← Wells

42-461-32516

Final Completion

POWELL 10A

UPTON County · District 7 · ENDEAVOR ENERGY RESOURCES L.P. · PEGASUS S. (DEVONIAN)

Permits

3

Max Depth

13,500 ft

First Permit

1985-11-18

Latest Activity

2011-02-07

Lifespan

25 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1986-01-21

Shut-In

—

Plugged

—

!

EWA / Production operator mismatch

Scheduling: ENDEAVOR ENERGY RESOURCES L.P. ≠ Production: DIAMONDBACK E&P LLC (reported 2026-04)

Resolved via: production → DIAMONDBACK E&P LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

GRAHAM ROYALTY, LTD. 1993-1993→ MIDPAR L.P. 1993-1995→ PARKER & PARSLEY DEVELOPMENT L.P 1995-1995→ COSTILLA PETROLEUM CORPORATION 1995-1997→ COSTILLA ENERGY, INC. 1997-1997→ CONCHO RESOURCES INC. 1998-1999→ BRECK OPERATING CORP. 1999-2004→ ENDEAVOR ENERGY RESOURCES L.P. 2004-2024→ DIAMONDBACK E&P LLC 2025-2026

Lease Production

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

Gas
production & DCA →
Gas
production & DCA →
Gas
production & DCA →
Oil
production & DCA →
Oil
production & DCA →
Oil
production & DCA →

Formation Tops (8) Elevation 2,852 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
LOWER CLEARFORK (Clear Fork)7,358 ft-4,506 ft
SPRABERRY (TREND AREA) (Spraberry)7,703 ft-4,851 ft
DEAN 8,959 ft-6,107 ft
WOLFCAMP 9,138 ft-6,286 ft
STRAWN 10,187 ft-7,335 ft
BEND 10,519 ft-7,667 ft
MISSISSIPPIAN 11,506 ft-8,654 ft
DEVONIAN 11,982 ft-9,130 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 (6)

IntervalType
3,082–3,187 ftPerforated
8,760–10,462 ftPerforated
10,522–10,528 ftPerforated
10,522–10,547 ftPerforated
10,540–10,547 ftPerforated
11,988–12,000 ftPerforated

Casing (5)

SizeSet DepthCement
13.375"386 ft375 sx
8.625"862 ft440 sx
5.5"3,600 ft750 sx
8.625"4,910 ft1,000 sx
4.5"12,348 ft2,550 sx

Permit History (3)

#709327 Recompletion Final Completion

POWELL '10A' · 12,348 ft

2011-02-07

Spud 2011-02-21

#301194 Drill Final Completion

POWELL "10" · 13,000 ft

1986-04-16

#290657 Drill

POWELL "10" · 13,500 ft

1985-11-18

Applications (4)

#709327 A ENDEAVOR ENERGY RESOURCES L.P.
received 2011-01-27
#301194 A GRUSS PETROLEUM MANAGEMENT, INC.
received 1986-03-11
#290657 A GRUSS PETROLEUM MANAGEMENT, INC.
received 1985-12-09
#290657 A GRUSS PETROLEUM MANAGEMENT, INC.
received 1985-11-15

Records & Logs

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

W-2/G-1 2014-02-19 log on file
W-2/G-1 1997-01-23
W-2/G-1 1996-05-17
W-2/G-1 1996-07-16
W-2/G-1 1994-06-02
W-2/G-1 1994-06-09

+7 more filings

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 UPTON County.

Well Details

Well Number
1C
Max Depth
13,500 ft
Drill Type
Vertical
County
UPTON
District
7
Operator
ENDEAVOR ENERGY RESOURCES L.P.
Completed
1986-01-21

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