WELL · 42-391-31252 · DISTRICT 2
Oconnor Mary Ellen #53
Refugio County · Mary Ellen Oconnor (5000) field · Vertical
Oconnor Mary Ellen #53 (API 42-391-31252) is a plugged well in Refugio County, plugged May 31, 2022, last operated by Dolphin Petroleum LP.
The RRC has issued 3 drilling permits between 1978 and 1988, permitted to 6,400 ft.
It was permitted by Amoco Production Company and has since transferred to Dolphin Petroleum LP on the wellbore schedule.
Completion filings report 3 formation tops, including Stray A, 5000, Fq-9c.
Operator of record
Permitted by Amoco Production Company; the EWA schedule now lists a different operator.
Alice, TX · P-5 Y, filed May 29, 2025 · (361) 290-5678
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Dolphin Petroleum LP |
| Production reports | Dolphin Petroleum, LPthrough Jul 2016 |
| Latest permit | Amoco Production CompanyAug 8, 1988 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 6,400
- total depth, ft
- 3
- permits on file
- Aug 8, 1988
- last permit issued
- Oct 6, 1988
- completed
- 0
- cumulative oil, bbl
- 7.58K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH May 2022
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Oct 6, 1988
- Shut in
- —
- Plugged
- May 31, 2022
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, Mary Ellen G-2-130673 | Mary Ellen Oconnor (5000) | Dolphin Petroleum, LP | 1 | 0 | 7.58K | Jan 1993 – May 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.
- 1Dolphin Petroleum, LPFeb 2011 → Jul 2016
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 349735-99 | Recompletion | Amoco Production Company | Aug 4, 1988 | Aug 8, 1988 | — | 6,400 |
| 199787-99 | Recompletion | Amoco Production Company | Jun 28, 1983 | Jun 28, 1983 | — | 6,000 |
| 22169-99 | Drill | Amoco Production Company | Apr 14, 1978 | Apr 14, 1978 | May 30, 1978 | 6,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-2-130673 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 15 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Stray A | 4,892 | -4,877 |
| 5000 | 5,008 | -4,993 |
| FQ-9C | 5,723 | -5,708 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,962 | 4,972 | Perforated |
| 5,462 | 5,468 | Perforated |
| 5,898 | 5,956 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 1,233 | 14.75 | 750 S |
| 10.75 | 1,233 | — | 750 S |
| 2.375 | 5,793 | — | — |
| 2.375 | 5,794 | — | — |
| 7 | 6,000 | 9.625 | 275 S |
| 7 | 6,000 | — | 325 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 | Jun 29, 1989 | May 2, 1989 | Yes |
| 00 | May 25, 1989 | — | — |
| 00 | Jan 12, 1984 | Jul 25, 1983 | — |
| 00 | Jan 12, 1984 | Jul 3, 1978 | — |
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 42-391-31252 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-391-31252 → 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/39131252, documented in the API reference.