← Wells

42-103-35078

Final Completion

SAND HILLS TUBB UNIT

CRANE County · District 8 · FORMENTERA OPERATIONS LLC · SAND HILLS (TUBB)

Permits

3

Max Depth

5,100 ft

First Permit

2005-03-29

Latest Activity

2022-10-13

Lifespan

18 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2005-07-29

Shut-In

—

Plugged

—

!

EWA / Permit operator mismatch

Scheduling: FORMENTERA OPERATIONS LLC ≠ Permit: SLANT OPERATING, LLC

Resolved via: production → FORMENTERA OPERATIONS LLC

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. 1993-1996→ TITAN RESOURCES I, INC. 1996-2000→ PURE RESOURCES, L.P. 2000-2002→ HOME-STAKE OIL & GAS COMPANY 2002-2002→ CORTEZ OPERATING COMPANY 2002-2004→ ENCORE OPERATING, L.P. 2004-2009→ ENCORE ENERGY PARTNERS OPER LLC 2009-2012→ VANGUARD PERMIAN, LLC 2012-2015→ VANGUARD OPERATING, LLC 2015-2019→ GRIZZLY OP OF DELAWARE, LLC 2019-2021→ CONTANGO RESOURCES, INC. 2021-2021→ CONTANGO RESOURCES, LLC 2022-2022→ SLANT OPERATING, LLC 2022-2023→ FORMENTERA OPERATIONS LLC 2023-2026

Lease Production

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

Oil
production & DCA →
Oil
production & DCA →
Oil
production & DCA →

Formation Tops (7) Elevation 2,615 ft (KB)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SAN ANGELO, UPPER (San Angelo)3,500 ft-885 ft
CLEAR FORK 3,950 ft-1,335 ft
CLEARFORK (Clear Fork)3,950 ft-1,335 ft
TUBB 4,240 ft-1,625 ft
WICHITA-ALBANY 4,900 ft-2,285 ft
WICHITA FALLS (Wichita-Albany)4,900 ft-2,285 ft
WITCHITA-ALBANY4,900 ft-2,285 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
✓ 42-103-35007 SAND HILL TUBB UNIT · SLANT OPERATING, LLC
0.2 mi
MCELROY 2,344'McKnight 3,122'San Angelo 3,500'Tubb 4,214'
✓ 42-103-37049 J. B. TUBB A/C 1 TR A · SLANT OPERATING, LLC
0.2 mi
Rustler 371'Yates 1,466'Seven Rivers 1,690'Queen 2,212'Grayburg 2,333'San Andres 2,700'San Angelo 3,400'Glorieta 3,800'Clear Fork 3,839'Tubb 4,249'Permian (undifferentiated) —
✓ 42-103-03596 LEA, P. J. · SLANT OPERATING, LLC
0.3 mi
MCELROY 2,344'McKnight 3,122'San Angelo 3,510'Tubb 4,300'
✓ 42-103-35006 SAND HILL TUBB UNIT · SLANT OPERATING, LLC
0.4 mi
Yates 1,600'JUDKINS 2,850'San Angelo 3,500'Clear Fork 3,950'Clear Fork 4,050'Tubb 4,240'Tubb 4,400'Wichita-Albany 4,900'
✓ 42-103-34335 SAND HILLS TUBB UNIT · SLANT OPERATING, LLC
0.4 mi
Queen 2,240'MCELROY 2,354'San Andres 2,675'JUDKINS 2,730'McKnight 3,130'San Angelo 3,500'Clear Fork 3,870'Clear Fork 3,870'Tubb 4,240'
✓ 42-103-36989 J. B. TUBB A/C 1 TR A · SLANT OPERATING, LLC
0.4 mi
Rustler 426'Yates 1,424'Seven Rivers 1,659'Queen 2,183'Grayburg 2,323'San Andres 3,090'San Angelo 3,458'Glorieta 3,700'Clear Fork 3,805'Permian (undifferentiated) —
✓ 42-103-35000 SAND HILL TUBB UNIT · SLANT OPERATING, LLC
0.5 mi
McKnight 3,170'Clear Fork 4,050'Tubb 4,400'Wichita-Albany 4,900'
✓ 42-103-34281 SAND HILLS TUBB UNIT · SLANT OPERATING, LLC
0.5 mi
Grayburg 2,482'JUDKINS 2,745'San Angelo 3,495'Tubb 4,290'Wichita-Albany 4,758'Wichita-Albany 4,875'

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 (3)

IntervalType
3,506–3,710 ftPerforated
4,286–4,404 ftPerforated
4,592–4,734 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"608 ft275 sx
5.5"5,000 ft1,300 sx

Permit History (3)

#884624 Recompletion Final Completion

LEA, P. J. · 5,000 ft

2022-10-13

Spud 2022-10-25

#559480 Drill Final Completion

SAND HILLS TUBB UNIT · 5,100 ft

2005-03-29

Spud 2005-06-02

#559480 Drill

SAND HILLS TUBB UNIT · 5,100 ft

2005-03-29

Spud 2005-06-02

Applications (3)

#884624 A SLANT OPERATING, LLC
received 2022-10-05
#559480 A ENCORE OPERATING, L.P.
received 2005-06-30
#559480 A ENCORE OPERATING, L.P.
received 2005-03-24

Records & Logs

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

W-2/G-1 2023-02-02
W-2/G-1 2023-02-02
W-2/G-1 2008-03-06
W-2/G-1 2005-08-08 log on file
W-2/G-1 2005-08-08 log on file
W-2/G-1 2006-01-30
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.

Google Maps → Explorer Map →
Lat 31.491963
Lon -102.593048

Well Details

Well Number
91
Max Depth
5,100 ft
Drill Type
Vertical
County
CRANE
District
8
Operator
FORMENTERA OPERATIONS LLC
Completed
2005-07-29

Operator

Location
AUSTIN
P-5 Status
X (filed 2026-06-11)
Cum Oil (all leases)
7,170,117 bbl
Cum Gas (all leases)
53,235,974 mcf
Activities
CSGD/P, G/PUR, OPRS/G, OPRS/O
Total Permits
80