← Wells

42-329-34996

Final Completion

COWDEN '28'

MIDLAND County · District 8 · ENDEAVOR ENERGY RESOURCES L.P.

Permits

3

Max Depth

11,500 ft

First Permit

2001-10-02

Latest Activity

2017-07-14

Lifespan

16 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

—

Shut-In

—

Plugged

—

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

2001-04

Last Production

2026-07

Operator History

Chain of Custody

ENDEAVOR ENERGY RESOURCES L.P. 2001-2024→ 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.

Oil
production & DCA →

Formation Tops (8) Elevation 2,777 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SPRABERRY 7,700 ft-4,923 ft
UPPER SPRABERRY (Spraberry)7,700 ft-4,923 ft
LOWER SPRABERRY (Spraberry)8,275 ft-5,498 ft
DEAN 9,065 ft-6,288 ft
UPPER WOLFCAMP (Wolfcamp)9,350 ft-6,573 ft
WOLFCAMP 9,350 ft-6,573 ft
LOWERWOLFCAMP10,275 ft-7,498 ft
STRAWN 10,900 ft-8,123 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 ↗

Offset Well Tops (nearest 8 wells with tops)

What nearby completed wells reported.

Cross-section
✓ 42-329-42930 TXL 32 UNIT 1 · XTO ENERGY INC.
0.3 mi
Santa Rosa 1,085'Yates 2,617'Seven Rivers 2,951'Queen 3,459'Grayburg 4,408'San Andres 4,626'Glorieta 5,185'Clear Fork 6,812'Spraberry 7,753'Spraberry 9,005'
✓ 42-329-42929 TXL 32 UNIT 1 · XTO ENERGY INC.
0.3 mi
Santa Rosa 782'Yates 2,700'Seven Rivers 3,059'Queen 3,860'Grayburg 4,411'San Andres 4,604'Glorieta 5,212'Clear Fork 6,892'Spraberry 7,900'Spraberry 9,034'
✓ 42-329-47176 TXL 32 UNIT 1 · XTO ENERGY INC.
0.3 mi
Santa Rosa 795'Rustler 1,689'Rustler 1,729'Salado 2,031'Yates 2,703'Seven Rivers 3,001'Queen 3,476'Grayburg 4,358'Grayburg 4,406'San Andres 4,538'San Andres 4,577'Glorieta 4,832' +6 more
✓ 42-329-47177 TXL 32 UNIT 1 · XTO ENERGY INC.
0.3 mi
Santa Rosa 794'Rustler 1,689'Salado 2,032'Rustler 2,037'Yates 2,704'Yates 2,711'Seven Rivers 3,036'Queen 3,478'Grayburg 4,358'Grayburg 4,366'San Andres 4,539'San Andres 4,569' +7 more
✓ 42-329-47179 TXL 32 UNIT 1 · XTO ENERGY INC.
0.3 mi
Santa Rosa 793'Rustler 1,689'Rustler 1,776'Salado 2,032'Yates 2,701'Yates 2,705'Seven Rivers 2,997'Queen 3,478'Grayburg 4,359'Grayburg 4,366'San Andres 4,539'San Andres 4,569' +7 more
✓ 42-329-47180 TXL 32 UNIT 1 · XTO ENERGY INC.
0.3 mi
Santa Rosa 793'Rustler 1,689'Rustler 1,729'Salado 2,032'Yates 2,703'Yates 2,705'Seven Rivers 3,001'Queen 3,476'Grayburg 4,359'Grayburg 4,381'San Andres 4,539'San Andres 4,569' +7 more
✓ 42-329-47181 TXL 32 UNIT 1 · XTO ENERGY INC.
0.3 mi
Santa Rosa 792'Rustler 1,689'Rustler 1,726'Salado 2,032'Yates 2,692'Yates 2,706'Seven Rivers 3,006'Queen 3,462'Grayburg 4,326'Grayburg 4,359'San Andres 4,535'San Andres 4,539' +8 more
✓ 42-329-35086 COWDEN '28' · ENDEAVOR ENERGY RESOURCES L.P.
0.3 mi
Spraberry 7,675'Spraberry 7,675'Spraberry 8,250'Dean 9,050'Wolfcamp 9,600'Wolfcamp 9,600'Wolfcamp 10,300'Strawn 10,880'Strawn 10,915'

Nearest wells within 10 mi (surface locations). Click wells to select them, then open the cross-section to compare tops side by side (max 6 wells per section, including this one).

Perforations (2)

IntervalType
8,267–10,393 ftPerforated
8,287–11,119 ftPerforated

Casing (3)

SizeSet DepthCement
12.75"328 ft310 sx
8.625"5,200 ft425 sx
4.5"11,250 ft750 sx

Permit History (3)

#828755 Recompletion Final Completion

COWDEN '28' · 11,250 ft

2017-07-14

Spud 2004-08-20

#537364 Drill Final Completion

COWDEN "28" · 11,500 ft

2003-10-09

Spud 2003-10-30

#513982 Drill

COWDEN '28' · 11,500 ft

2001-10-02

Applications (3)

#828755 A ENDEAVOR ENERGY RESOURCES L.P.
received 2017-07-12
#537364 A ENDEAVOR ENERGY RESOURCES L.P.
received 2003-10-09
#513982 A ENDEAVOR ENERGY RESOURCES L.P.
received 2001-09-27

Records & Logs

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

W-2/G-1 2017-08-17
W-2/G-1 2004-03-02 log on file
W-2/G-1 2004-06-15
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.

Google Maps → Explorer Map →
Lat 31.687894
Lon -102.016487

Well Details

Well Number
3
Max Depth
11,500 ft
Drill Type
Vertical
County
MIDLAND
District
8
Operator
ENDEAVOR ENERGY RESOURCES L.P.

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