42-135-40044

PRODUCING

SALLIE B

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

Permits

2

Max Depth

10,800 ft

First Permit

2009-12-15

Latest Activity

2009-12-15

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2010-10-02

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

2005-10

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 2,845 ft

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SPRABERRY 7,875 ft-5,030 ft
DEAN 8,990 ft-6,145 ft
WOLFCAMP 9,075 ft-6,230 ft
LOWER WOLFCAMP (Wolfcamp)9,475 ft-6,630 ft
BASE BIG LIME10,020 ft-7,175 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
8,020–10,000 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"466 ft290 sx
5.5"10,163 ft535 sx

Permit History (2)

Applications (2)

#687581 A COG OPERATING LLC
received 2010-06-24
#687581 A COG OPERATING LLC
received 2009-11-18

Records & Logs

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

W-2/G-1 2010-10-29 log on file
W-2/G-1 2011-03-11
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
1216
Max Depth
10,800 ft
Drill Type
Vertical
County
ECTOR
District
8
Completed
2010-10-02

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
4,977