TEXAS · WELLS · REFUGIO COUNTY · API 42-391-31220 · DISTRICT 02
El Oso Cattle Company #28
Refugio County · Mary Ellen Oconnor (Stray A) field · Vertical
El Oso Cattle Company #28 (API 42-391-31220) is a plugged well in Refugio County, plugged July 25, 2022, last operated by Dolphin Petroleum LP.
The RRC has issued 4 drilling permits between 1978 and 1986, permitted to 8,500 ft.
It was permitted by Amoco Production Company and has since transferred to Dolphin Petroleum LP on the wellbore schedule.
Operator of record
Permitted by Amoco Production Company; the EWA schedule now lists a different operator.
- Based in
- Alice, TX
- P-5 status
- Delinquent (D)
- P-5 last filed
- May 29, 2025
- Phone
- (361) 290-5678
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Dolphin Petroleum LP |
| Production reports | none |
| Latest permit | Amoco Production CompanyOct 30, 1986 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,500
- total depth, ft
- 4
- permits on file
- Oct 30, 1986
- last permit issued
- Apr 8, 1987
- completed
- —
- cumulative oil, bbl
- —
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Apr 8, 1987
- Shut in
- —
- Plugged
- Jul 25, 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.
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 322457-99 | Recompletion | Amoco Production Company | Oct 30, 1986 | Oct 30, 1986 | — | 8,500 |
| 241668-99 | Recompletion | Amoco Production Company | Apr 26, 1984 | Jun 7, 1984 | — | 8,500 |
| 204103-99 | Recompletion | Amoco Production Company | Aug 3, 1983 | Aug 3, 1983 | — | 8,500 |
| 17401-99 | Drill | Amoco Production Company | Jan 24, 1978 | Jan 24, 1978 | — | 8,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Apr 8, 1987 | El Oso Cattle Company O-2-5415 | Mary Ellen Oconnor (Stray A) | Dolphin Petroleum LP | Plugged | — |
| Apr 8, 1987 | El Oso Cattle Company O-2-5415 | Mary Ellen Oconnor (Stray A) | Dolphin Petroleum LP | Plugged | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,237 | 4,247 | Perforated |
| 5,897 | 5,904 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,330 | 12.5 | 1,520 S |
| 2.875 | 5,787 | — | — |
| 5.5 | 8,500 | 8.75 | 750 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, 1987 | Jun 1, 1987 | Yes |
| 00 | Jan 12, 1984 | Jun 1, 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 42-391-31220 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-391-31220 → 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/39131220, documented in the API reference.