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BIG CHIEF

REEVES County · District 8 · SELECT WATER SOLUTIONS LLC · WOLFBONE (TREND AREA)

Permits

1

Max Depth

8,500 ft

First Permit

2013-09-26

Latest Activity

2013-09-26

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2014-04-14

Shut-In

Plugged

P-5 Org Status: Active

!

EWA / Permit operator mismatch

Scheduling: SELECT WATER SOLUTIONS LLC ≠ Permit: COG OPERATING LLC

Resolved via: schedulingSELECT WATER SOLUTIONS LLC

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2014-04

Last Production

2026-07

W-14 Disposal Active UIC #000108519 permitted 2013-10-30

Permitted Volume

20,000 bbl/d

Max Pressure

2,650 psi

Injection Interval

5,300–8,000 ft

Injected (12mo)

784,767 bbl

Monthly injected volume (bbl, from H-10 filings through 2026-04-01)

Operator History

originally filed by COG OPERATING LLC — asset transferred

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)
CASTILLE (Castile)3,965 ft-1,110 ft
DELAWARE 5,218 ft-2,363 ft
DELAWARE CONSOLIDATED GAS (Delaware)5,218 ft-2,363 ft
FORD-DELAWARE (Delaware)5,218 ft-2,363 ft
BELL CANYON 5,266 ft-2,411 ft
CHERRY CANYON 6,055 ft-3,200 ft
BONE SPRINGS (Bone Spring)
PENNSYLVANIAN
PERMIAN (Permian (undifferentiated))
WOLFCAMP

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
6,355–6,489 ftPerforated

Casing (2)

SizeSet DepthCement
9.875"1,930 ft720 sx
7"7,250 ft620 sx

Permit History (1)

Applications (1)

#770383 A COG OPERATING LLC
received 2013-09-19

Records & Logs

1 completion filing on record.

W-2/G-1 2015-12-14
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 REEVES County.

Well Details

Well Number
172SW
Max Depth
8,500 ft
Drill Type
Vertical
County
REEVES
District
8
Completed
2014-04-14

Operator

Location
MUSTANG
P-5 Status
Active (filed 2025-09-23)
Cum Oil (all leases)
— bbl
Cum Gas (all leases)
— mcf
Activities
OPRS/G, OPRS/O
Total Permits
8