WELL · 42-391-01852 · DISTRICT 2
Mary Ellen O'Connor #21
Refugio County · Vertical
Mary Ellen O'Connor #21 (API 42-391-01852) is a permitted well in Refugio County filed by Citation Oil & Gas Corp.; no completion report is on file yet.
The RRC has issued one drilling permit, issued May 11, 2005, permitted to 5,600 ft.
Operator of record
- Based in
- Houston, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- May 27, 2026
- Permits on file
- 866
- Phone
- (281) 891-1000
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | Dolphin Petroleum, LPthrough Dec 2015 |
| Latest permit | Citation Oil & Gas Corp.May 11, 2005 |
- 5,600
- total depth, ft
- 1
- permits on file
- May 11, 2005
- last permit issued
- —
- completed
- 0
- cumulative oil, bbl
- 34.8K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Oct 2022
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- —
- 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 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 |
|---|---|---|---|---|---|---|
| Oconnor, M. E. G-2-45119 | Mary Ellen Oconnor (FS-1) | Dolphin Petroleum, LP | 1 | 0 | 34.8K | Jan 1993 – Oct 2022 |
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.
- 1Citation Oil & Gas Corp.Aug 2005 → Aug 2006
- 2Dolphin PetroleumSep 2006 → Jun 2008
- 3Dolphin Petroleum, LPJul 2008 → Dec 2015
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 600504-99 | Recompletion | Citation Oil & Gas Corp. | May 10, 2005 | May 11, 2005 | — | 5,600 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-2-45119 | — | — | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,910 | 4,930 | Perforated |
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 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 42-391-01852 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-391-01852 → 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/39101852, documented in the API reference.