42-135-41226

PRODUCING

SALLIE11

ECTOR County · District 8 · DIAMONDBACK E&P LLC · SALLIE ANN (SPRABERRY-WOLFCAMP)

Permits

1

Max Depth

10,800 ft

First Permit

2011-06-29

Latest Activity

2011-06-29

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2012-01-17

Shut-In

Plugged

P-5 Org Status: X

!

EWA / Permit operator mismatch

Scheduling: DIAMONDBACK E&P LLC ≠ Permit: COG OPERATING LLC

Resolved via: productionDIAMONDBACK E&P LLC

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2008-01

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 2,855 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SPRABERRY 7,890 ft-5,035 ft
DEAN 9,025 ft-6,170 ft
WOLFCAMP 9,120 ft-6,265 ft
LOWER WOLFCAMP (Wolfcamp)9,450 ft-6,595 ft
BASE WOLFCAMP (Wolfcamp)10,060 ft-7,205 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 (1)

IntervalType
8,130–10,000 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"440 ft300 sx
5.5"10,270 ft655 sx

Permit History (1)

Applications (1)

#717791 A COG OPERATING LLC
received 2011-06-06

Records & Logs

1 completion filing on record · 1 with log images at RRC.

W-2/G-1 2012-02-03 log on file
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 ECTOR County.

Well Details

Well Number
28
Max Depth
10,800 ft
Drill Type
Vertical
County
ECTOR
District
8
Completed
2012-01-17

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
4,970