WELL · 42-371-40255 · DISTRICT 8
State Biggs 12A-2 Unit #5WA
Pecos County · Hoefs T-K (Wolfcamp) field · Producing · Horizontal
State Biggs 12a-2 Unit #5WA (API 42-371-40255) is a horizontal well in Pecos County operated by Diamondback E&P LLC, completed July 19, 2022 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended twice), issued April 17, 2020, permitted to 13,000 ft.
Completion filings report 13 formation tops, including Capitan, Ellenburger, Grayburg, O'Brien.
Its lease has reported 1.22M barrels of oil and 1.38M mcf of gas since January 2018, last reporting in July 2026. The lease carries 3 wells, so these are lease totals, not this well alone.
Operator of record
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 | Diamondback E&P LLCApr 17, 2020 |
- 13,000
- total depth, ft
- 3
- permits on file
- Apr 17, 2020
- last permit issued
- Jul 19, 2022
- completed
- 1.22M
- cumulative oil, bbl
- 1.38M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 2018 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jul 19, 2022
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: X
Surface location
31.103639, -103.011581
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; they carry 3 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| State Biggs 12A-2 Unit O-10-50012 | Hoefs T-K (Wolfcamp) | Diamondback E&P LLC | 3 | 1.22M | 1.38M | Jan 2018 – Jul 2026 |
Oil, barrels lease total
Last 12 months 90,822 · prior 12 124,202(-27%)
Gas, mcf lease total
Last 12 months 141,163 · prior 12 185,747(-24%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Diamondback E&P LLCJan 2018 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 863287-97 | Drill | Diamondback E&P LLC | May 27, 2021 | Apr 17, 2020 | Jun 18, 2021 | 13,000 |
| 863287-98 | Drill | Diamondback E&P LLC | Jun 9, 2020 | Apr 17, 2020 | — | 13,000 |
| 863287-99 | Drill | Diamondback E&P LLC | Apr 9, 2020 | Apr 17, 2020 | — | 13,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-50012 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,726 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| CapitanCAPITAN REEF - HIGH FLOWS | — | — |
| Ellenburger | — | — |
| Grayburg | — | — |
| O'Brien | — | — |
| Precambrian (Undifferentiated) | — | — |
| Queen | — | — |
| Rustler | — | — |
| San AndresSAN ANDRES - USABLE QUALITY WATE | — | — |
| Seven Rivers | — | — |
| Soma | — | — |
| Toborg | — | — |
| Waddell | — | — |
| Yates | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,467 | 17,054 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 11.75 | 2,489 | 14.75 | 2,200 S |
| 7.625 | 9,734 | 8.75 | 765 S |
| 5.5 | 17,144 | 6.75 | 975 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 | Jan 24, 2023 | Nov 18, 2022 | Yes |
| 00 | Mar 9, 2022 | Feb 16, 2022 | 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 42-371-40255 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-371-40255 → 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 Biggs 12-19 A42-371-40314
0.0 KM · Diamondback E&P LLC · Section with this well →
| Bone Spring | 7,878 | -5,151 |
| Bone Spring | 8,769 | -6,042 |
| Queen | — | |
| Rustler | — | |
| San Andres | — | |
| Grayburg | — | |
| Soma | — | |
| Yates | — |
12 TOPS · FIRST 8
Neal Lethco 34-33 B Unit42-371-40114
0.2 KM · Diamondback E&P LLC · Section with this well →
| Yates | — | |
| Tubb | — | |
| Toborg | — | |
| Soma | — | |
| Seven Rivers | — | |
| Rustler | — | |
| Queen | — | |
| O'Brien | — |
10 TOPS · FIRST 8
Neal Lethco 34-33 B Unit42-371-40119
0.2 KM · Diamondback E&P LLC · Section with this well →
| Glorieta | — | |
| Yates | — | |
| Tubb | — | |
| Toborg | — | |
| Soma | — | |
| Seven Rivers | — | |
| Rustler | — | |
| Queen | — |
10 TOPS · FIRST 8
Neal Lethco 34-33 B Unit42-371-39624
0.2 KM · Diamondback E&P LLC · Section with this well →
| Rustler | 1,820 | 903 |
| Tubb | — | |
| Toborg | — | |
| Soma | — | |
| Seven Rivers | — | |
| Queen | — | |
| O'Brien | — | |
| Grayburg | — |
10 TOPS · FIRST 8
Neal Lethco 34-33 B Unit42-371-39623
0.2 KM · Diamondback E&P LLC · Section with this well →
| Glorieta | — | |
| Grayburg | — | |
| O'Brien | — | |
| Queen | — | |
| Rustler | — | |
| Seven Rivers | — | |
| Soma | — | |
| Toborg | — |
10 TOPS · FIRST 8
Neal Lethco 34-33 B Unit42-371-39796
0.3 KM · Diamondback E&P LLC · Section with this well →
| Rustler | 2,135 | 590 |
| Glorieta | — | |
| Grayburg | — | |
| O'Brien | — | |
| Queen | — | |
| Tubb | — | |
| Yates | — | |
| Seven Rivers | — |
10 TOPS · FIRST 8
Neal Lethco 34-33 B Unit42-371-39795
0.3 KM · Diamondback E&P LLC · Section with this well →
| Rustler | 2,134 | 591 |
| Glorieta | — | |
| Yates | — | |
| Tubb | — | |
| Toborg | — | |
| Soma | — | |
| Seven Rivers | — | |
| Queen | — |
10 TOPS · FIRST 8
Neal Lethco 34-33 B Unit42-371-39922
0.3 KM · Diamondback E&P LLC · Section with this well →
| Toborg | — | |
| Yates | — | |
| Tubb | — | |
| Glorieta | — | |
| Grayburg | — | |
| O'Brien | — | |
| Queen | — | |
| Rustler | — |
11 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/37140255, documented in the API reference.