42-329-36589

PRODUCING

DUNIGAN 12

MIDLAND County · District 8 · DIAMONDBACK E&P LLC · SPRABERRY (TREND AREA)

Permits

Max Depth

12,000 ft

First Permit

2010-05-21

Latest Activity

2017-08-01

Lifespan

7 yrs

Regulatory Status

Schedule

ON SCHEDULE

Completion

2011-02-18

Shut-In

—

Plugged

—

P-5 Org Status: X

EWA / Permit operator mismatch

Scheduling: DIAMONDBACK E&P LLC ≠ Permit: ENDEAVOR ENERGY RESOURCES L.P.

Resolved via: production → DIAMONDBACK E&P LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

2011-02

Last Production

2026-07

Operator History

Chain of Custody

ENDEAVOR ENERGY RESOURCES L.P. 2011-2024→ DE IV OPERATING, LLC 2024-2025→ DIAMONDBACK E&P LLC 2025-2026

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 (7) Elevation 2,683 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
SPRABERRY	7,225 ft	-4,542 ft
SPRABERRY (TREND AREA) (Spraberry)	7,225 ft	-4,542 ft
STRAWN	10,325 ft	-7,642 ft
ATOKA	10,550 ft	-7,867 ft
MISS (Mississippian)	11,075 ft	-8,392 ft
MISSISSIPPIAN	11,075 ft	-8,392 ft
DEVONIAN	11,250 ft	-8,567 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

✓ 42-329-35112 FASKEN '11' · ENDEAVOR ENERGY RESOURCES L.P.

0.5 mi

Spraberry 7,275'Spraberry 7,800'Dean 8,600'Wolfcamp 9,475'Strawn 10,325'Atoka 10,700'

✓ 42-329-45860 SRIRACHA 13 · CROWNQUEST OPERATING, LLC

0.6 mi

Santa Rosa 861'Rustler 1,552'Yates 2,370'Grayburg 3,935'San Andres 4,141'Glorieta 5,049'Clear Fork 6,207'Spraberry 7,167'Seven Rivers —Queen —

✓ 42-329-35008 FASKEN '11' · ENDEAVOR ENERGY RESOURCES L.P.

0.6 mi

Spraberry 7,225'Spraberry 7,775'Dean 8,575'Wolfcamp 9,425'Strawn 10,275'Atoka 10,575'Mississippian 10,980'Devonian 11,250'

✓ 42-329-44905 GREEN GODDESS 13 · CROWNQUEST OPERATING, LLC

0.7 mi

Clear Fork 6,214'Spraberry 7,182'Spraberry 8,517'Wolfcamp 8,698'Strawn 10,276'Atoka 10,725'Mississippian 11,030'Devonian 11,194'Canyon —Pennsylvanian —

✓ 42-329-31763 HALE -N- · TEMPO ENERGY, INC.

0.7 mi

Rustler 1,649'Yates 2,414'San Andres 4,021'Spraberry 7,193'Dean 8,505'Wolfcamp 8,711'Strawn 10,251'Strawn 10,259'Strawn 10,295'Atoka 10,434'Atoka 10,504'Mississippian 11,014' +2 more

✓ 42-329-40264 CHEESE 18 · CROWNQUEST OPERATING, LLC

1.3 mi

Santa Rosa 863'Rustler 1,543'Yates 2,355'Grayburg 3,910'San Andres 4,116'Glorieta 5,019'Clear Fork 6,175'Spraberry 7,153'Seven Rivers —Queen —

✓ 42-329-42384 JACK D. BURKES · FASKEN OIL AND RANCH, LTD.

1.5 mi

Santa Rosa 1,000'Yates 3,000'Grayburg 3,888'Seven Rivers 3,970'San Andres 3,981'Queen 4,370'Glorieta —Spraberry —Clear Fork —Spraberry —

✓ 42-329-43244 CHILI 101 · CROWNQUEST OPERATING, LLC

1.5 mi

Yates 2,365'Grayburg 3,920'San Andres 4,270'Glorieta 5,307'Clear Fork 6,210'Spraberry 7,157'Spraberry 8,468'Santa Rosa —Queen —Seven Rivers —

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
7,765–10,277 ft	Perforated
7,765–11,334 ft	Perforated

Casing (3)

Size	Set Depth	Cement
12.75"	302 ft	340 sx
8.625"	4,995 ft	625 sx
5.5"	11,376 ft	1,350 sx

Permit History (2)

#829275 Recompletion Final Completion

DUNIGAN '12' · 11,376 ft

2017-08-01

Spud 2011-01-21

#694854 Drill Final Completion

HALE "C" · 12,000 ft

2010-05-21

Spud 2010-09-30

Applications (2)

#829275 A ENDEAVOR ENERGY RESOURCES L.P.

received 2017-07-27

#694854 A ENDEAVOR ENERGY RESOURCES L.P.

received 2010-04-21

Records & Logs

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

W-2/G-1 2018-09-27

W-2/G-1 2017-10-10

W-2/G-1 2011-02-23 log on file

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 32.009258

Lon -101.851820

Well Details

Well Number: 1
Max Depth: 12,000 ft
Drill Type: Vertical
County: MIDLAND
District: 8
Operator: DIAMONDBACK E&P LLC
Completed: 2011-02-18

Operator

Name: DIAMONDBACK E&P LLC
Location: MIDLAND
P-5 Status: X (filed 2026-05-04)
Cum Oil (all leases): 986,290,193 bbl
Cum Gas (all leases): 41,995,553 mcf
Activities: GTHS/C, GTHS/O, OPRS/G, OPRS/O
Total Permits: 4,969