WELL · 42-391-30521 · DISTRICT 2
EL Oso Cattle Company #16
Refugio County · Woodsboro South (4200) field · Vertical
El Oso Cattle Company #16 (API 42-391-30521) is a plugged well in Refugio County, plugged June 27, 1984, last operated by Dolphin Petroleum LP.
The RRC has issued 2 drilling permits between 1977 and 1982, permitted to 4,300 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 4200, Stray "A", Fq-40.
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 | none |
| Latest permit | Amoco Production CompanyDec 22, 1982 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 4,300
- total depth, ft
- 2
- permits on file
- Dec 22, 1982
- last permit issued
- Dec 29, 1982
- completed
- —
- cumulative oil, bbl
- —
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Dec 29, 1982
- Shut in
- —
- Plugged
- Jun 27, 1984
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 |
|---|---|---|---|---|---|---|
| 181349-99 | Recompletion | Amoco Production Company | Dec 22, 1982 | Dec 22, 1982 | — | 4,300 |
| 1100-99 | Recompletion | Amoco Production Company | Jun 20, 1977 | Jun 20, 1977 | — | 4,300 |
Formation tops
As filed on W-2/G-1. Subsea from 14 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| 4200 | 4,220 | -4,206 |
| Stray "A" | 4,892 | -4,878 |
| FQ-40 | 5,856 | -5,842 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,148 | 4,154 | Perforated |
| 4,148 | 4,195 | Perforated |
| — | 4,892 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,301 | 12.25 | 610 S |
| 2.375 | 4,066 | — | — |
| 5.5 | 6,100 | 8.75 | 920 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 | Apr 4, 1984 | Sep 26, 1983 | — |
| 00 | Jan 12, 1984 | Sep 26, 1983 | — |
| 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 42-391-30521 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-391-30521 → 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/39130521, documented in the API reference.