WELL · 42-371-39384 · DISTRICT 8
McCombs State 1-12 #2H
Pecos County · Hoefs T-K (Wolfcamp) field · Producing · Horizontal
Mccombs State 1-12 #2H (API 42-371-39384) is a horizontal well in Pecos County operated by Diamondback E&P LLC, completed July 16, 2022 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued January 6, 2016, permitted to 21,000 ft.
It was permitted by Brigham Resources Operating, LLC and has since transferred to Diamondback E&P LLC on the wellbore schedule.
Completion filings report 10 formation tops, including Rustler, Glorieta, Grayburg, O'Brien.
Its lease has reported 766K barrels of oil and 4.6M mcf of gas since August 2014, last reporting in July 2026. The lease carries 4 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Brigham Resources Operating, LLC; the EWA schedule now lists a different operator.
Midland, TX · P-5 Y, filed Mar 4, 2026 · 5,237 permits on file · (855) 247-5920
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Diamondback E&P LLC |
| Production reports | Diamondback E&P LLCthrough Apr 2026 |
| Latest permit | Brigham Resources Operating, LLCJan 6, 2016 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 21,000
- total depth, ft
- 1
- permits on file
- Jan 6, 2016
- last permit issued
- Jul 16, 2022
- completed
- 766K
- cumulative oil, bbl
- 4.6M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Aug 2014 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jul 16, 2022
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: X
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 4 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| McCombs State 1-12 O-10-46234 | Hoefs T-K (Wolfcamp) | Diamondback E&P LLC | 4 | 766K | 4.6M | Aug 2014 – Jul 2026 |
Gas, mcf lease total
Last 12 months 376,348 · prior 12 273,212(+38%)
Oil, barrels lease total
Last 12 months 24,787 · prior 12 35,051(-29%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Brigham Resources Operating, LLCAug 2014 → Feb 2017
- 2Diamondback E&P LLCMar 2017 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 813019-99 | Drill | Brigham Resources Operating, LLC | Jan 6, 2016 | Jan 6, 2016 | Jan 21, 2016 | 21,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-46234 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,842 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,633 | 20,291 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 5,362 | 12.25 | 870 S |
| 7 | 10,832 | 8.75 | 545 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 4, 2022 | Aug 30, 2022 | — |
| 00 | Dec 18, 2017 | Aug 21, 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 42-371-39384 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-371-39384 → 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.
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/37139384, documented in the API reference.