WELL · 42-479-42602 · DISTRICT 4
Rosario Cattle Company #4
Webb County · Cuba Libre (3RD Hinnant) field · Directional
Rosario Cattle Company #4 (API 42-479-42602) is a well in Webb County operated by Blackbeard Operating LLC, completed January 8, 2014.
The RRC has issued one drilling permit, issued October 26, 2013, permitted to 9,500 ft.
It was permitted by Bluestone Natural Res. II, LLC and has since transferred to Blackbeard Operating LLC on the wellbore schedule.
Completion filings report 3 formation tops, including Queen City, Reklaw, Puig.
Its 2 leases have reported 1.02K barrels of oil and 36.7K mcf of gas since January 2014, last reporting in July 2026. The leases carry 2 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Bluestone Natural Res. II, LLC; the EWA schedule now lists a different operator.
- Based in
- Fort Worth, TX
- P-5 status
- Active (A)
- P-5 last filed
- Oct 2, 2025
- Permits on file
- 2,263
- Phone
- (432) 242-0050
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Blackbeard Operating LLC |
| Production reports | Varas Energy Operating Company,through Apr 2026 |
| Latest permit | Bluestone Natural Res. II, LLCOct 26, 2013 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,500
- total depth, ft
- 1
- permits on file
- Oct 26, 2013
- last permit issued
- Jan 8, 2014
- completed
- 1.02K
- cumulative oil, bbl
- 36.7K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 2014 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jan 8, 2014
- 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 2 leases this well is completed on; they carry 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Rosario Cattle Company G-4-282162 | Cuba Libre (3RD Hinnant) | Varas Energy Operating Company, | 1 | 0 | 4.53K | Mar 2017 – Jul 2026 |
| Rosario Cattle Company O-4-13890 | Cuba Libre (3RD Hinnant) | Blackbeard Operating, LLC | 1 | 1.02K | 32.1K | Jan 2014 – Mar 2020 |
Gas, mcf lease total
Last 12 months 595 · prior 12 250(+138%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Bluestone Natural Res. II, LLCJan 2014 → Dec 2019
- 2Blackbeard Operating, LLCJan 2020 → Nov 2020
- 3Hugoton Operating Company, Inc.Dec 2020 → Jul 2024
- 4Varas Energy Operating Company,Jan 2026 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 772151-99 | Drill | Bluestone Natural Res. II, LLC | Oct 21, 2013 | Oct 26, 2013 | Nov 9, 2013 | 9,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-282162 | — | — | — | — |
| — | — O-4-13890 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 830 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Queen City | 5,209 | -4,379 |
| Reklaw | 6,702 | -5,872 |
| Puig | 8,630 | -7,800 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,324 | 8,350 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,250 | 12.25 | 646 S |
| 5.5 | 9,100 | 8.429 | 375 S |
| 5.5 | 9,100 | 8.75 | 375 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 5, 2017 | Apr 11, 2017 | — |
| 00 | Feb 13, 2015 | Feb 27, 2014 | Yes |
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 42-479-42602 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-479-42602 → 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/47942602, documented in the API reference.