42-317-33321

Final Completion

CROSS BAR RANCH A

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

Permits

Max Depth

12,000 ft

First Permit

1985-12-23

Latest Activity

2006-09-18

Lifespan

21 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2006-12-11

Shut-In

—

Plugged

2025-06-30

EWA / Production operator mismatch

Scheduling: DIAMONDBACK E&P LLC ≠ Production: COG OPERATING LLC (reported 2026-04)

EWA / Permit operator mismatch

Scheduling: DIAMONDBACK E&P LLC ≠ Permit: LOTHIAN OIL TEXAS I, INC.

Resolved via: production → COG OPERATING LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

2006-12

Last Production

2026-07

Operator History

Chain of Custody

LOTHIAN OIL TEXAS I, INC. 2006-2008→ PATRIOT RESOURCES, INC. 2008-2011→ RSP PERMIAN, LLC 2011-2018→ COG OPERATING LLC 2018-2026→ DIAMONDBACK E&P LLC 2021-2026

Lease Production

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

Formation Tops (7) Elevation 2,879 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
GLORIETA	5,690 ft	-2,811 ft
CLEARFORK (Clear Fork)	7,440 ft	-4,561 ft
SPRABERRY	8,023 ft	-5,144 ft
SPRABERRY	8,110 ft	-5,231 ft
DEAN	9,310 ft	-6,431 ft
STRAWN	10,446 ft	-7,567 ft
LOWER ATOKA (Atoka)	11,008 ft	-8,129 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 ↗

Perforations (4)

Interval	Type
9,588–9,644 ft	Perforated
9,870–9,938 ft	Perforated
9,938–9,870 ft	Perforated
11,008–11,031 ft	Perforated

Casing (6)

Size	Set Depth	Cement
13.375"	368 ft	400 sx
13.375"	368 ft	400 sx
8.625"	2,410 ft	1,435 sx
8.625"	4,710 ft	1,435 sx
8.625"	4,710 ft	1,435 sx
7"	10,400 ft	310 sx

Permit History (3)

#626036 Reenter Final Completion

CROSS BAR RANCH · 11,100 ft

2006-09-18

Spud 2006-09-12

#351794 Recompletion

COWDEN "30" · 10,400 ft

1988-09-30

#293512 Drill Final Completion

COWDEN "30" · 12,000 ft

1985-12-23

Applications (3)

#626036 A LOTHIAN OIL TEXAS I, INC.

received 2006-09-15

#351794 A HERITAGE RESOURCES, INC.

received 1988-09-30

#293512 A HERITAGE RESOURCES, INC.

received 1985-12-23

Records & Logs

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

W-2/G-1 2011-08-16 log on file

W-2/G-1 2006-12-20 log on file

W-2/G-1 2007-02-27

W-2/G-1 1986-03-14 log on file

W-2/G-1 1986-03-18

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.

No GPS coordinates yet

Coordinates come from the RRC GIS backfill and usually appear within days of permit issuance. Located in MARTIN County.

Well Details

Well Number: 1
Max Depth: 12,000 ft
Drill Type: Vertical
County: MARTIN
District: 8
Operator: DIAMONDBACK E&P LLC
Completed: 2006-12-11

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: 4,991