42-173-32427

Final Completion

HALFMAN LEASE 21

GLASSCOCK County · District 8 · ATROPOS EXPLORATION COMPANY

Permits

2

Max Depth

8,700 ft

First Permit

1994-03-25

Latest Activity

2009-10-27

Lifespan

16 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

Shut-In

Plugged

1994-05-25

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2010-03

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 (3) Elevation 2,707 ft

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
LOWER CLEARFORK (Clear Fork)5,675 ft-2,968 ft
SPRABERRY 6,430 ft-3,723 ft
LOWER WOLFCAMP (Wolfcamp)8,418 ft-5,711 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
7,228–8,482 ftPerforated

Casing (1)

SizeSet DepthCement
5.5"8,650 ft1,350 sx

Permit History (2)

Applications (2)

#686034 A ATROPOS EXPLORATION COMPANY
received 2009-10-12
#422406 A COSTILLA PETROLEUM CORPORATION
received 1994-03-25

Records & Logs

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

W-2/G-1 2020-02-21
W-2/G-1 2010-06-28 log on file
W-2/G-1 2010-12-13

Completion packets open directly (post-2011 filings include attached logs). Log images 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 GLASSCOCK County.

Well Details

Well Number
1
Max Depth
8,700 ft
Drill Type
Vertical
County
GLASSCOCK
District
8

Operator

Location
DALLAS
P-5 Status
X (filed 2026-04-28)
Cum Oil (all leases)
505,867 bbl
Cum Gas (all leases)
1,409,516 mcf
Activities
OPRS/G, OPRS/O
Total Permits
56