TEXAS · WELLS · WEBB COUNTY · API 42-479-36729 · DISTRICT 04
Rosario Cattle Co. #1
Webb County · Cuba Libre Deep (Wilcox) field · Producing · Vertical
Rosario Cattle CO. #1 (API 42-479-36729) is a well in Webb County operated by Varas Energy Operating Company, completed December 25, 1997 and listed as producing on the RRC schedule, shut in November 1, 2015.
The RRC has issued 2 drilling permits (amended once) between 1997 and 1998, permitted to 16,005 ft.
It was permitted by Transtexas Gas Corporation and has since transferred to Varas Energy Operating Company on the wellbore schedule.
Completion filings report 3 formation tops, including First Hinnant, Third Hinnant, Puig.
No lease production has been reported under this well’s leases.
Operator of record
Varas Energy Operating Company
Permitted by Transtexas Gas Corporation; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Active (A)
- P-5 last filed
- Dec 9, 2025
- Phone
- (713) 858-3002
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Varas Energy Operating Company |
| Production reports | Hugoton Operating Company, Inc.through Mar 2023 |
| Latest permit | Transtexas Gas CorporationMar 2, 1998 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 16,005
- total depth, ft
- 3
- permits on file
- Mar 2, 1998
- last permit issued
- Dec 25, 1997
- completed
- 0
- cumulative oil, bbl
- 237K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Dec 1997 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Dec 25, 1997
- Shut in
- Nov 1, 2015
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
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 Co. G-4-168265 | Cuba Libre, Deep (Wilcox) | Varas Energy Operating Company, | 1 | 0 | 194K | Dec 1997 – Jul 2026 |
| Rosario Cattle Co. G-4-168266 | Cuba Libre (Middle Wilcox) | Varas Energy Operating Company, | 1 | 0 | 43.2K | Feb 1998 – Jul 2026 |
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.
- 1Transtexas Gas CorporationDec 1997 → Nov 1998
- 2Cody Energy, Inc.Dec 1998 → Jan 1999
- 3Cody Energy LLCFeb 1999 → Sep 2012
- 4Bluestone Natural Res. II, LLCOct 2012 → Oct 2015
- 5Hugoton Operating Company, Inc.Mar 2023 → Mar 2023
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 473896-99 | Recompletion | Transtexas Gas Corporation | Mar 2, 1998 | Mar 2, 1998 | Jan 25, 1998 | 16,000 |
| 465369-98 | Drill | Transtexas Gas Corporation | Jan 20, 1998 | Jul 24, 1997 | Jul 28, 1997 | 16,000 |
| 465369-99 | Drill | Transtexas Gas Corporation | Jul 24, 1997 | Jul 24, 1997 | — | 16,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Feb 7, 1998 | Rosario Cattle Co. G-4-168266 | Cuba Libre (Middle Wilcox) | Varas Energy Operating Company | Shut In-Multi-Compl · shut in Oct 1, 2000 | 16,005 |
| Dec 25, 1997 | Rosario Cattle Co. G-4-168265 | Cuba Libre Deep (Wilcox) | Varas Energy Operating Company | Producing · shut in Nov 1, 2015 | 16,005 |
Formation tops
As filed on W-2/G-1. Subsea from 825 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| First Hinnant | 8,115 | -7,290 |
| Third Hinnant | 8,710 | -7,885 |
| Puig | 8,930 | -8,105 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 12,734 | 12,742 | Perforated |
| 14,417 | 14,947 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 1,245 | 17.5 | 1,236 S |
| 9.625 | 9,178 | 12.25 | 500 S |
| 4.5 | 16,003 | 6.5 | 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 26, 1998 | Jan 20, 1998 | Yes |
| 00 | Jun 25, 1998 | Mar 26, 1998 | Yes |
| 00 | Jun 9, 1998 | — | 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 42-479-36729 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-479-36729 → 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/47936729, documented in the API reference.