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BAYLISS

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

Permits

Max Depth

12,000 ft

First Permit

1985-10-01

Latest Activity

1985-12-19

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

1985-12-29

Shut-In

—

Plugged

—

P-5 Org Status: X

EWA / Permit operator mismatch

Scheduling: DIAMONDBACK E&P LLC ≠ Permit: HCW EXPLORATION, INC.

Resolved via: scheduling → DIAMONDBACK E&P LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

CARLOW CORP. 1993-2007→ LEGACY RESERVES OPERATING LP 2007-2016→ DIAMONDBACK E&P LLC 2016-2023

Lease Production

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

Formation Tops (6) Elevation 2,895 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
SPRABERRY	8,148 ft	-5,253 ft
DEAN	9,364 ft	-6,469 ft
WOLFCAMP	9,522 ft	-6,627 ft
STRAWN	10,596 ft	-7,701 ft
ATOKA	10,954 ft	-8,059 ft
BARNETT SHALE (Barnett)	11,223 ft	-8,328 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
8,151–8,504 ft	Perforated
8,580–9,192 ft	Perforated
9,368–10,133 ft	Perforated
10,928–11,220 ft	Perforated

Casing (3)

Size	Set Depth	Cement
13.375"	342 ft	350 sx
8.625"	4,710 ft	400 sx
4.5"	11,407 ft	1,640 sx

Permit History (2)

#293292 Recompletion Final Completion

BAYLISS · 11,407 ft

1985-12-19

#286208 Drill Final Completion

BAYLISS · 12,000 ft

1985-10-01

Spud 1985-10-29

Applications (2)

#293292 A HCW EXPLORATION, INC.

received 1985-12-19

#286208 A HCW EXPLORATION, INC.

received 1985-10-01

Records & Logs

4 completion filings on record · 2 with log images at RRC.

W-2/G-1 1986-01-13 log on file

W-2/G-1 1986-01-18

W-2/G-1 1985-12-20 log on file

W-2/G-1 1986-01-01

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.

No GPS coordinates yet

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

Well Details

Well Number: 1
Max Depth: 12,000 ft
Drill Type: Vertical
County: MIDLAND
District: 8
Operator: DIAMONDBACK E&P LLC
Completed: 1985-12-29

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: 5,021