WELL · 42-507-33289 · DISTRICT 1
LLM South #A 1EF
Zavala County · Briscoe Ranch (Eagleford) field · Producing · Horizontal
Llm South #A 1EF (API 42-507-33289) is a horizontal well in Zavala County operated by U.S. Energy Development Corp, completed October 10, 2017 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued March 27, 2017, permitted to 9,000 ft.
Completion filings report 3 formation tops, including Escondido, Austin Chalk, Eagle Ford.
Its lease has reported 1.78M barrels of oil and 2.73M mcf of gas since May 2017, last reporting in July 2026. The lease carries 7 wells, so these are lease totals, not this well alone.
Operator of record
Fort Worth, TX · P-5 Y, filed Jan 5, 2026 · 225 permits on file · (800) 357-9165
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | U.S. Energy Development Corp |
| Production reports | U.S. Energy Development Corpthrough Apr 2026 |
| Latest permit | U.S. Energy Development CorpMar 27, 2017 |
- 9,000
- total depth, ft
- 2
- permits on file
- Mar 27, 2017
- last permit issued
- Oct 10, 2017
- completed
- 1.78M
- cumulative oil, bbl
- 2.73M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · May 2017 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Oct 10, 2017
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
Surface location
28.857175, -99.450772
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Zavala 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 7 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| LLM South O-1-19132 | Briscoe Ranch (Eagleford) | U.S. Energy Development Corp | 7 | 1.78M | 2.73M | May 2017 – Jul 2026 |
Oil, barrels lease total
Last 12 months 93,354 · prior 12 103,918(-10%)
Gas, mcf lease total
Last 12 months 219,130 · prior 12 186,524(+17%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1U.S. Energy Development CorpOct 2017 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 824517-98 | Drill | U.S. Energy Development Corp | Apr 25, 2018 | Mar 27, 2017 | Mar 28, 2017 | 9,000 |
| 824517-99 | Drill | U.S. Energy Development Corp | Mar 15, 2017 | Mar 27, 2017 | May 19, 2017 | 9,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-19132 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 631 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| EscondidoESCONDIDO - DISPOSAL | 2,830 | -2,199 |
| Austin Chalk | 5,073 | -4,442 |
| Eagle FordEAGLEFORD | 5,556 | -4,925 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,311 | 17,071 | Perforated |
| 8,690 | 17,020 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 20 | 80 | 26 | 200 S |
| 20 | 108 | 26 | 200 S |
| 9.625 | 2,854 | 12.25 | 940 S |
| 5.5 | 17,195 | 8.5 | 4,510 S |
| 5.5 | 17,197 | 8.75 | 4,510 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 | Sep 28, 2018 | Jun 28, 2018 | Yes |
| 00 | May 17, 2018 | Oct 4, 2017 | 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 42-507-33289 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-507-33289 → 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.
LLM South B Unit42-507-33314
0.6 KM · U.S. Energy Development Corp · Section with this well →
| Escondido | 2,802 | -2,178 |
| Olmos | 3,784 | -3,160 |
| San Miguel | 4,319 | -3,695 |
| Austin Chalk | 5,017 | -4,393 |
| Eagle Ford | 5,501 | -4,877 |
LLM South B Unit42-507-33315
0.6 KM · U.S. Energy Development Corp · Section with this well →
| Escondido | 2,783 | -2,159 |
| Olmos | 3,759 | -3,135 |
| San Miguel | 4,300 | -3,676 |
| Austin Chalk | 4,987 | -4,363 |
| Eagle Ford | 5,470 | -4,846 |
LLM South42-507-33312
1.2 KM · U.S. Energy Development Corp · Section with this well →
| Escondido | 2,762 | -2,127 |
| Olmos | 3,737 | -3,102 |
| San Miguel | 4,290 | -3,655 |
| Austin Chalk | 4,555 | -3,920 |
| Eagle Ford | 4,965 | -4,330 |
Sola Vaca Norte42-507-33355
1.2 KM · U.S. Energy Development Corp · Section with this well →
| Escondido | 2,898 | -2,280 |
| Olmos | 3,876 | -3,258 |
| San Miguel | 4,437 | -3,819 |
| Anacacho | 4,754 | -4,136 |
| Austin Chalk | 5,160 | -4,542 |
| Eagle Ford | 5,651 | -5,033 |
Sola Vaca Norte42-507-33356
1.2 KM · U.S. Energy Development Corp · Section with this well →
| Escondido | 2,875 | -2,257 |
| Olmos | 3,887 | -3,269 |
| San Miguel | 4,441 | -3,823 |
| Anacacho | 4,755 | -4,137 |
| Austin Chalk | 5,162 | -4,544 |
| Eagle Ford | 5,668 | -5,050 |
LLM South42-507-33313
1.2 KM · U.S. Energy Development Corp · Section with this well →
| Escondido | 2,753 | -2,118 |
| Olmos | 3,725 | -3,090 |
| San Miguel | 4,280 | -3,645 |
| Austin Chalk | 4,932 | -4,297 |
| Eagle Ford | 5,417 | -4,782 |
Sola Vaca Norte42-507-33307
2.2 KM · U.S. Energy Development Corp · Section with this well →
| Escondido | 2,832 | -2,214 |
| Olmos | 3,829 | -3,211 |
| San Miguel | 4,421 | -3,803 |
| Anacacho | 4,668 | -4,050 |
| Austin Chalk | 5,062 | -4,444 |
| Eagle Ford | 5,538 | -4,920 |
Sola Vaca Norte42-507-33308
2.2 KM · U.S. Energy Development Corp · Section with this well →
| Escondido | 2,950 | -2,332 |
| Olmos | 3,842 | -3,224 |
| San Miguel | 4,421 | -3,803 |
| Anacacho | 4,680 | -4,062 |
| Austin Chalk | 5,086 | -4,468 |
| Eagle Ford | 5,565 | -4,947 |
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/50733289, documented in the API reference.