← Wells

42-103-35000

Final Completion

SAND HILLS TUBB UNIT

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

Permits

2

Max Depth

5,200 ft

First Permit

2004-04-20

Latest Activity

2022-11-21

Lifespan

19 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2004-07-20

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 2,629 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
MCKNIGHT 3,170 ft-541 ft
CLEAR FORK 4,050 ft-1,421 ft
TUBB 4,400 ft-1,771 ft
WICHITA-ALBANY 4,900 ft-2,271 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
✓ 42-103-34281 SAND HILLS TUBB UNIT · SLANT OPERATING, LLC
0.1 mi
Grayburg 2,482'JUDKINS 2,745'San Angelo 3,495'Tubb 4,290'Wichita-Albany 4,758'Wichita-Albany 4,875'
✓ 42-103-34335 SAND HILLS TUBB UNIT · SLANT OPERATING, LLC
0.1 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'
✓ 42-103-35006 SAND HILL TUBB UNIT · SLANT OPERATING, LLC
0.3 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'
✓ 42-103-37056 WADDELL TR B · BLACKBEARD OPERATING, LLC
0.4 mi
Rustler 468'Seven Rivers 1,685'Queen 2,194'Grayburg 2,448'San Andres 2,631'San Angelo 3,484'Clear Fork 3,884'Permian (undifferentiated) —Yates —Glorieta —
✓ 42-103-37725 ES VEDRA · BLACKBEARD OPERATING, LLC
0.4 mi
Rustler 472'Yates 1,476'Seven Rivers 1,689'Queen 2,200'Grayburg 2,459'San Andres 2,641'San Angelo 3,387'Glorieta 3,387'Permian (undifferentiated) —Clear Fork —
✓ 42-103-37693 ES VEDRA · BLACKBEARD OPERATING, LLC
0.4 mi
Rustler 471'Yates 1,479'Seven Rivers 1,688'Queen 2,200'Grayburg 2,457'San Andres 2,636'JUDKINS 2,847'McKnight 3,142'San Angelo —Glorieta —
✓ 42-103-36933 WADDELL TR B · BLACKBEARD OPERATING, LLC
0.4 mi
Rustler 498'Yates 1,533'Seven Rivers 1,714'Queen 1,969'Grayburg 2,488'San Andres 2,663'McKnight 3,166'Glorieta 3,487'Permian (undifferentiated) —San Angelo —
✓ 42-103-37694 ES VEDRA · BLACKBEARD OPERATING, LLC
0.4 mi
Rustler 473'Yates 1,479'Seven Rivers 1,684'Queen 2,200'Grayburg 2,454'San Andres 2,636'San Angelo —Permian (undifferentiated) —Clear Fork —Glorieta —

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
3,176–3,362 ftPerforated
4,635–4,774 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"707 ft425 sx
5.5"4,949 ft1,460 sx

Permit History (2)

#885788 Recompletion Final Completion

LEA, P. J. A/C 2 · 4,978 ft

2022-11-21

#544578 Drill Final Completion

SAND HILL TUBB UNIT · 5,200 ft

2004-04-20

Spud 2004-06-29

Applications (2)

#885788 A SLANT OPERATING, LLC
received 2022-11-16
#544578 A ENCORE OPERATING, L.P.
received 2004-04-16

Records & Logs

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

W-2/G-1 2023-03-09
W-2/G-1 2004-08-26 log on file
W-2/G-1 2004-10-08
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 31.498296
Lon -102.589650

Well Details

Well Number
81
Max Depth
5,200 ft
Drill Type
Vertical
County
CRANE
District
8
Operator
FORMENTERA OPERATIONS LLC
Completed
2004-07-20

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
71