WELL · 42-427-34539 · DISTRICT 4
Lago #1
Starr County · Vertical
Lago #1 (API 42-427-34539) is a permitted well in Starr County filed by Rlu Operating, LLC; no completion report is on file yet.
The RRC has issued 2 drilling permits between 2011 and 2017, permitted to 4,800 ft.
Completion filings report one formation top, including Queen City.
Its lease has reported 199K barrels of oil and 671K mcf of gas since April 2011, last reporting in July 2026. The lease carries 2 wells, so these are lease totals, not this well alone.
Operator of record
Devine, TX · P-5 Y, filed Jul 4, 2026 · 75 permits on file · (210) 394-5147
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | Mortimer Production Companythrough Apr 2026 |
| Latest permit | Rlu Operating, LLCJul 7, 2017 |
- 4,800
- total depth, ft
- 2
- permits on file
- Jul 7, 2017
- last permit issued
- —
- completed
- 199K
- cumulative oil, bbl
- 671K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Apr 2011 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- —
- Shut in
- —
- Plugged
- —
Surface location
26.644437, -98.992530
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Starr County.
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 |
|---|---|---|---|---|---|---|
| Lago O-4-13722 | Pedernal (Queen City) | Mortimer Production Company | 2 | 199K | 671K | Apr 2011 – Jul 2026 |
Oil, barrels lease total
Last 12 months 5,959 · prior 12 8,444(-29%)
Gas, mcf lease total
Last 12 months 22,121 · prior 12 25,383(-13%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Rlu Operating, LLCApr 2011 → Dec 2019
- 2Mortimer Production CompanyJan 2020 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 828190-99 | Recompletion | Rlu Operating, LLC | Jun 26, 2017 | Jul 7, 2017 | — | 4,800 |
| 708545-99 | Drill | Rlu Operating, LLC | Jan 14, 2011 | Jan 25, 2011 | Mar 25, 2011 | 4,800 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-4-13722 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 364 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Queen City | 4,462 | -4,098 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,462 | 4,466 | Perforated |
| 4,468 | 4,480 | Perforated |
| 4,482 | 4,484 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 522 | 12.25 | 270 S |
| 4.5 | 4,810 | 7.875 | 430 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 | Oct 24, 2012 | Mar 8, 2012 | 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 42-427-34539 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-427-34539 → 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.
Nearby wells and their tops
NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM
Draw a cross-section
This well's tops beside its 5 nearest neighbours, subsea-aligned so they line up regardless of surface terrain.
Plains Capital42-427-34804
0.4 KM · Mortimer Production Company · Section with this well →
| Yegua | 820 | -443 |
| Cook Mountain | 3,360 | -2,983 |
| Queen City | 4,235 | -3,858 |
| Queen City | — | |
| Catahoula | — | |
| Catahoula | — | |
| Jackson | — | |
| Miocene (undifferentiated) | — |
10 TOPS · FIRST 8
Plains Capital42-427-34793
0.7 KM · Mortimer Production Company · Section with this well →
| Yegua | 795 | -429 |
| Cook Mountain | 3,308 | -2,942 |
| Queen City | 4,170 | -3,804 |
| Jackson | — | |
| Catahoula | — | |
| Catahoula | — | |
| Queen City | — | |
| Vicksburg | — |
10 TOPS · FIRST 8
Gutierrez Unit 342-427-34803
1.3 KM · Mortimer Production Company · Section with this well →
| Yegua | 890 | -520 |
| Cook Mountain | 3,385 | -3,015 |
| Queen City | 4,190 | -3,820 |
| Catahoula | — | |
| Wilcox | — | |
| Vicksburg | — | |
| Queen City | — | |
| Miocene (undifferentiated) | — |
10 TOPS · FIRST 8
Gutierrez42-427-34795
1.7 KM · Mortimer Production Company · Section with this well →
| Yegua | 795 | -412 |
| Cook Mountain | 3,308 | -2,925 |
| Queen City | 4,170 | -3,787 |
| Wilcox | — | |
| Vicksburg | — | |
| Miocene (undifferentiated) | — | |
| Jackson | — | |
| Catahoula | — |
9 TOPS · FIRST 8
Una de Gato42-427-34796
8.5 KM · Howitzer Operating, LLC · Section with this well →
| Yegua | 1,495 | -1,161 |
| Cook Mountain | 3,264 | -2,930 |
| Catahoula | — | |
| Catahoula | — | |
| Jackson | — | |
| Miocene (undifferentiated) | — | |
| Vicksburg | — | |
| Wilcox | — |
9 TOPS · FIRST 8
Elliot42-427-34799
9.2 KM · TAM2 Squared Operating, LLC · Section with this well →
| Frio | 1,512 | -1,151 |
| Yegua | 1,764 | -1,403 |
| Catahoula | — | |
| Catahoula | — | |
| Cook Mountain | — | |
| Jackson | — | |
| Miocene (undifferentiated) | — | |
| Queen City | — |
10 TOPS · FIRST 8
Hal Lopeno42-505-36610
13.3 KM · Bluestone Natural Res. II, LLC · Section with this well →
| Cook Mountain | 819 | -462 |
| Queen City | 2,154 | -1,797 |
| Yegua | — | |
| Jackson | — | |
| Miocene (undifferentiated) | — | |
| Wilcox | — |
Hal Lopeno42-505-36609
13.5 KM · Bluestone Natural Res. II, LLC · Section with this well →
| Cook Mountain | 829 | -498 |
| Queen City | 2,170 | -1,839 |
| Miocene (undifferentiated) | — | |
| Jackson | — | |
| Wilcox | — | |
| Yegua | — |
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/42734539, documented in the API reference.