42-329-37379

PRODUCING

PECK A

MIDLAND County · District 7 · DIAMONDBACK E&P LLC · SPRABERRY (TREND AREA)

Permits

Max Depth

12,118 ft

First Permit

2011-06-17

Latest Activity

2018-08-27

Lifespan

7 yrs

Regulatory Status

Schedule

ON SCHEDULE

Completion

2011-09-18

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

2006-11

Last Production

2026-07

Operator History

Chain of Custody

LCX ENERGY, LLC 2006-2009→ ENDEAVOR ENERGY RESOURCES L.P. 2009-2024→ 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 (5) Elevation 2,897 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
SPRABERRY	7,775 ft	-4,878 ft
SPRABERRY (TREND AREA)	7,775 ft	-4,878 ft
STRAWN	10,100 ft	-7,203 ft
ATOKA	10,786 ft	-7,889 ft
DEVONIAN	11,675 ft	-8,778 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

✓ 42-329-35987 PECK 'A' · LCX ENERGY, LLC

0.3 mi

SPRABERRY (TREND AREA) 7,855'Spraberry 7,855'Dean 9,020'WOLFCAMP 9,147'Strawn 10,156'Bend 10,432'ATOKA —

✓ 42-329-37431 PECK 'A' · ENDEAVOR ENERGY RESOURCES L.P.

0.3 mi

SPRABERRY (TREND AREA) 7,775'SPRAYBERRY 7,775'Pennsylvanian 10,050'Strawn 10,050'Bend 10,405'DEVONIAN 11,600'

✓ 42-461-35400 PECK 'A' · LCX ENERGY, LLC

0.4 mi

Spraberry 7,825'Spraberry 8,300'Dean 9,025'Wolfcamp 9,150'Strawn 10,125'PENN LIME 10,150'Bend 10,425'BEND LIME 10,450'ATOKA —

✓ 42-329-35986 PECK 'A' · LCX ENERGY, LLC

0.5 mi

SPRABERRY (TREND AREA) 7,862'SPRAYBERRY 7,862'Strawn 10,162'Bend 10,450'ATOKA —

✓ 42-461-35219 PECK 'A' · LCX ENERGY, LLC

0.6 mi

Yates 2,875'San Andres 4,925'SAN ADNRES 4,925'Spraberry 7,800'Dean 9,000'WOLFCAMP 9,100'Strawn 10,100'Bend 10,480'ATOKA —

✓ 42-461-33586 WAKEFIELD TRUST · TERRACE PETROLEUM CORPORATION

0.6 mi

Spraberry 7,510'Clear Fork 7,510'WOLFCAMP 9,144'Canyon 9,950'Strawn 10,144'Pennsylvanian 10,496'Bend 10,496'Mississippian 11,272'

✓ 42-461-39929 DORCUS JANEY (SA) A · SM ENERGY COMPANY

0.8 mi

WOLFCAMP 9,168'Grayburg —DEVONIAN —Fusselman —Ellenburger —Spraberry —Strawn —Yates —San Andres —

✓ 42-461-42550 DORCUS JANEY E · SM ENERGY COMPANY

0.9 mi

Yates 2,936'Grayburg 4,515'San Andres 4,646'Spraberry 7,956'WOLFCAMP 9,225'Strawn 10,225'BARNETT SHALE 11,252'DEVONIAN —Strawn —Ellenburger —Fusselman —

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 (3)

Interval	Type
9,140–10,012 ft	Perforated
9,140–11,961 ft	Perforated
9,140–11,961 ft	Open hole

Casing (3)

Size	Set Depth	Cement
13.375"	415 ft	425 sx
9.625"	5,160 ft	2,050 sx
5.5"	12,118 ft	1,380 sx

Permit History (3)

#843946 Recompletion Final Completion

PECK 'A' · 12,118 ft

2018-08-27

Spud 2011-06-25

#838028 Recompletion Final Completion

PECK 'A' · 12,118 ft

2018-04-02

#717998 Drill Final Completion

PECK 'A' · 12,000 ft

2011-06-17

Spud 2011-06-25

Applications (3)

#843946 A ENDEAVOR ENERGY RESOURCES L.P.

received 2018-08-24

#838028 A ENDEAVOR ENERGY RESOURCES L.P.

received 2018-03-26

#717998 A ENDEAVOR ENERGY RESOURCES L.P.

received 2011-06-08

Records & Logs

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

W-2/G-1 2018-10-11

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

W-2/G-1 2012-01-11 log on file

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 31.652680

Lon -102.231975

Well Details

Well Number: 4R
Max Depth: 12,118 ft
Drill Type: Vertical
County: MIDLAND
District: 7
Operator: DIAMONDBACK E&P LLC
Completed: 2011-09-18

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