WELL · 42-371-39695 · DISTRICT 8
Black Stone 1-12 B #1SB
Pecos County · Hoefs T-K (Wolfcamp) field · Producing · Horizontal
Black Stone 1-12 B #1SB (API 42-371-39695) is a horizontal well in Pecos County operated by Blue Arrow Operating LLC, completed July 5, 2018 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued February 15, 2018, permitted to 10,200 ft.
It was permitted by Diamondback E&P LLC and has since transferred to Blue Arrow Operating LLC on the wellbore schedule.
Completion filings report 13 formation tops, including Delaware, Bell Canyon, Bone Spring, Glorieta.
Its lease has reported 664K barrels of oil and 820K mcf of gas since July 2018, last reporting in July 2026.
Operator of record
Permitted by Diamondback E&P LLC; the EWA schedule now lists a different operator.
Midland, TX · P-5 Y, filed Apr 4, 2026 · 45 permits on file · (432) 528-8954
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Blue Arrow Operating LLC |
| Production reports | Blue Arrow Operating, LLCthrough Apr 2026 |
| Latest permit | Diamondback E&P LLCFeb 15, 2018 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 10,200
- total depth, ft
- 2
- permits on file
- Feb 15, 2018
- last permit issued
- Jul 5, 2018
- completed
- 664K
- cumulative oil, bbl
- 820K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jul 2018 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jul 5, 2018
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
Surface location
31.156447, -103.175325
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 |
|---|---|---|---|---|---|---|
| Black Stone 1-12 B O-10-51143 | Hoefs T-K (Wolfcamp) | Blue Arrow Operating, LLC | 1 | 664K | 820K | Jul 2018 – Jul 2026 |
Oil, barrels lease total
Last 12 months 21,012 · prior 12 25,660(-18%)
Gas, mcf lease total
Last 12 months 83,887 · prior 12 95,720(-12%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Diamondback E&P LLCSep 2018 → Feb 2026
- 2Blue Arrow Operating, LLCMar 2026 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 836337-98 | Drill | Diamondback E&P LLC | Mar 29, 2018 | Feb 15, 2018 | — | 10,200 |
| 836337-99 | Drill | Diamondback E&P LLC | Feb 13, 2018 | Feb 15, 2018 | Apr 9, 2018 | 10,200 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-51143 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,736 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Delaware | 5,291 | -2,555 |
| Bell Canyon | 5,332 | -2,596 |
| Bone SpringBONE SPRINGS | 8,211 | -5,475 |
| Glorieta | — | — |
| Grayburg | — | — |
| O'Brien | — | — |
| Queen | — | — |
| Rustler | — | — |
| Seven Rivers | — | — |
| Soma | — | — |
| Toborg | — | — |
| Tubb | — | — |
| Yates | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,820 | 19,897 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 1,560 | 13.5 | 940 S |
| 5.5 | 2,070 | 6.75 | 1,363 S |
| 5.5 | 8,714 | 6.75 | 1,363 S |
| 7.625 | 8,734 | 9.875 | 1,650 S |
| 5.5 | 20,070 | 6.75 | 1,363 S |
| 4.5 | 20,070 | 6.75 | 1,363 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 | Aug 5, 2021 | Jul 12, 2021 | Yes |
| 00 | Feb 25, 2021 | Feb 4, 2021 | — |
| 00 | Jan 6, 2020 | Oct 3, 2019 | — |
| 00 | Mar 12, 2019 | Dec 18, 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 42-371-39695 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-371-39695 → 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.
Black Stone State 1-12 A42-371-39696
0.0 KM · Diamondback E&P LLC · Section with this well →
| Delaware | 5,224 | -2,488 |
| Bone Spring | 8,223 | -5,487 |
| Wolfcamp | 10,341 | -7,605 |
| Seven Rivers | — | |
| Rustler | — | |
| Queen | — | |
| O'Brien | — | |
| Grayburg | — |
13 TOPS · FIRST 8
Black Stone State 1-12 H42-371-40195
0.2 KM · Diamondback E&P LLC · Section with this well →
| Soma | — | |
| Yates | — | |
| Tubb | — | |
| Toborg | — | |
| Seven Rivers | — | |
| Rustler | — | |
| Queen | — | |
| O'Brien | — |
10 TOPS · FIRST 8
Black Stone State 1-12 G42-371-40194
0.2 KM · Diamondback E&P LLC · Section with this well →
| Yates | — | |
| Glorieta | — | |
| Grayburg | — | |
| O'Brien | — | |
| Queen | — | |
| Rustler | — | |
| Seven Rivers | — | |
| Soma | — |
10 TOPS · FIRST 8
Black Stone State 1-12 E42-371-40049
0.3 KM · Diamondback E&P LLC · Section with this well →
| Yates | — | |
| Glorieta | — | |
| Grayburg | — | |
| O'Brien | — | |
| Queen | — | |
| Rustler | — | |
| Seven Rivers | — | |
| Soma | — |
10 TOPS · FIRST 8
Black Stone State 1-12 F42-371-40050
0.3 KM · Diamondback E&P LLC · Section with this well →
| Yates | — | |
| Tubb | — | |
| Toborg | — | |
| Soma | — | |
| Seven Rivers | — | |
| Rustler | — | |
| Queen | — | |
| O'Brien | — |
10 TOPS · FIRST 8
Black Stone 1-12 I42-371-40297
0.4 KM · Diamondback E&P LLC · Section with this well →
| Rustler | 1,601 | 1,122 |
| Lamar | 5,258 | -2,535 |
| Bell Canyon | 6,059 | -3,336 |
| Capitan | — | |
| Grayburg | — | |
| O'Brien | — | |
| Queen | — | |
| San Andres | — |
12 TOPS · FIRST 8
State Stewart 1-12 UJ42-371-40325
0.5 KM · Diamondback E&P LLC · Section with this well →
| O'Brien | — | |
| Queen | — | |
| Rustler | — | |
| San Andres | — | |
| Seven Rivers | — | |
| Soma | — | |
| Toborg | — | |
| Yates | — |
10 TOPS · FIRST 8
Black Stone State 1-12 D42-371-39809
0.8 KM · Diamondback E&P LLC · Section with this well →
| Soma | — | |
| Tubb | — | |
| Toborg | — | |
| Seven Rivers | — | |
| Yates | — | |
| Rustler | — | |
| Queen | — | |
| O'Brien | — |
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/37139695, documented in the API reference.