WELL · 42-371-39808 · DISTRICT 8

Black Stone State 1-12 C #1WA

Y

Pecos County · Hoefs T-K (Wolfcamp) field · Producing  · Horizontal

Black Stone State 1-12 C #1WA (API 42-371-39808) is a horizontal well in Pecos County operated by Blue Arrow Operating LLC, completed January 23, 2019 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued August 24, 2018, permitted to 11,625 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 10 formation tops, including Glorieta, Grayburg, O'Brien, Queen.

Its lease has reported 354K barrels of oil and 550K mcf of gas since January 2019, last reporting in July 2026.

Operator of record

Blue Arrow Operating LLC

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 scheduleBlue Arrow Operating LLC
Production reportsBlue Arrow Operating, LLCthrough Apr 2026
Latest permitDiamondback E&P LLCAug 24, 2018

The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.

11,625
total depth, ft
1
permits on file
Aug 24, 2018
last permit issued
Jan 23, 2019
completed
354K
cumulative oil, bbl
550K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 2019 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Jan 23, 2019
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active

Surface location

31.156548, -103.183413

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 →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Black Stone State 1-12 C O-10-51888Hoefs T-K (Wolfcamp)Blue Arrow Operating, LLC1354K550KJan 2019 – Jul 2026

Oil, barrels lease total

Last 12 months 26,976 · prior 12 35,410(-24%)

02K4K6K202420252026

Gas, mcf lease total

Last 12 months 61,847 · prior 12 63,047(-2%)

05K10K202420252026

Chain of custody

Every operator that reported production on this well's lease, in order.

  1. 1Diamondback E&P LLCJan 2019 → Feb 2026
  2. 2Blue Arrow Operating, LLCMar 2026 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
843148-99DrillDiamondback E&P LLCAug 2, 2018Aug 24, 2018Sep 8, 201811,625

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-51888————

Formation tops

As filed on W-2/G-1. Subsea from 2,750 ft elevation.Download CSV →

FormationMD ftSubsea
Glorieta——
Grayburg——
O'Brien——
Queen——
Rustler——
Seven Rivers——
Soma——
Toborg——
Tubb——
Yates——

Perforations

Perforated and open-hole intervals.

FromToType
10,81620,901Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
10.751,55513.5885 S
7.6259,9809.8751,830 S
5.521,0906.751,479 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 →

SuffixFiledW-2 / G-1 dateLogs referenced
00Dec 11, 2020Nov 23, 2020Yes
00Dec 19, 2019Oct 3, 2019—
00Aug 8, 2019May 1, 2019Yes

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.

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.

Open the cross-section →

Black Stone State 1-12 D42-371-39809

0.0 KM · Diamondback E&P LLC · Section with this well →

Yates—
Tubb—
Toborg—
Soma—
Seven Rivers—
Rustler—
Glorieta—
Grayburg—

10 TOPS · FIRST 8

State Stewart 1-12 UJ42-371-40325

0.3 KM · Diamondback E&P LLC · Section with this well →

Queen—
Grayburg—
Capitan—
Yates—
Toborg—
Soma—
Seven Rivers—
San Andres—

10 TOPS · FIRST 8

Black Stone State 1-12 G42-371-40194

0.6 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 State 1-12 H42-371-40195

0.6 KM · Diamondback E&P LLC · Section with this well →

Glorieta—
Tubb—
Yates—
O'Brien—
Grayburg—
Toborg—
Soma—
Seven Rivers—

10 TOPS · FIRST 8

Black Stone State 1-12 B42-371-39695

0.8 KM · Diamondback E&P LLC · Section with this well →

Delaware5,291-2,555
Bell Canyon5,332-2,596
Bone Spring8,211-5,475
Toborg—
Glorieta—
Grayburg—
O'Brien—
Queen—

13 TOPS · FIRST 8

Black Stone State 1-12 A42-371-39696

0.8 KM · Diamondback E&P LLC · Section with this well →

Delaware5,224-2,488
Bone Spring8,223-5,487
Wolfcamp10,341-7,605
Toborg—
Rustler—
Seven Rivers—
Soma—
Yates—

13 TOPS · FIRST 8

Black Stone 11-2 A42-371-39968

0.8 KM · Diamondback E&P LLC · Section with this well →

Queen—
Yates—
Tubb—
Toborg—
Soma—
Seven Rivers—
Rustler—
O'Brien—

10 TOPS · FIRST 8

Black Stone 11-2 Unit42-371-39969

0.8 KM · Diamondback E&P LLC · Section with this well →

Toborg—
Glorieta—
Grayburg—
O'Brien—
Queen—
Rustler—
Seven Rivers—
Soma—

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/37139808, documented in the API reference.