WELL · 42-391-01921 · DISTRICT 2
O Connor L. W. #5
Refugio County · Mary Ellen Oconnor (FS-75) field · Vertical
O Connor L. W. #5 (API 42-391-01921) is a plugged well in Refugio County, plugged December 20, 2018, last operated by Emerald Oil & Gas LC.
The RRC has issued 2 drilling permits between 1991 and 2011, permitted to 5,365 ft.
Completion filings report 2 formation tops, including N/A, Xx.
Its 4 leases have reported 44.9K barrels of oil and 352K mcf of gas since January 1993, last reporting in July 2026. The leases carry 10 wells, so these are lease totals, not this well alone.
Operator of record
Fort Worth, TX · P-5 Y, filed Jan 5, 2024 · 61 permits on file · (817) 360-1835
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Emerald Oil & Gas LC |
| Production reports | Emerald Oil & Gas LCthrough Dec 2015 |
| Latest permit | Emerald Oil & Gas LCMay 26, 2011 |
- 5,365
- total depth, ft
- 2
- permits on file
- May 26, 2011
- last permit issued
- Jan 28, 1991
- completed
- 44.9K
- cumulative oil, bbl
- 352K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jan 28, 1991
- Shut in
- —
- Plugged
- Dec 20, 2018
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 4 leases this well is completed on; they carry 10 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| O'Connor, L. W. O-2-958 | Mary Ellen Oconnor (FQ-40 Sand) | O'Connor Energy Management, LLC | 7 | 44.9K | 280K | Jan 1993 – Jul 2026 |
| O'Connor, Lawrence W. G-2-263094 | Mary Ellen Oconnor (FS-1) | O'Connor Energy Management, LLC | 1 | 0 | 4.08K | May 2011 – Dec 2018 |
| Oconnor, L. W. G-2-2977 | Mary Ellen Oconnor (D-1) | Emerald Oil & Gas LC | 1 | 0 | 0 | Jan 1993 – Apr 2014 |
| O'Connor, L. W. G-2-137359 | Mary Ellen Oconnor (FS-75) | Emerald Oil & Gas LC | 1 | 0 | 67.2K | Jan 1993 – May 2011 |
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 → Oct 1994
- 3Emerald Oil & Gas LCNov 2006 → Dec 2015
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 717247-99 | Recompletion | Emerald Oil & Gas LC | May 25, 2011 | May 26, 2011 | Apr 6, 2011 | 5,365 |
| 384581-99 | Recompletion | Pace Oil and Gas Company | Feb 12, 1991 | Feb 12, 1991 | Jan 20, 1991 | 5,365 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-2-2977 | — | — | — | — |
| — | — G-2-137359 | — | — | — | — |
| — | — G-2-263094 | — | — | — | — |
| — | — O-2-958 | — | — | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,097 | 4,110 | Perforated |
| 4,931 | 4,936 | Perforated |
| 4,942 | 4,948 | Perforated |
| 5,293 | 5,296 | Perforated |
| 5,300 | 5,309 | Perforated |
| — | 5,813 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 1,344 | 12.25 | — |
| 5.5 | 5,949 | 7.875 | — |
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 | Sep 11, 2014 | Apr 1, 2014 | — |
| 00 | Apr 25, 2012 | Aug 17, 2011 | — |
| 00 | May 16, 1991 | Feb 14, 1991 | Yes |
| 00 | Mar 26, 1991 | — | — |
| 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 42-391-01921 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-391-01921 → 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/39101921, documented in the API reference.