42-173-31917

Final Completion

THOMASON

GLASSCOCK County · District 8 · ENDEAVOR ENERGY RESOURCES L.P. · SAINT LAWRENCE (STRAWN)

Permits

4

Max Depth

12,000 ft

First Permit

1985-11-27

Latest Activity

2018-02-13

Lifespan

32 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1999-07-01

Shut-In

Plugged

!

EWA / Production operator mismatch

Scheduling: ENDEAVOR ENERGY RESOURCES L.P. ≠ Production: DIAMONDBACK E&P LLC (reported 2025-09)

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 (7) Elevation 2,676 ft

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SPRABERRY 6,245 ft-3,569 ft
JO MILL 7,103 ft-4,427 ft
DEAN 7,691 ft-5,015 ft
WOLFCAMP 7,872 ft-5,196 ft
STRAWN 9,954 ft-7,278 ft
STRAWN 10,000 ft-7,324 ft
ATOKA

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
42-173-37975 TETRIS SN 1-48 01 · ENERGEN RESOURCES CORPORATION
1.0 mi
Santa Rosa 674'Yates 1,844'Seven Rivers 2,019'Queen 2,198'Grayburg 2,788'San Andres 3,059'Glorieta 3,754'Clear Fork 4,662'Spraberry 6,268'Wichita-Albany 7,358'
42-173-37976 TETRIS SN 1-48 01 · ENERGEN RESOURCES CORPORATION
1.0 mi
Queen 2,195'Grayburg 2,786'San Andres 3,071'Clear Fork 3,762'Glorieta 3,762'Wichita-Albany 7,346'Dean 7,698'Wolfcamp 7,882'Fusselman Atoka
42-173-39096 CUTLASS 12-13 A · DIAMONDBACK E&P LLC
1.1 mi
Yates 1,275'Seven Rivers 2,033'Queen 2,251'Grayburg 2,798'San Andres 2,983'Glorieta 4,113'Clear Fork 4,675'Spraberry 6,250'Rustler Santa Rosa
42-173-39097 CUTLASS 12-13 B · DIAMONDBACK E&P LLC
1.1 mi
Yates 1,901'Seven Rivers 2,037'Queen 2,245'Grayburg 2,798'San Andres 2,977'Glorieta 4,091'Clear Fork 4,668'Spraberry 6,238'Rustler Santa Rosa
42-173-39098 CUTLASS 12-13 C · DIAMONDBACK E&P LLC
1.1 mi
Yates 1,889'Seven Rivers 2,033'Queen 2,250'Grayburg 2,795'San Andres 2,976'Glorieta 4,068'Clear Fork 4,630'Spraberry 6,222'Rustler Santa Rosa
42-173-37984 TETRIS SN 1-48 03 · ENERGEN RESOURCES CORPORATION
1.1 mi
Santa Rosa 666'Yates 1,825'Seven Rivers 2,002'Queen 2,183'Glorieta 3,742'Santa Rosa Seven Rivers Rustler Queen Yates
42-173-37986 TETRIS SN 1-48 03 · ENERGEN RESOURCES CORPORATION
1.1 mi
Santa Rosa 681'Yates 1,828'Seven Rivers 2,001'Queen 2,180'Glorieta 3,737'Santa Rosa Seven Rivers Rustler Queen Yates
42-173-39126 SHERMINATOR 12-13 A · BLACK SWAN OPCO, LLC
1.3 mi
Yates 1,789'San Andres 2,679'Grayburg 3,079'Clear Fork 4,608'Spraberry 7,256'Rustler Queen Seven Rivers Glorieta Santa Rosa

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 (7)

IntervalType
6,262–9,881 ftPerforated
6,262–10,147 ftPerforated
9,954–9,958 ftPerforated
9,963–9,969 ftPerforated
10,000–10,012 ftPerforated
10,028–10,147 ftPerforated
10,201–10,252 ftPerforated

Casing (5)

SizeSet DepthCement
13.375"430 ft420 sx
9.625"3,115 ft540 sx
5.5"6,028 ft515 sx
5.5"6,028 ft515 sx
5.5"10,060 ft750 sx

Permit History (4)

Applications (5)

#834457 A ENDEAVOR ENERGY RESOURCES L.P.
received 2017-12-19
#684332 A ENDEAVOR ENERGY RESOURCES L.P.
received 2009-08-20
#481631 A STEPHENS, AUTRY C.
received 1998-12-18
#291379 A HIGHLAND RESOURCES, INC.
received 1985-12-16
#291379 A HIGHLAND RESOURCES, INC.
received 1985-11-27

Records & Logs

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

W-2/G-1 2018-04-02
W-2/G-1 2010-03-11 log on file
W-2/G-1 2010-04-07
W-2/G-1 2001-04-03
W-2/G-1 2000-05-02 log on file
W-2/G-1 2001-05-10

+4 more 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.

Lat 31.741520
Lon -101.558603

Well Details

Well Number
1
Max Depth
12,000 ft
Drill Type
Vertical
County
GLASSCOCK
District
8
Completed
1999-07-01

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