TEXAS · WELLS · ZAVALA COUNTY · RANCHO RINCON LEASE · API 42-507-32878 · DISTRICT 01
Rancho Rincon #1
Zavala County · Briscoe Ranch (Eagleford) field · Producing · Vertical
Rancho Rincon #1 (API 42-507-32878) is a well in Zavala County operated by Magnolia Oil & Gas Operating LLC, completed June 25, 2012 and listed as producing on the RRC schedule.
The RRC has issued 2 drilling permits between 2012 and 2013, permitted to 5,911 ft.
It was permitted by Strand Energy, L.C. and has since transferred to Magnolia Oil & Gas Operating LLC on the wellbore schedule.
Completion filings report 3 formation tops, including Austin Chalk, Eagle Ford, Buda.
Its lease has reported 91.9K barrels of oil and 32K mcf of gas since June 2012, last reporting volume in April 2026. The lease carries 2 wells, so these are lease totals, not this well alone.
Operator of record
Magnolia Oil & Gas Operating LLC
Permitted by Strand Energy, L.C.; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- May 6, 2026
- Permits on file
- 617
- Phone
- (713) 842-9050
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Magnolia Oil & Gas Operating LLC |
| Production reports | Magnolia Oil & Gas Operating LLCthrough Apr 2026 |
| Latest permit | Strand Energy, L.C.Jan 14, 2013 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 5,911
- total depth, ft
- 2
- permits on file
- Jan 14, 2013
- last permit issued
- Jun 25, 2012
- completed
- 91.9K
- cumulative oil, bbl
- 32K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jul 2012 THROUGH Apr 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jun 25, 2012
- 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 lease 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 |
|---|---|---|---|---|---|---|
| Rancho Rincon O-1-15940 | Briscoe Ranch (Eagleford) | Magnolia Oil & Gas Operating LLC | 2 | 91.9K | 32K | Jun 2012 – Apr 2026 |
Oil, barrels lease total
Last 12 months 3,089 · prior 12 3,431(-10%)
Gas, mcf lease total
Last 12 months 0 · prior 12 438(-100%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Strand Energy, L.C.Jul 2012 → Oct 2021
- 2FX Energy Operating, LLCNov 2021 → Apr 2024
- 3Magnolia Oil & Gas Operating LLCMay 2024 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 754328-99 | Recompletion | Strand Energy, L.C. | Jan 8, 2013 | Jan 14, 2013 | — | 5,900 |
| 735560-99 | Drill | Strand Energy, L.C. | Mar 7, 2012 | Mar 20, 2012 | Mar 28, 2012 | 5,900 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Jun 25, 2012 | Rancho Rincon O-1-15940 | Briscoe Ranch (Eagleford) | Magnolia Oil & Gas Operating LLC | Producing | 5,911 |
Formation tops
As filed on W-2/G-1. Subsea from 620 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Austin ChalkTOP OF AUSTIN CHALK | 4,186 | -3,566 |
| Eagle FordTOP OF EAGLEFORD | 5,347 | -4,727 |
| BudaTOP OF BUDA | 5,540 | -4,920 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,438 | 5,459 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 801 | 12.25 | 350 S |
| 5.5 | 5,889 | 7.875 | 435 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →
| Suffix | RRC record date | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Aug 15, 2012 | Jul 13, 2012 | Yes |
Well logs
1 log loaded from the RRC's log index, the latest received May 7, 2015. Density, Neutron, Resistivity. These are the logs loaded into Petrora from the Railroad Commission's inventories, not necessarily every log run on the well. The RRC holds the files; each opens from its log search for the well. The kind is the RRC's description of the log; the interval is the one filed for it.
Open the RRC's log search for this well ↗| Logas described | Files | Intervalft, as filed | Datereceived | SizeMB |
|---|---|---|---|---|
| COMBINATION: RESISTIVITY/NEUTRON/DENSITY POROSITYSpans Austin Chalk, Eagle Ford, Buda | TIFF | 801 to 5,912 | May 7, 2015run Apr 17, 2012 | 6.51 |
"Spans" is by this well's own filed formation tops: a formation runs from its top to the next deeper top filed, and the deepest runs to the bottom of the log. Depths are measured along the wellbore, so on a horizontal the lateral counts in the formation it was landed in.
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 42-507-32878 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-507-32878 → scanned completion filings
The logs loaded for this well are under Well logs, with the RRC's log search for it.
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/50732878, documented in the API reference.