42-173-30904

Final Completion

HUBBARD -18-

GLASSCOCK County · District 8 · ENDEAVOR ENERGY RESOURCES L.P. · SPRABERRY (TREND AREA)

Permits

Max Depth

10,450 ft

First Permit

1978-01-09

Latest Activity

2000-06-09

Lifespan

22 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1978-02-06

Shut-In

—

Plugged

—

EWA / Permit operator mismatch

Scheduling: ENDEAVOR ENERGY RESOURCES L.P. ≠ Permit: STEPHENS, AUTRY C.

Resolved via: scheduling → ENDEAVOR ENERGY RESOURCES L.P.

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

SOUTHWEST ROYALTIES, INC. 1993-1995→ WJC, INC. 1995-1997→ STEPHENS, AUTRY C. 1998-2000→ ENDEAVOR ENERGY RESOURCES L.P. 2000-2023

Lease Production

Production is reported at the lease level. View production data, decline curves, and history on the lease page.

Formation Tops (4) Elevation 2,689 ft (KB)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
YATES	1,790 ft	+899 ft
GRAYBURG	2,703 ft	-14 ft
UPPER SPRABERRY (Spraberry)	6,161 ft	-3,472 ft
LOWER SPRABERRY (Spraberry)	6,979 ft	-4,290 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 (3)

Interval	Type
7,585–7,702 ft	Perforated
9,862–10,009 ft	Perforated
?–7,702 ft	Perforated

Casing (5)

Size	Set Depth	Cement
9.625"	455 ft	300 sx
9.625"	455 ft	300 sx
4.5"	7,870 ft	600 sx
4.5"	7,870 ft	600 sx
2.875"	10,480 ft	130 sx

Permit History (2)

#495991 Recompletion Final Completion

HUBBARD "18" · 10,450 ft

2000-06-09

Spud 2000-06-09

#15920 Drill

HUBBARD · 7,850 ft

1978-01-09

Applications (2)

#495991 A STEPHENS, AUTRY C.

received 2000-06-09

#15920 A TRI-SERVICE DRILLING CO.

received 1978-01-09

Records & Logs

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

W-2/G-1 2000-09-05 log on file

W-2/G-1 1996-04-23

W-2/G-1 1978-04-26

Completion packets + logs ↗ Wellbore filings ↗

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: 2
Max Depth: 10,450 ft
Drill Type: Vertical
County: GLASSCOCK
District: 8
Operator: ENDEAVOR ENERGY RESOURCES L.P.
Completed: 1978-02-06

Operator

Name: ENDEAVOR ENGY RES L.P
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