42-317-34539

SHUT IN

PETERS 21

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

Permits

Max Depth

12,000 ft

First Permit

2005-03-03

Latest Activity

2017-11-28

Lifespan

13 yrs

Regulatory Status

Schedule

ON SCHEDULE

Completion

2005-07-22

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

2005-07

Last Production

2026-07

Operator History

Chain of Custody

ENDEAVOR ENERGY RESOURCES L.P. 2005-2024→ 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 (6) Elevation 2,856 ft

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
CLEARFORK (Clear Fork)	5,950 ft	-3,094 ft
SPRABERRY	7,780 ft	-4,924 ft
LOWER SPRABERRY (Spraberry)	8,325 ft	-5,469 ft
DEAN	9,125 ft	-6,269 ft
WOLFCAMP	9,400 ft	-6,544 ft
STRAWN	10,650 ft	-7,794 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

✓ 42-317-30746 PETERS '20' · ENDEAVOR ENERGY RESOURCES L.P.

0.4 mi

Spraberry 7,750'Spraberry 8,275'Wolfcamp 10,000'Strawn 10,300'Atoka —

✓ 42-115-33152 PETERS '21' · ENDEAVOR ENERGY RESOURCES L.P.

0.4 mi

Spraberry 7,775'Spraberry 8,325'Dean 9,175'Wolfcamp 9,400'Strawn 10,668'Strawn 10,700'Strawn 10,950'Atoka —

✓ 42-115-33121 PETERS '25' · ENDEAVOR ENERGY RESOURCES L.P.

0.5 mi

Spraberry 7,775'Spraberry 8,315'Wolfcamp 10,000'Strawn 10,670'Strawn 10,875'Atoka —

✓ 42-317-34616 PETERS '20' · ENDEAVOR ENERGY RESOURCES L.P.

0.6 mi

Yates 2,675'San Andres 5,100'Clear Fork 7,625'Spraberry 7,790'Wolfcamp 10,050'Wolfcamp 10,050'Strawn 10,625'Atoka —

✓ 42-115-33151 PETERS '25' · ENDEAVOR ENERGY RESOURCES L.P.

0.9 mi

Spraberry 7,775'Spraberry 8,325'Wolfcamp 10,000'Strawn 10,675'Strawn 10,710'Atoka —

✓ 42-115-33815 TRIGGER 19-18 · RELIANCE ENERGY, INC.

2.1 mi

Yates 2,955'San Andres 4,849'San Andres 4,849'Spraberry 7,797'Dean 9,164'Wolfcamp 9,285'Mississippian —Silurian (undifferentiated) —Devonian —Pennsylvanian —Canyon —

✓ 42-115-33939 PULA 29 SWD · STONEHILL CULBERSON, LLC

2.4 mi

Rustler 1,878'Salado 1,953'Tansill 2,539'Yates 2,648'Seven Rivers 2,865'Queen 3,819'Grayburg 4,343'San Andres 4,618'Glorieta 5,171'Clear Fork 5,685'

✓ 42-317-40667 T-Y · GUIDON ENERGY MGMT SERVICES LLC

2.7 mi

Santa Rosa 1,000'Yates 2,200'San Andres 3,500'Grayburg 3,950'Queen 4,100'Spraberry 7,787'Cisco 8,500'Dean 9,137'Wolfcamp 9,280'Pennsylvanian 10,159'

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
7,765–10,521 ft	Perforated
7,765–10,964 ft	Perforated

Casing (3)

Size	Set Depth	Cement
12.75"	385 ft	575 sx
8.625"	5,289 ft	425 sx
4.5"	11,003 ft	1,270 sx

Permit History (2)

#833385 Recompletion Final Completion

PETERS '21' · 11,010 ft

2017-11-28

#558505 Drill Final Completion

PETERS "21" · 12,000 ft

2005-03-03

Spud 2005-03-18

Applications (2)

#833385 A ENDEAVOR ENERGY RESOURCES L.P.

received 2017-11-17

#558505 A ENDEAVOR ENERGY RESOURCES L.P.

received 2005-03-03

Records & Logs

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

W-2/G-1 2018-04-06

W-2/G-1 2005-08-05 log on file

W-2/G-1 2006-12-12

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 32.519389

Lon -102.005444

Well Details

Well Number: 3
Max Depth: 12,000 ft
Drill Type: Vertical
County: MARTIN
District: 8
Operator: DIAMONDBACK E&P LLC
Completed: 2005-07-22

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