WELL · 42-163-34339 · DISTRICT 1
Darlene 1-STX #N731HP
Frio County · Indio Tanks (Pearsall) field · Producing · Horizontal
Darlene 1-Stx #N731HP (API 42-163-34339) is a horizontal well in Frio County operated by Formentera Operations LLC, completed January 27, 2025 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended twice), issued June 28, 2024, permitted to 10,800 ft.
Completion filings report 22 formation tops, including Wilcox, Midway, Escondido, Navarro.
Its lease has reported 137K barrels of oil and 708K mcf of gas since August 2024, last reporting in July 2026.
Operator of record
Austin, TX · P-5 Y, filed May 4, 2026 · 90 permits on file · (844) 509-5768
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Formentera Operations LLC |
| Production reports | Formentera Operations LLCthrough Mar 2026 |
| Latest permit | Formentera Operations LLCJun 28, 2024 |
- 10,800
- total depth, ft
- 3
- permits on file
- Jun 28, 2024
- last permit issued
- Jan 27, 2025
- completed
- 137K
- cumulative oil, bbl
- 708K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Aug 2024 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jan 27, 2025
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: X
Surface location
28.788888, -99.003519
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Frio 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; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Darlene 1-STX O-1-21467 | Indio Tanks (Pearsall) | Formentera Operations LLC | 1 | 137K | 708K | Aug 2024 – Jul 2026 |
Oil, barrels lease total
Last 12 months 68,956 · prior 12 68,197(+1%)
Gas, mcf lease total
Last 12 months 489,049 · prior 12 218,842(+123%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Formentera Operations LLCJan 2025 → Mar 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 900824-97 | Drill | Formentera Operations LLC | Oct 12, 2024 | Jun 28, 2024 | Jul 14, 2024 | 10,800 |
| 900824-98 | Drill | Britanco, L.L.C. | Aug 21, 2024 | Jun 28, 2024 | Jul 14, 2024 | 10,800 |
| 900824-99 | Drill | Britanco, L.L.C. | Jun 25, 2024 | Jun 28, 2024 | Jul 14, 2024 | 10,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-21467 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 636 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Wilcox | 1,016 | -380 |
| Midway | 3,467 | -2,831 |
| Escondido | 3,729 | -3,093 |
| Navarro | 4,045 | -3,409 |
| Olmos | 4,860 | -4,224 |
| San Miguel | 5,261 | -4,625 |
| Acho Unc | 5,743 | -5,107 |
| Anacacho | 6,106 | -5,470 |
| Austin ChalkAUSTIN CHALK - H2S | 6,497 | -5,861 |
| Eagle Ford | 6,871 | -6,235 |
| Eagle FordEAGLE FORD - H2S | 6,871 | -6,235 |
| Buda | 7,018 | -6,382 |
| BudaBUDA - H2S | 7,018 | -6,382 |
| Del Rio | 7,127 | -6,491 |
| Georgetown | 7,206 | -6,570 |
| GeorgetownGEORGETOWN - H2S | 7,206 | -6,570 |
| Edwards | 7,636 | -7,000 |
| Glen Rose | 8,095 | -7,459 |
| Pearsall | 9,893 | -9,257 |
| Pearsall | 9,900 | -9,264 |
| Bexar | 10,012 | -9,376 |
| Middle Bexar | 10,103 | -9,467 |
| Lower Bexar | 10,195 | -9,559 |
| Cow Creek | 10,365 | -9,729 |
| Pine Island | 10,439 | -9,803 |
| Queen City | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,656 | 19,876 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 3,577 | 17.5 | 2,240 S |
| 9.625 | 9,807 | 12.25 | 670 S |
| 5.5 | 19,858 | 8.5 | 3,115 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 | Dec 3, 2025 | Nov 17, 2025 | — |
| 00 | Apr 28, 2025 | Apr 16, 2025 | Yes |
| 00 | Oct 22, 2024 | Oct 11, 2024 | — |
| 00 | Sep 5, 2024 | Aug 14, 2024 | 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 42-163-34339 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-163-34339 → 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.
Hurrikain Cat I-STX42-163-34342
0.0 KM · Formentera Operations LLC · Section with this well →
| Wilcox | 1,046 | -409 |
| Midway | 3,579 | -2,942 |
| Escondido | 3,732 | -3,095 |
| Navarro | 4,039 | -3,402 |
| Olmos | 4,843 | -4,206 |
| San Miguel | 5,264 | -4,627 |
| Anacacho | 6,095 | -5,458 |
| Austin Chalk | 6,452 | -5,815 |
10 TOPS · FIRST 8
Mello 308-STX42-163-34346
1.5 KM · Formentera Operations LLC · Section with this well →
| Wilcox | 1,330 | -699 |
| Midway | 3,510 | -2,879 |
| Escondido | 3,785 | -3,154 |
| Navarro | 3,940 | -3,309 |
| Olmos | 4,815 | -4,184 |
| Anacacho | — | |
| Austin Chalk | — | |
| Buda | — |
10 TOPS · FIRST 8
Wrangler-STX-Unit42-163-34380
3.9 KM · Formentera Operations LLC · Section with this well →
| Wilcox | 1,410 | -781 |
| Midway | 3,240 | -2,611 |
| Escondido | 3,652 | -3,023 |
| Navarro | 3,815 | -3,186 |
| Olmos | 4,650 | -4,021 |
| San Miguel | 5,163 | -4,534 |
| Anacacho | 5,790 | -5,161 |
| Austin Chalk | 6,096 | -5,467 |
10 TOPS · FIRST 8
Wrangler-STX-Unit42-163-34381
3.9 KM · Formentera Operations LLC · Section with this well →
| Wilcox | 1,410 | -782 |
| Midway | 3,245 | -2,617 |
| Escondido | 3,647 | -3,019 |
| Navarro | 3,817 | -3,189 |
| Olmos | 4,656 | -4,028 |
| San Miguel | 5,176 | -4,548 |
| Anacacho | 5,804 | -5,176 |
| Austin Chalk | 6,111 | -5,483 |
10 TOPS · FIRST 8
Wrangler-STX-Unit42-163-34382
3.9 KM · Formentera Operations LLC · Section with this well →
| Escondido | 3,655 | -3,027 |
| Navarro | 3,825 | -3,197 |
| Olmos | 4,667 | -4,039 |
| Anacacho | 5,821 | -5,193 |
| Austin Chalk | 6,140 | -5,512 |
| Buda | 6,647 | -6,019 |
| Eagle Ford | 6,758 | -6,130 |
| Georgetown | 6,834 | -6,206 |
10 TOPS · FIRST 8
Revival-STX-Unit-A42-163-34388
4.1 KM · Formentera Operations LLC · Section with this well →
| Wilcox | 1,366 | -757 |
| Midway | 3,193 | -2,584 |
| Escondido | 3,603 | -2,994 |
| Navarro | 3,768 | -3,159 |
| San Miguel | 5,106 | -4,497 |
| Del Rio | 6,664 | -6,055 |
| Edwards | 7,191 | -6,582 |
| Glen Rose | 7,785 | -7,176 |
10 TOPS · FIRST 8
Revival-STX-Unit-A42-163-34387
4.1 KM · Formentera Operations LLC · Section with this well →
| Escondido | 3,601 | -2,992 |
| Navarro | 3,751 | -3,142 |
| Olmos | 4,592 | -3,983 |
| Anacacho | 5,727 | -5,118 |
| Austin Chalk | 6,034 | -5,425 |
| Eagle Ford | 6,418 | -5,809 |
| Buda | 6,546 | -5,937 |
| Georgetown | 6,734 | -6,125 |
10 TOPS · FIRST 8
Revival-STX-Unit-B42-163-34389
4.1 KM · Formentera Operations LLC · Section with this well →
| Wilcox | 1,366 | -757 |
| Midway | 3,193 | -2,584 |
| Escondido | 3,603 | -2,994 |
| Navarro | 3,764 | -3,155 |
| San Miguel | 5,106 | -4,497 |
| Del Rio | 6,652 | -6,043 |
| Edwards | 7,155 | -6,546 |
| Glen Rose | 7,763 | -7,154 |
10 TOPS · FIRST 8
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/16334339, documented in the API reference.