42-383-33609

Final Completion

ZULETTE 27-28

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

Permits

1

Max Depth

7,700 ft

First Permit

1985-11-08

Latest Activity

1985-11-08

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1985-12-06

Shut-In

Plugged

2014-08-04

!

EWA / Production operator mismatch

Scheduling: DIAMONDBACK E&P LLC ≠ Production: ENDEAVOR ENERGY RESOURCES L.P. (reported 2023-11)

!

EWA / Permit operator mismatch

Scheduling: DIAMONDBACK E&P LLC ≠ Permit: USENCO

Resolved via: schedulingDIAMONDBACK E&P LLC

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1993-01

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 (5) Elevation 2,511 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
UPPER SPRABERRY (Spraberry)5,745 ft-3,234 ft
LOWER SPRABERRY (Spraberry)6,296 ft-3,785 ft
JO MILL 6,613 ft-4,102 ft
DEAN 7,130 ft-4,619 ft
WOLFCAMP 7,302 ft-4,791 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 (3)

IntervalType
5,756–6,178 ftPerforated
6,309–6,788 ftPerforated
7,142–7,615 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"551 ft500 sx
8.625"3,381 ft450 sx
4.5"7,900 ft990 sx

Permit History (1)

Applications (1)

#289466 A USENCO
received 1985-11-07

Records & Logs

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

W-2/G-1 1986-02-07 log on file
W-2/G-1 1986-02-14
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 REAGAN County.

Well Details

Well Number
11
Max Depth
7,700 ft
Drill Type
Vertical
County
REAGAN
District
7
Completed
1985-12-06

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
4,978