42-329-35141

PRODUCING

PERRO ROJO 12A

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

Permits

2

Max Depth

12,000 ft

First Permit

2004-07-23

Latest Activity

2018-03-12

Lifespan

14 yrs

Regulatory Status

Schedule

ON SCHEDULE

Completion

2004-11-08

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: 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)7,575 ft-4,857 ft
LOWER SPRABERRY (Spraberry)8,150 ft-5,432 ft
U. WOLFCAMP9,500 ft-6,782 ft
L. WOLFCAMP10,275 ft-7,557 ft
STRAWN 10,750 ft-8,032 ft
STRAWN 10,800 ft-8,082 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
42-329-35089 PERRO ROJO 12A · ENDEAVOR ENERGY RESOURCES L.P.
0.2 mi
Spraberry 7,525'Spraberry 8,100'Wolfcamp 9,475'Wolfcamp 10,250'Strawn 10,759'Strawn 10,765'Atoka
42-329-34995 PERRO ROJO '12' · ENDEAVOR ENERGY RESOURCES L.P.
0.5 mi
Spraberry 7,525'Spraberry 8,085'U. WOLFCAMP 9,525'L. WOLFCAMP 10,250'Strawn 10,725'Strawn 10,750'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'
42-329-43514 TXL 11 UNIT 4 1418 · XTO ENERGY INC.
0.6 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
42-329-46016 TXL 11 UNIT 2 · XTO ENERGY INC.
0.7 mi
Santa Rosa 766'Rustler 1,657'Yates 2,623'Seven Rivers 2,916'Queen 3,370'Grayburg 4,225'San Andres 4,418'Glorieta 4,826'Clear Fork 6,696'Spraberry 7,152'
42-329-43510 TXL 11 UNIT 4 1418 · XTO ENERGY INC.
0.7 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

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
8,147–10,603 ftPerforated
8,147–10,958 ftPerforated

Casing (3)

SizeSet DepthCement
12.75"290 ft300 sx
8.625"4,998 ft425 sx
4.5"11,100 ft1,270 sx

Permit History (2)

Applications (2)

#837407 A ENDEAVOR ENERGY RESOURCES L.P.
received 2018-03-12
#548512 A ENDEAVOR ENERGY RESOURCES L.P.
received 2004-07-20

Records & Logs

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

W-2/G-1 2018-05-10
W-2/G-1 2004-12-20 log on file
W-2/G-1 2005-02-02

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 31.739091
Lon -101.975105

Well Details

Well Number
2
Max Depth
12,000 ft
Drill Type
Vertical
County
MIDLAND
District
8
Completed
2004-11-08

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