42-329-34838

Final Completion

PERRO ROJO 44

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

Permits

Max Depth

11,400 ft

First Permit

2003-03-13

Latest Activity

2018-03-12

Lifespan

15 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2003-09-24

Shut-In

—

Plugged

2026-02-24

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

2003-04

Last Production

2026-06

Operator History

Chain of Custody

ENDEAVOR ENERGY RESOURCES L.P. 2003-2024→ 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 (7) Elevation 2,696 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
SPRABERRY	7,635 ft	-4,939 ft
LOWER SPRABERRY (Spraberry)	8,175 ft	-5,479 ft
DEAN	8,905 ft	-6,209 ft
LOWER WOLFCAMP (Wolfcamp)	10,245 ft	-7,549 ft
STRAWN	10,740 ft	-8,044 ft
STRAWN	10,765 ft	-8,069 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

✓ 42-329-34487 PERRO ROJO '44' · PIONEER NATURAL RES. USA, INC.

0.3 mi

Spraberry 7,575'Spraberry 8,125'Dean 8,875'Wolfcamp 10,250'Strawn 10,750'Strawn 10,765'Atoka —

✓ 42-329-35039 PERRO ROJO '44' · ENDEAVOR ENERGY RESOURCES L.P.

0.4 mi

Spraberry 7,675'Spraberry 8,225'Dean 8,935'Wolfcamp 9,600'Wolfcamp 10,250'Strawn 10,750'Atoka —

✓ 42-329-34815 PERRO ROJO '2' · ENDEAVOR ENERGY RESOURCES L.P.

0.6 mi

Spraberry 7,575'Spraberry 7,575'Spraberry 8,125'Spraberry 8,125'Dean 8,860'Wolfcamp 9,225'Wolfcamp 10,250'Strawn 10,250'Strawn 10,650'Bend 11,025'

✓ 42-329-35182 PERRO ROJO '44' · ENDEAVOR ENERGY RESOURCES L.P.

0.8 mi

Spraberry 7,650'Spraberry 8,200'Wolfcamp 8,200'Dean 8,925'Wolfcamp 9,275'Strawn 9,275'Wolfcamp 10,225'Strawn 10,710'Atoka —

✓ 42-329-35105 PERRO ROJO '2' · ENDEAVOR ENERGY RESOURCES L.P.

0.8 mi

Spraberry 7,575'Spraberry 7,575'Spraberry 8,140'Spraberry 8,140'Dean 8,875'Wolfcamp 9,500'Wolfcamp 10,300'Strawn 10,740'Strawn 10,775'Atoka —

✓ 42-329-35216 PERRO ROJO '2' · ENDEAVOR ENERGY RESOURCES L.P.

1.1 mi

Spraberry 7,575'Spraberry 7,575'Spraberry 8,125'Spraberry 8,125'Dean 8,860'Wolfcamp 9,500'Wolfcamp 10,300'Strawn 10,785'Atoka —

✓ 42-329-34893 PERRO ROJO '10' · ENDEAVOR ENERGY RESOURCES L.P.

1.3 mi

Spraberry 7,610'Spraberry 8,175'Dean 8,910'Wolfcamp 9,575'Wolfcamp 10,000'Strawn 10,750'

✓ 42-329-43935 TXL 11 UNIT 3 · XTO ENERGY INC.

1.5 mi

Santa Rosa 771'Santa Rosa 786'Yates 2,589'Yates 2,594'Seven Rivers 2,917'Seven Rivers 2,918'Queen 3,563'Queen 3,696'Grayburg 4,204'Grayburg 4,208'San Andres 4,373'Glorieta 5,604' +7 more

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
8,217–10,485 ft	Perforated
8,217–10,958 ft	Perforated

Casing (3)

Size	Set Depth	Cement
12.75"	272 ft	250 sx
8.625"	4,879 ft	425 sx
4.5"	11,000 ft	1,270 sx

Permit History (2)

#837423 Recompletion Final Completion

PERRO ROJO '44' · 11,000 ft

2018-03-12

#529394 Drill Final Completion

PERRO ROJO "44" · 11,400 ft

2003-03-13

Spud 2003-05-30

Applications (2)

#837423 A ENDEAVOR ENERGY RESOURCES L.P.

received 2018-03-12

#529394 A ENDEAVOR ENERGY RESOURCES L.P.

received 2003-03-10

Records & Logs

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

W-2/G-1 2018-05-10

W-2/G-1 2003-11-13 log on file

W-2/G-1 2004-04-01

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 31.761789

Lon -102.009532

Well Details

Well Number: 2
Max Depth: 11,400 ft
Drill Type: Vertical
County: MIDLAND
District: 8
Operator: DIAMONDBACK E&P LLC
Completed: 2003-09-24

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: 4,977