42-443-30055

Horizontal

BASSETT-BROWN UNIT

TERRELL County · District 7 · MOBIL PRODUCING TX. & N.M. INC.

Permits

Max Depth

15,500 ft

First Permit

1994-09-12

Latest Activity

2003-02-07

Lifespan

8 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

—

Shut-In

—

Plugged

—

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

MOBIL PRODUCING TX. & N.M. INC. 1993-2011→ XTO ENERGY INC. 2012-2025→ LONGFELLOW ENERGY, LP 2026-2026

Lease Production

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

Gas

production & DCA →

Formation Tops (6) Elevation 2,468 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
WOLFCAMP SHALE (Wolfcamp)	3,850 ft	-1,382 ft
STRAWN	11,620 ft	-9,152 ft
DEVONIAN	12,130 ft	-9,662 ft
SILURIAN (Silurian (undifferentiated))	12,590 ft	-10,122 ft
SIMPSON	12,730 ft	-10,262 ft
ELLENBURGER	13,995 ft	-11,527 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
14,026–14,950 ft	Perforated
14,322–14,954 ft	Perforated

Casing (6)

Size	Set Depth	Cement
13.375"	987 ft	950 sx
13.375"	987 ft	950 sx
9.625"	6,200 ft	2,000 sx
9.625"	6,200 ft	2,000 sx
7.625"	12,800 ft	1,050 sx
7.625"	12,800 ft	1,050 sx

Permit History (2)

#528159 Recompletion

BASSETT-BROWN UNIT · 15,500 ft

2003-02-07

#427830 Other Final Completion

BASSETT-BROWN UNIT · 15,500 ft

1994-09-12

Spud 1994-12-22

Applications (2)

#528159 A MOBIL PRODUCING TX. & N.M. INC.

received 2003-02-06

#427830 A MOBIL PRODUCING TX. & N.M. INC.

received 1994-09-06

Records & Logs

2 completion filings on record.

W-2/G-1 1995-05-23

W-2/G-1 1975-11-21

Completion packets + logs ↗ Wellbore filings ↗

Completion packets open directly (post-2011 filings include attached logs). Log images and the UL library 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 TERRELL County.

Well Details

Well Number: 2H
Max Depth: 15,500 ft
Drill Type: Horizontal
County: TERRELL
District: 7
Operator: MOBIL PRODUCING TX. & N.M. INC.

Operator

Name: SUPERIOR OIL CO, THE
Location: SPRING
P-5 Status: Active (filed 2025-06-04)
Cum Oil (all leases): 181,898,111 bbl
Cum Gas (all leases): 1,950,074,148 mcf
Activities: CSGD/G, GTHS/C, GTHS/G
Total Permits: 6,763