014
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Aug 19, 1973
- Shut in
- —
- Plugged
- Jun 17, 2014
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 3 leases this well is completed on; they carry 4 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| O'Connor, L. W. G-2-266114 | Mary Ellen Oconnor (D-1) | Emerald Oil & Gas LC | 1 | 0 | 400 | Aug 2011 – Jun 2014 |
| O'Connor, L. W. G-2-142049 | Mary Ellen O'Connor (FS-20) | Emerald Oil & Gas LC | 1 | 0 | 521K | Jan 1993 – Feb 2012 |
| O'Connor, L. W. O-2-4963 | Mary Ellen Oconnor (FS-47 Sand) | Dewbre Petroleum Corporation | 2 | 0 | 0 | Jan 1993 – Dec 1995 |
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.
- 1Pace Oil and Gas CompanyJan 1993 → Dec 1993
- 2Dewbre Petroleum CorporationJan 1994 → Sep 1996
- 3Emerald Oil & Gas LCOct 1996 → Mar 2012
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 722230-99 | Recompletion | Emerald Oil & Gas LC | Aug 12, 2011 | Aug 16, 2011 | Aug 17, 2011 | 4,100 |
| 399553-99 | Recompletion | Pace Oil and Gas Company | May 21, 1992 | May 21, 1992 | Apr 29, 1992 | 5,976 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-2-142049 | — | — | — | — |
| — | — G-2-266114 | — | — | — | — |
| — | — O-2-4963 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,084 | 4,088 | Perforated |
| 5,019 | 5,024 | Perforated |
| 5,148 | 5,154 | Perforated |
| — | 5,820 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,352 | 13.625 | 500 S |
| 9.625 | 1,352 | — | — |
| 5.5 | 5,975 | 8.5 | 500 S |
| 5.5 | 5,975 | — | — |
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 | Feb 12, 2013 | Sep 21, 2011 | — |
| 00 | Sep 25, 1992 | May 26, 1992 | Yes |
| 00 | Aug 26, 1992 | — | — |
| 00 | Jan 12, 1984 | Aug 29, 1973 | — |
| 00 | Jan 12, 1984 | — | — |
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 42-391-01925 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-391-01925 → 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/39101925, documented in the API reference.