42-431-32819

TXL

STERLING County · District 8 · BLACK RIVER OPERATING LLC

Permits

Max Depth

3,300 ft

First Permit

1996-03-13

Latest Activity

2025-03-26

Lifespan

29 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

—

Shut-In

—

Plugged

—

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1996-05

Last Production

2026-07

Operator History

Chain of Custody

MARATHON OIL COMPANY 1996-2009→ APACHE CORPORATION 2009-2015

Lease Production

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

Oil

production & DCA →

Formation Tops (5) Elevation 2,618 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
7 RIVERS (Seven Rivers)	1,200 ft	+1,418 ft
QUEEN SD (Queen)	1,472 ft	+1,146 ft
GRAYBURG	1,630 ft	+988 ft
SAN ANDRES	1,700 ft	+918 ft
CLEARFORK (Clear Fork)	2,404 ft	+214 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 ↗

Offset Well Tops (nearest 8 wells with tops)

What nearby completed wells reported.

Cross-section

✓ 42-431-33338 HILDEBRAND 16 · STANOLIND PRODUCTION LLC

4.6 mi

T/SAN ANDRES 2,138'DEAR MKR 5,715'Wolfcamp 7,446'Cisco 7,500'Canyon 8,135'T/SAN ANDRES —DEAR MKR —Canyon —Wolfcamp —Cisco —

✓ 42-431-32385 GLASS '26' · WHITE ROCK OIL & GAS, LLC

4.9 mi

Leonard 5,846'Cisco 7,894'Canyon 8,178'

✓ 42-173-33270 CURRY 17 · STANOLIND PRODUCTION LLC

5.5 mi

Rustler 980'Yates 1,478'Seven Rivers 1,614'Queen 2,013'Grayburg 2,204'San Andres 2,362'Glorieta 3,747'Clear Fork 4,482'Spraberry 4,868'Spraberry 5,249'T/PENN 8,170'T/STRAWN LIME 9,148'

✓ 42-431-32940 CONGER, F. 5 · SLANT OPERATING, LLC

7.4 mi

Cisco 4,805'Canyon 5,271'

✓ 42-431-10363 REED 'F' · WINN OPERATING, LLC

8.4 mi

Wolfcamp 7,420'Wolfcamp 7,540'

✓ 42-173-37936 CURRIE STATE X · COG OPERATING LLC

8.6 mi

Santa Rosa 1,073'Seven Rivers 1,300'Queen 1,500'Yates 1,613'Glorieta 2,450'San Andres 2,466'Grayburg 2,850'Clear Fork 3,671'Spraberry 4,557'Wichita-Albany 7,400'

✓ 42-431-32544 CONGER, F. 7 · STANOLIND PRODUCTION LLC

8.8 mi

Leonard 4,831'Dean 5,477'Wolfcamp 6,870'Wolfcamp 6,870'Cisco 6,917'Cisco 6,917'Canyon 7,112'Canyon 7,112'

✓ 42-431-30943 FLINT -B- · WAGNER & BROWN

8.9 mi

Yates 1,286'San Andres 2,436'Clear Fork 3,430'Wolfcamp 6,556'Cisco 7,820'Cisco 7,820'Canyon 8,006'

Nearest wells within 10 mi (surface locations). Click wells to select them, then open the cross-section to compare tops side by side (max 6 wells per section, including this one).

Perforations (2)

Interval	Type
2,454–2,484 ft	Perforated
2,510–2,556 ft	Perforated

Casing (2)

Size	Set Depth	Cement
8.625"	422 ft	260 sx
5.5"	2,780 ft	750 sx

Permit History (2)

#905433 Recompletion

TXL · 2,500 ft

2025-03-26

#444792 Drill Final Completion

TXL "C" · 3,300 ft

1996-03-13

Spud 1996-04-26

Applications (2)

#905433 A BLACK RIVER OPERATING LLC

received 2025-01-22

#444792 A MARATHON OIL COMPANY

received 1996-02-14

Records & Logs

2 completion filings on record · 1 with log images at RRC.

W-2/G-1 1996-06-13 log on file

W-2/G-1 1996-08-07

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.

Google Maps → Explorer Map →

Lat 31.810350

Lon -101.226015

Well Details

Well Number: 20
Max Depth: 3,300 ft
Drill Type: Vertical
County: STERLING
District: 8
Operator: BLACK RIVER OPERATING LLC

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