42-389-34357

PRODUCING Horizontal

BIG CHIEF

REEVES County · District 8 · SCOUT ENERGY MANAGEMENT LLC · HOEFS T-K (WOLFCAMP)

Permits

1

Max Depth

11,000 ft

First Permit

2014-07-22

Latest Activity

2014-07-22

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2015-11-11

Shut-In

Plugged

P-5 Org Status: Active

!

EWA / Permit operator mismatch

Scheduling: SCOUT ENERGY MANAGEMENT LLC ≠ Permit: COG OPERATING LLC

Resolved via: productionSCOUT ENERGY MANAGEMENT LLC

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2012-07

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 2,934 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
FORD-DELAWARE (Delaware)2,500 ft+434 ft
CASTILLE (Castile)2,800 ft+134 ft
BELL CANYON 4,800 ft-1,866 ft
DELAWARE 5,201 ft-2,267 ft
CHERRY CANYON 5,998 ft-3,064 ft
DELAWARE CONSOLIDATED GAS (Delaware)6,500 ft-3,566 ft
BONE SPRINGS (Bone Spring)7,998 ft-5,064 ft
WOLFCAMP 10,133 ft-7,199 ft
PENNSYLVANIAN
PERMIAN (Permian (undifferentiated))

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
10,443–16,000 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"1,665 ft1,610 sx
9.625"5,235 ft1,590 sx
7"11,020 ft725 sx

Permit History (1)

Applications (1)

#788624 A COG OPERATING LLC
received 2014-06-04

Records & Logs

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

W-2/G-1 2026-04-09
W-2/G-1 2016-01-06 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 REEVES County.

Well Details

Well Number
4620H
Max Depth
11,000 ft
Drill Type
Horizontal
County
REEVES
District
8
Completed
2015-11-11

Operator

Location
DALLAS
P-5 Status
Active (filed 2025-09-22)
Cum Oil (all leases)
26,696,017 bbl
Cum Gas (all leases)
401,040,439 mcf
Activities
CSGD/G, CSGD/P, G/PUR, GTHS/G, GTHS/O, OPRS/G, OPRS/O
Total Permits
478