42-431-32816

Final Completion

TXL -D-

STERLING County · District 8 · BLACK RIVER OPERATING LLC · HERRELL

Permits

Max Depth

3,300 ft

First Permit

1996-02-14

Latest Activity

1999-10-14

Lifespan

4 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1996-06-19

Shut-In

—

Plugged

—

EWA / Permit operator mismatch

Scheduling: BLACK RIVER OPERATING LLC ≠ Permit: MARATHON OIL COMPANY

Resolved via: production → BLACK RIVER OPERATING LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

MARATHON OIL COMPANY 1993-2009→ APACHE CORPORATION 2009-2019→ BLACK RIVER OPERATING LLC 2020-2026

Lease Production

Production is reported at the lease level. View production data, decline curves, and history on the lease page.

Formation Tops (3) Elevation 2,678 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
QUEEN SD (Queen)	1,506 ft	+1,172 ft
GRAYBURG	1,734 ft	+944 ft
CLEARFORK (Clear Fork)	2,470 ft	+208 ft

As reported by operators on W-2/G-1 completion filings (RRC wellbore records). Depths are measured depth; names appear as filed. Subsea = reported elevation − measured depth (negative = below sea level; vertical wellbores only). View filings & logs at RRC ↗

Perforations (2)

Interval	Type
1,520–1,614 ft	Perforated
2,516–2,530 ft	Perforated

Casing (2)

Size	Set Depth	Cement
8.625"	564 ft	380 sx
5.5"	2,750 ft	730 sx

Permit History (2)

#488494 Recompletion Final Completion

HERRELL EAST QUEEN SAND UNIT · 2,600 ft

1999-10-14

Spud 1999-10-20

#444796 Drill Final Completion

TXL "D" · 3,300 ft

1996-02-14

Spud 1996-05-01

Applications (2)

#488494 A MARATHON OIL COMPANY

received 1999-10-14

#444796 A MARATHON OIL COMPANY

received 1996-02-14

Records & Logs

4 completion filings on record · 2 with log images at RRC.

W-2/G-1 2000-01-07

W-2/G-1 1996-07-05 log on file

W-2/G-1 1996-08-12

Completion packets + logs ↗ Wellbore filings ↗

Completion packets open directly (post-2011 filings include attached logs). Log images can't be deep-linked — clicking copies the API for you to paste.

No GPS coordinates yet

Coordinates come from the RRC GIS backfill and usually appear within days of permit issuance. Located in STERLING County.

Well Details

Well Number: 308
Max Depth: 3,300 ft
Drill Type: Vertical
County: STERLING
District: 8
Operator: BLACK RIVER OPERATING LLC
Completed: 1996-06-19

Operator

Name: BLACK RIVER OPER LLC
Location: KELLER
P-5 Status: X (filed 2026-01-27)
Cum Oil (all leases): 161,625 bbl
Cum Gas (all leases): — mcf
Activities: OPRS/O
Total Permits: 1