42-173-31738

Final Completion

CALVERLEY -24-

GLASSCOCK County · District 8 · ENDEAVOR ENERGY RESOURCES L.P. · BLALOCK LAKE E. (WOLFCAMP)

Permits

1

Max Depth

8,000 ft

First Permit

1984-11-08

Latest Activity

1984-11-08

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2002-08-02

Shut-In

Plugged

!

EWA / Permit operator mismatch

Scheduling: ENDEAVOR ENERGY RESOURCES L.P. ≠ Permit: DIAMOND SHAMROCK EXPLORATION CO.

Resolved via: schedulingENDEAVOR ENERGY RESOURCES L.P.

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1993-01

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 (8) Elevation 2,574 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
CLEAR FORK 5,693 ft-3,119 ft
CLEARFORK (Clear Fork)5,693 ft-3,119 ft
UPPER SPRABERRY (Spraberry)6,016 ft-3,442 ft
LOWER SPRABERRY (Spraberry)6,512 ft-3,938 ft
T/REEF7,260 ft-4,686 ft
DEAN 7,305 ft-4,731 ft
WOLFCAMP 7,430 ft-4,856 ft
WOLFCAMP LIME (Wolfcamp)7,618 ft-5,044 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 (4)

IntervalType
7,666–7,676 ftPerforated
7,730–7,750 ftPerforated
7,800–7,807 ftPerforated
7,800–7,810 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"355 ft375 sx
8.625"2,750 ft200 sx
5.5"8,016 ft265 sx

Permit History (1)

Applications (1)

#257392 A DIAMOND SHAMROCK EXPLORATION CO.
received 1984-11-07

Records & Logs

5 completion filings on record.

W-2/G-1 2002-10-07
W-2/G-1 2002-10-07
W-2/G-1 2000-07-12
W-2/G-1 1985-03-27
W-2/G-1 1985-04-02

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
6
Max Depth
8,000 ft
Drill Type
Vertical
County
GLASSCOCK
District
8
Completed
2002-08-02

Operator

Location
MIDLAND
P-5 Status
Active (filed 2026-06-12)
Cum Oil (all leases)
507,205,629 bbl
Cum Gas (all leases)
70,424,421 mcf
Total Permits
6,190