42-317-35286

Final Completion

HERREN 5-8

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

Permits

Max Depth

12,000 ft

First Permit

2008-06-06

Latest Activity

2018-01-26

Lifespan

10 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2008-09-20

Shut-In

—

Plugged

2019-09-03

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

2008-09

Last Production

2026-07

Operator History

Chain of Custody

ENDEAVOR ENERGY RESOURCES L.P. 2008-2024→ 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 (10) Elevation 2,619 ft

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
CLEARFORK LIME (Clear Fork)	5,525 ft	-2,906 ft
SPRABERRY	6,825 ft	-4,206 ft
DEAN	8,125 ft	-5,506 ft
WOLFCAMP LIME (Wolfcamp)	8,425 ft	-5,806 ft
STRAWN	9,825 ft	-7,206 ft
STRAWN LIME (Strawn)	9,825 ft	-7,206 ft
MISS (Mississippian)	9,950 ft	-7,331 ft
LOWER MISS LIME (Mississippian)	10,325 ft	-7,706 ft
WOODFORD	10,600 ft	-7,981 ft
ATOKA	—	—

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

✓ 42-317-36509 HERREN '5-8' · ENDEAVOR ENERGY RESOURCES L.P.

0.2 mi

Spraberry 6,825'Spraberry 6,825'Strawn 9,000'Strawn 9,900'Mississippian 10,050'Mississippian 10,050'Woodford 10,675'Atoka —

✓ 42-317-35980 HERREN '5-8' · ENDEAVOR ENERGY RESOURCES L.P.

0.2 mi

Spraberry 6,850'Spraberry 6,850'Strawn 9,850'Mississippian 10,000'Mississippian 10,000'

✓ 42-317-35487 HERREN '5-8' · ENDEAVOR ENERGY RESOURCES L.P.

0.3 mi

Clear Fork 5,100'Spraberry 6,825'Dean 8,125'Wolfcamp 8,425'Wolfcamp 8,425'Strawn 9,850'Strawn 9,850'MISSIPPIAN 10,000'Woodford 10,650'

✓ 42-317-33873 WHEELER, NORMA · ENDEAVOR ENERGY RESOURCES L.P.

0.5 mi

Canyon 9,524'Spraberry 9,777'Spraberry 9,777'Strawn 9,838'Strawn 9,948'Mississippian 10,450'Mississippian 10,450'Woodford 10,597'Fusselman 10,676'

✓ 42-317-35756 SHORTES '5' UNIT · ENDEAVOR ENERGY RESOURCES L.P.

0.5 mi

Spraberry 6,850'Spraberry 6,850'Strawn 9,850'Mississippian 10,000'Mississippian 10,030'Atoka —

✓ 42-317-35032 PATTON '7' · ENDEAVOR ENERGY RESOURCES L.P.

0.6 mi

Spraberry 6,850'Dean 8,150'Wolfcamp 8,450'Strawn 9,850'Mississippian 10,000'Woodford 10,675'Atoka —

✓ 42-317-41393 BLAGRAVE SWD 5 · AQUA TERRA PERMIAN, LLC

0.8 mi

Santa Rosa 1,150'Yates 2,400'Grayburg 2,969'San Andres 3,350'Queen 4,100'Spraberry 6,884'Dean 7,927'Wolfcamp 8,042'Cisco 8,500'Pennsylvanian 9,400'

✓ 42-317-36573 FROMAN '8' · ENDEAVOR ENERGY RESOURCES L.P.

0.8 mi

Spraberry 6,825'Strawn 9,925'Mississippian 10,073'Mississippian 10,075'Woodford 10,700'Atoka —

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
6,841–9,023 ft	Perforated
6,841–10,531 ft	Perforated

Casing (3)

Size	Set Depth	Cement
12.75"	378 ft	350 sx
8.625"	4,549 ft	700 sx
4.5"	10,671 ft	1,600 sx

Permit History (2)

#835403 Recompletion Final Completion

HERREN '5-8' · 10,671 ft

2018-01-26

#662242 Drill Y

HERREN "5" · 12,000 ft

2008-06-06

Spud 2008-06-07

Applications (2)

#835403 A ENDEAVOR ENERGY RESOURCES L.P.

received 2018-01-19

#662242 A ENDEAVOR ENERGY RESOURCES L.P.

received 2008-05-16

Records & Logs

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

W-2/G-1 2018-02-20

W-2/G-1 2009-03-25 log on file

W-2/G-1 2009-06-16

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 32.415073

Lon -101.725297

Well Details

Well Number: 1
Max Depth: 12,000 ft
Drill Type: Vertical
County: MARTIN
District: 8
Operator: DIAMONDBACK E&P LLC
Completed: 2008-09-20

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