TEXAS · WELLS · ZAPATA COUNTY · API 42-505-36436 · DISTRICT 04
Ranchito Tank GU #3
Zapata County · Exsun (Lobo Cons.) field · Producing · Vertical
Ranchito Tank GU #3 (API 42-505-36436) is a well in Zapata County operated by Varas Energy Operating Company, completed May 12, 2010 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued May 8, 2009, permitted to 11,990 ft.
It was permitted by Eog Resources, Inc. and has since transferred to Varas Energy Operating Company on the wellbore schedule.
Completion filings report 3 formation tops, including Yegua, Queen City, Wilcox.
No lease production has been reported under this well’s leases.
Operator of record
Varas Energy Operating Company
Permitted by EOG Resources, Inc.; 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 | Varas Energy Operating Company,through Apr 2026 |
| Latest permit | EOG Resources, Inc.May 8, 2009 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 11,990
- total depth, ft
- 2
- permits on file
- May 8, 2009
- last permit issued
- May 12, 2010
- completed
- 0
- cumulative oil, bbl
- 838K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Aug 2009 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- May 12, 2010
- Shut in
- —
- 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 |
|---|---|---|---|---|---|---|
| Ranchito Tank GU G-4-250836 | Exsun (Lobo Cons.) | Varas Energy Operating Company, | 1 | 0 | 838K | Aug 2009 – Jul 2026 |
| Ranchito Tank GU G-4-253867 | Roleta (Wilcox Consolidated) | EOG Resources, Inc. | 1 | 0 | 0 | Oct 2009 – Jul 2026 |
Gas, mcf lease total
Last 12 months 19,574 · prior 12 11,226(+74%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1EOG Resources, Inc.Aug 2009 → Jul 2013
- 2Bluestone Natural Res. II, LLCAug 2013 → Dec 2019
- 3Blackbeard Operating, LLCJan 2020 → Nov 2020
- 4Hugoton Operating Company, Inc.Dec 2020 → Dec 2024
- 5Varas Energy Operating Company,Jan 2025 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 681097-98 | Drill | EOG Resources, Inc. | Jun 30, 2009 | May 8, 2009 | May 27, 2009 | 12,000 |
| 681097-99 | Drill | EOG Resources, Inc. | May 8, 2009 | May 8, 2009 | — | 12,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| May 12, 2010 | Ranchito Tank GU G-4-250836 | Exsun (Lobo Cons.) | Varas Energy Operating Company | Producing | 11,990 |
| Oct 22, 2009 | Ranchito Tank GU G-4-253867 | Roleta (Wilcox Consolidated) | EOG Resources Inc. | SWR-10-Well · shut in Oct 1, 2009 | 11,990 |
Formation tops
As filed on W-2/G-1. Subsea from 390 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Yegua | 1,475 | -1,085 |
| Queen City | 2,075 | -1,685 |
| Wilcox | 5,130 | -4,740 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,502 | 8,598 | Perforated |
| 8,502 | 11,177 | Perforated |
| 10,892 | 10,940 | Perforated |
| 10,892 | 11,177 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 585 | 12.25 | 240 S |
| 7 | 7,395 | 8.75 | 475 S |
| 4.5 | 11,990 | 6.25 | 1,010 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 | Aug 24, 2010 | Aug 2, 2010 | — |
| 00 | Mar 2, 2010 | Dec 30, 2009 | — |
| 00 | Feb 17, 2010 | Dec 30, 2009 | — |
| 00 | Jan 6, 2010 | — | — |
| 00 | Oct 15, 2009 | Sep 3, 2009 | Yes |
| 00 | Sep 15, 2009 | — | — |
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 42-505-36436 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-505-36436 → 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/50536436, documented in the API reference.