WELL · 42-389-36571 · DISTRICT 8
Darlington Unit 11A #3H
Reeves County · Wolfbone (Trend Area) field · Producing · Horizontal
Darlington Unit 11a #3H (API 42-389-36571) is a horizontal well in Reeves County operated by Vtx Energy Operating LLC, completed February 25, 2018 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued November 27, 2017, permitted to 13,000 ft.
It was permitted by Pri Operating, LLC and has since transferred to Vtx Energy Operating LLC on the wellbore schedule.
Completion filings report 8 formation tops, including Bell Canyon, Delaware, Bone Spring, Wolfcamp.
Its lease has reported 886K barrels of oil and 1.41M mcf of gas since June 2015, last reporting in July 2026. The lease carries 2 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Pri Operating, LLC; the EWA schedule now lists a different operator.
Austin, TX · P-5 Y, filed May 4, 2026 · 164 permits on file · (800) 826-8119
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | VTX Energy Operating LLC |
| Production reports | VTX Energy Operating, LLCthrough Apr 2026 |
| Latest permit | Pri Operating, LLCNov 27, 2017 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 13,000
- total depth, ft
- 1
- permits on file
- Nov 27, 2017
- last permit issued
- Feb 25, 2018
- completed
- 886K
- cumulative oil, bbl
- 1.41M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jun 2015 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Feb 25, 2018
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
Surface location
31.289399, -103.248032
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Reeves 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 |
|---|---|---|---|---|---|---|
| Darlington Unit 11A O-10-46920 | Wolfbone (Trend Area) | VTX Energy Operating, LLC | 2 | 886K | 1.41M | Jun 2015 – Jul 2026 |
Oil, barrels lease total
Last 12 months 32,801 · prior 12 30,172(+9%)
Gas, mcf lease total
Last 12 months 67,144 · prior 12 52,632(+28%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Patriot Resources, Inc.Jun 2015 → Jul 2017
- 2Pri Operating, LLCAug 2017 → Aug 2023
- 3VTX Energy Operating, LLCSep 2023 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 833070-99 | Drill | Pri Operating, LLC | Nov 9, 2017 | Nov 27, 2017 | Dec 16, 2017 | 13,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-46920 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,670 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Bell Canyon | 5,074 | -2,404 |
| Delaware | 5,074 | -2,404 |
| Bone SpringBONE SPRINGS | 8,105 | -5,435 |
| Wolfcamp | 10,556 | -7,886 |
| CastileCASTILLE | — | — |
| Cherry Canyon | — | — |
| DelawareDELAWARE CONSOLIDATED GAS | — | — |
| DelawareFORD-DELAWARE | — | — |
| Pennsylvanian | — | — |
| Permian (undifferentiated)PERMIAN | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 11,293 | 18,955 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 1,557 | 17.5 | 1,080 S |
| 9.625 | 10,198 | 12.25 | 1,930 S |
| 5.5 | 18,955 | 8.5 | 3,328 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 | Jun 26, 2018 | May 2, 2018 | 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 42-389-36571 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-389-36571 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward) and the University Lands library. 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.
Darlington Unit 11A42-389-38429
0.1 KM · VTX Energy Operating, LLC · Section with this well →
| Bell Canyon | 5,061 | -2,394 |
| Delaware | 5,061 | -2,394 |
| Cherry Canyon | 5,952 | -3,285 |
| Bone Spring | 8,272 | -5,605 |
| Delaware | — | |
| Wolfcamp | — | |
| Permian (undifferentiated) | — | |
| Pennsylvanian | — |
10 TOPS · FIRST 8
Ranger 14-7 6442-389-41082
0.1 KM · VTX Energy Operating, LLC · Section with this well →
| Bell Canyon | 5,045 | -2,375 |
| Cherry Canyon | 5,920 | -3,250 |
| Bone Spring | 8,987 | -6,317 |
| Bone Spring | 9,224 | -6,554 |
| Bone Spring | 9,665 | -6,995 |
| Delaware | — | |
| Delaware | — | |
| Permian (undifferentiated) | — |
10 TOPS · FIRST 8
Ranger 14-7 3142-389-41081
0.1 KM · VTX Energy Operating, LLC · Section with this well →
| Bell Canyon | 5,025 | -2,355 |
| Cherry Canyon | 5,900 | -3,230 |
| Bone Spring | 8,945 | -6,275 |
| Bone Spring | 9,165 | -6,495 |
| Bone Spring | 9,702 | -7,032 |
| Permian (undifferentiated) | — | |
| Delaware | — | |
| Castile | — |
10 TOPS · FIRST 8
Ranger 14-7 2142-389-41080
0.1 KM · VTX Energy Operating, LLC · Section with this well →
| Bell Canyon | 5,025 | -2,355 |
| Cherry Canyon | 5,900 | -3,230 |
| Bone Spring | 8,930 | -6,260 |
| Bone Spring | 9,109 | -6,439 |
| Bone Spring | 10,353 | -7,683 |
| Delaware | — | |
| Castile | — | |
| Delaware | — |
10 TOPS · FIRST 8
Ranger 14-7 1242-389-41079
0.3 KM · VTX Energy Operating, LLC · Section with this well →
| Bell Canyon | 5,025 | -2,355 |
| Cherry Canyon | 5,900 | -3,230 |
| Bone Spring | 8,930 | -6,260 |
| Bone Spring | 9,109 | -6,439 |
| Bone Spring | 10,341 | -7,671 |
| Delaware | — | |
| Castile | — | |
| Delaware | — |
10 TOPS · FIRST 8
Ranger 14-7 6342-389-41099
0.3 KM · VTX Energy Operating, LLC · Section with this well →
| Bell Canyon | 5,045 | -2,375 |
| Cherry Canyon | 5,920 | -3,250 |
| Bone Spring | 8,924 | -6,254 |
| Bone Spring | 9,129 | -6,459 |
| Bone Spring | 9,452 | -6,782 |
| Castile | — | |
| Delaware | — | |
| Delaware | — |
10 TOPS · FIRST 8
Darlington Unit 11B542-389-36849
0.6 KM · Pri Operating, LLC · Section with this well →
| Bell Canyon | 5,061 | -3,391 |
| Delaware | 5,061 | -3,391 |
| Cherry Canyon | 5,952 | -4,282 |
| Bone Spring | 8,106 | -6,436 |
| Wolfcamp | 10,513 | -8,843 |
| Castile | — | |
| Delaware | — | |
| Devonian | — |
14 TOPS · FIRST 8
Darlington Unit 11B442-389-36848
0.6 KM · Pri Operating, LLC · Section with this well →
| Delaware | 5,060 | -2,361 |
| Bell Canyon | 5,060 | -2,361 |
| Cherry Canyon | 5,950 | -3,251 |
| Bone Spring | 8,130 | -5,431 |
| Wolfcamp | 10,520 | -7,821 |
| Delaware | — | |
| Delaware | — | |
| Pennsylvanian | — |
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/38936571, documented in the API reference.