42-135-42759

PRODUCING Horizontal

SALLIE

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

Permits

1

Max Depth

12,000 ft

First Permit

2013-10-08

Latest Activity

2013-10-08

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2014-08-01

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

2004-12

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 (10) Elevation 2,855 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
CANYON
DEVONIAN
FUSSELMAN
HOLT
MCKEE
PENNSYLVANIAN
SILURIAN (Silurian (undifferentiated))
STRAWN
TUBB
WICHITA ALBANY (Wichita-Albany)

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
10,051–15,098 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"1,422 ft1,350 sx
9.625"9,056 ft850 sx
5.5"15,246 ft2,450 sx

Permit History (1)

Applications (1)

#770942 A COG OPERATING LLC
received 2013-10-01

Records & Logs

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

W-2/G-1 2014-10-27 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
1428H
Max Depth
12,000 ft
Drill Type
Horizontal
County
ECTOR
District
8
Completed
2014-08-01

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
4,969