WELL · 42-371-40010 · DISTRICT 8
Challenger 228-512 Unit #1WA
Pecos County · Hoefs T-K (Wolfcamp) field · Producing · Horizontal
Challenger 228-512 Unit #1WA (API 42-371-40010) is a horizontal well in Pecos County operated by Diamondback E&P LLC, completed August 3, 2019 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued March 1, 2019, permitted to 9,800 ft.
Completion filings report 10 formation tops, including Glorieta, Grayburg, O'Brien, Queen.
Its lease has reported 138K barrels of oil and 1.63M mcf of gas since August 2019, last reporting in July 2026.
Operator of record
Midland, TX · P-5 Y, filed Mar 4, 2026 · 5,231 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 | Diamondback E&P LLCMar 1, 2019 |
- 9,800
- total depth, ft
- 2
- permits on file
- Mar 1, 2019
- last permit issued
- Aug 3, 2019
- completed
- 138K
- cumulative oil, bbl
- 1.63M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Aug 2019 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Aug 3, 2019
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: X
Surface location
30.966819, -102.801228
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Pecos 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 |
|---|---|---|---|---|---|---|
| Challenger 228-512 Unit O-10-53487 | Hoefs T-K (Wolfcamp) | Diamondback E&P LLC | 1 | 138K | 1.63M | Aug 2019 – Jul 2026 |
Gas, mcf lease total
Last 12 months 93,759 · prior 12 100,824(-7%)
Oil, barrels lease total
Last 12 months 4,949 · prior 12 4,972(0%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Diamondback E&P LLCAug 2019 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 850489-98 | Drill | Diamondback E&P LLC | May 13, 2019 | Mar 1, 2019 | Apr 22, 2019 | 9,800 |
| 850489-99 | Drill | Diamondback E&P LLC | Feb 27, 2019 | Mar 1, 2019 | Apr 22, 2019 | 9,800 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-53487 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,783 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,197 | 16,157 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 5,337 | 13.5 | 1,879 S |
| 7.625 | 8,567 | 9.875 | 500 S |
| 5.5 | 15,698 | 6.75 | 1,288 S |
| 5.5 | 16,297 | 6.75 | 1,288 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 | May 4, 2020 | Feb 7, 2020 | 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 42-371-40010 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-371-40010 → 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.
State Columbia 228-208 Unit42-371-40011
0.0 KM · Diamondback E&P LLC · Section with this well →
| Yates | — | |
| Glorieta | — | |
| Grayburg | — | |
| O'Brien | — | |
| Queen | — | |
| Rustler | — | |
| Seven Rivers | — | |
| Soma | — |
10 TOPS · FIRST 8
Little Bear42-371-40168
0.6 KM · Diamondback E&P LLC · Section with this well →
| Yates | — | |
| Glorieta | — | |
| Grayburg | — | |
| O'Brien | — | |
| Queen | — | |
| Rustler | — | |
| Seven Rivers | — | |
| Soma | — |
10 TOPS · FIRST 8
Jesse James SWD42-371-40060
2.3 KM · Gordy Oil Company · Section with this well →
| Rustler | 1,376 | 1,461 |
| Yates | 2,745 | 92 |
| Seven Rivers | 2,886 | -49 |
| Queen | 3,153 | -316 |
| Grayburg | 3,829 | -992 |
| Capitan | 4,139 | -1,302 |
| San Andres | — | |
| Toborg | — |
10 TOPS · FIRST 8
Casa Dragones-State42-371-39971
3.0 KM · Gordy Oil Company · Section with this well →
| Rustler | 1,386 | 1,475 |
| Yates | 2,782 | 79 |
| Seven Rivers | 2,920 | -59 |
| Queen | 3,196 | -335 |
| Grayburg | 3,864 | -1,003 |
| Glorieta | — | |
| O'Brien | — | |
| Soma | — |
10 TOPS · FIRST 8
Lucha-State42-371-40016
3.0 KM · Gordy Oil Company · Section with this well →
| Rustler | 1,314 | 1,547 |
| Yates | 2,767 | 94 |
| Seven Rivers | 2,905 | -44 |
| Queen | 3,181 | -320 |
| Grayburg | 3,788 | -927 |
| O'Brien | — | |
| Glorieta | — | |
| Toborg | — |
10 TOPS · FIRST 8
Riazul42-371-40383
3.7 KM · Gordy Oil Company · Section with this well →
| Rustler | 1,350 | 1,511 |
| Yates | 2,731 | 130 |
| Seven Rivers | 2,866 | -5 |
| Queen | 3,142 | -281 |
| Grayburg | 3,912 | -1,051 |
| Capitan | 4,241 | -1,380 |
| San Andres | — | |
| Glorieta | — |
10 TOPS · FIRST 8
Hat Creek42-371-40384
3.7 KM · Gordy Oil Company · Section with this well →
| Rustler | 1,354 | 1,507 |
| Yates | 2,731 | 130 |
| Seven Rivers | 2,869 | -8 |
| Queen | 3,145 | -284 |
| Grayburg | 3,912 | -1,051 |
| Capitan | 4,229 | -1,368 |
| San Andres | — | |
| Soma | — |
10 TOPS · FIRST 8
Hat Creek42-371-40386
3.7 KM · Gordy Oil Company · Section with this well →
| Delaware | 4,660 | -1,799 |
| Bone Spring | 6,778 | -3,917 |
| Clear Fork | — | |
| Glorieta | — | |
| Strawn | — | |
| Sullivan | — | |
| Tubb | — | |
| Wichita-Albany | — |
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/37140010, documented in the API reference.