42-329-35089

Final Completion

PERRO ROJO 12A

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

Permits

2

Max Depth

12,000 ft

First Permit

2004-03-29

Latest Activity

2018-03-12

Lifespan

14 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

Shut-In

Plugged

!

EWA / Permit operator mismatch

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

Resolved via: productionDIAMONDBACK E&P LLC

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2004-06

Last Production

2026-07

Lease Production

Production is reported at the lease level. View production data, decline curves, and history on the lease page.

Formation Tops (7) Elevation 2,718 ft

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
UPPER SPRABERRY (Spraberry)7,525 ft-4,807 ft
LOWER SPRABERRY (Spraberry)8,100 ft-5,382 ft
UPPER WOLFCAMP (Wolfcamp)9,475 ft-6,757 ft
LOWER WOLFCAMP (Wolfcamp)10,250 ft-7,532 ft
STRAWN 10,759 ft-8,041 ft
STRAWN 10,765 ft-8,047 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
42-329-35141 PERRO ROJO 12A · ENDEAVOR ENERGY RESOURCES L.P.
0.2 mi
Spraberry 7,575'Spraberry 8,150'U. WOLFCAMP 9,500'L. WOLFCAMP 10,275'Strawn 10,750'Strawn 10,800'Atoka
42-329-34995 PERRO ROJO '12' · ENDEAVOR ENERGY RESOURCES L.P.
0.3 mi
Spraberry 7,525'Spraberry 8,085'U. WOLFCAMP 9,525'L. WOLFCAMP 10,250'Strawn 10,725'Strawn 10,750'Atoka
42-329-43514 TXL 11 UNIT 4 1418 · XTO ENERGY INC.
0.4 mi
Santa Rosa 794'Santa Rosa 797'Yates 2,592'Yates 2,599'Seven Rivers 2,925'Seven Rivers 2,967'Queen 3,572'Queen 3,703'Grayburg 4,213'Grayburg 4,216'San Andres 4,367'San Andres 4,370' +7 more
42-329-43510 TXL 11 UNIT 4 1418 · XTO ENERGY INC.
0.4 mi
Santa Rosa 796'Santa Rosa 797'Yates 2,595'Yates 2,597'Seven Rivers 2,924'Seven Rivers 2,970'Queen 3,571'Queen 3,706'Grayburg 4,215'Grayburg 4,216'San Andres 4,369'San Andres 4,370' +8 more
42-329-34894 PERRO ROJO '12' · ENDEAVOR ENERGY RESOURCES L.P.
0.6 mi
Spraberry 7,400'Spraberry 8,100'U. WOLFCAMP 9,500'L. WOLFCAMP 10,225'Strawn 10,725'Atoka
42-329-46019 TXL 11 UNIT 2 · XTO ENERGY INC.
0.6 mi
Santa Rosa 724'Rustler 1,629'Yates 2,623'Seven Rivers 2,905'Queen 3,359'Grayburg 4,184'San Andres 4,398'Glorieta 4,805'Clear Fork 6,683'Spraberry 7,180'
42-329-46018 TXL 11 UNIT 2 · XTO ENERGY INC.
0.6 mi
Santa Rosa 766'Rustler 1,646'Yates 2,603'Seven Rivers 2,899'Queen 3,353'Grayburg 4,225'San Andres 4,384'Glorieta 4,819'Clear Fork 6,683'Spraberry 7,166'
42-329-46017 TXL 11 UNIT 2 · XTO ENERGY INC.
0.6 mi
Santa Rosa 759'Rustler 1,636'Yates 2,603'Seven Rivers 2,899'Queen 3,353'Grayburg 4,218'San Andres 4,370'Glorieta 4,819'Clear Fork 6,703'Spraberry 7,166'

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
8,129–10,583 ftPerforated
8,129–10,978 ftPerforated

Casing (3)

SizeSet DepthCement
12.75"295 ft300 sx
8.625"5,010 ft425 sx
4.5"11,077 ft1,270 sx

Permit History (2)

Applications (2)

#837406 A ENDEAVOR ENERGY RESOURCES L.P.
received 2018-03-12
#543729 A ENDEAVOR ENERGY RESOURCES L.P.
received 2004-03-26

Records & Logs

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

W-2/G-1 2018-05-21
W-2/G-1 2004-08-17 log on file
W-2/G-1 2004-10-12
W-2/G-1 2004-10-04

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.

Lat 31.742029
Lon -101.976873

Well Details

Well Number
1
Max Depth
12,000 ft
Drill Type
Vertical
County
MIDLAND
District
8

Operator

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