← Wells

42-103-33795

Final Completion

SAND HILLS TUBB UNIT

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

Permits

3

Max Depth

5,000 ft

First Permit

1987-03-20

Latest Activity

2022-12-13

Lifespan

36 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1987-06-27

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 →

Formation Tops (4) Elevation 2,650 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SAN ANDRES 2,735 ft-85 ft
SAN ANGELO 3,775 ft-1,125 ft
CLEAR FORK 3,985 ft-1,335 ft
TUBB 4,435 ft-1,785 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
✓ 42-103-35008 SAND HILL TUBB UNIT · SLANT OPERATING, LLC
0.2 mi
McKnight 3,300'Clear Fork 4,050'Tubb 4,329'Tubb 4,404'Tubb 4,666'Wichita-Albany 4,890'Wichita-Albany 4,890'
✓ 42-103-35028 SAND HILL TUBB UNIT · SLANT OPERATING, LLC
0.3 mi
MCELROY 2,660'JUDKINS 3,018'McKnight 3,485'San Angelo 3,915'San Angelo 3,915'Holt 4,115'Tubb 4,690'
✓ 42-103-34335 SAND HILLS TUBB UNIT · SLANT OPERATING, LLC
0.5 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'
✓ 42-103-35000 SAND HILL TUBB UNIT · SLANT OPERATING, LLC
0.5 mi
McKnight 3,170'Clear Fork 4,050'Tubb 4,400'Wichita-Albany 4,900'
✓ 42-103-35007 SAND HILL TUBB UNIT · SLANT OPERATING, LLC
0.6 mi
MCELROY 2,344'McKnight 3,122'San Angelo 3,500'Tubb 4,214'
✓ 42-103-34281 SAND HILLS TUBB UNIT · SLANT OPERATING, LLC
0.6 mi
Grayburg 2,482'JUDKINS 2,745'San Angelo 3,495'Tubb 4,290'Wichita-Albany 4,758'Wichita-Albany 4,875'
✓ 42-103-34391 WADDELL, W. N. ETAL · SOUTHLAND ROYALTY CO.-MIDLAND
0.7 mi
Rustler 614'Yates 1,608'Seven Rivers 1,831'Queen 2,370'Grayburg 2,626'San Andres 2,771'San Angelo 3,605'Clear Fork 4,043'Glorieta —Permian (undifferentiated) —
✓ 42-103-35078 SAND HILLS TUBB UNIT · SLANT OPERATING, LLC
0.7 mi
San Angelo 3,500'Clear Fork 3,950'Clear Fork 3,950'Tubb 4,240'WITCHITA-ALBANY 4,900'Wichita-Albany 4,900'Wichita-Albany 4,900'

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)

IntervalType
4,466–4,626 ftPerforated
4,732–4,856 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"500 ft375 sx
5.5"4,900 ft1,150 sx

Permit History (3)

#886233 Recompletion Final Completion

LEA, P. J. · 4,900 ft

2022-12-13

#327944 Drill Final Completion

SAND HILLS TUBB UNIT · 5,000 ft

1987-03-20

#327944 Drill

SAND HILLS TUBB UNIT · 5,000 ft

1987-03-20

Applications (3)

#886233 A SLANT OPERATING, LLC
received 2022-12-05
#327944 A MOBIL PRODUCING TX. & N.M. INC.
received 1987-03-31
#327944 A MOBIL PRODUCING TX. & N.M. INC.
received 1987-03-19

Records & Logs

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

W-2/G-1 2023-04-17
W-2/G-1 1987-07-15 log on file
W-2/G-1 1987-07-25
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 31.495654
Lon -102.581704

Well Details

Well Number
56
Max Depth
5,000 ft
Drill Type
Vertical
County
CRANE
District
8
Operator
FORMENTERA OPERATIONS LLC
Completed
1987-06-27

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