42-173-31921

Final Completion

RAE -40-

GLASSCOCK County · District 8 · SMITH BROS. CASING PULLERS INC. · NUTT (LOWER WOLFCAMP)

Permits

5

Max Depth

12,000 ft

First Permit

1985-12-05

Latest Activity

2017-11-15

Lifespan

32 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1987-02-10

Shut-In

Plugged

1990-02-07

!

EWA / Production operator mismatch

Scheduling: SMITH BROS. CASING PULLERS INC. ≠ Production: DIAMONDBACK E&P LLC (reported 2026-04)

!

EWA / Permit operator mismatch

Scheduling: SMITH BROS. CASING PULLERS INC. ≠ Permit: ENDEAVOR ENERGY RESOURCES L.P.

Resolved via: productionDIAMONDBACK E&P LLC

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2002-07

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 2,609 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
CLEARFORK LIN (Clear Fork)5,060 ft-2,451 ft
SPRABERRY 6,400 ft-3,791 ft
WOLFCAMP MARKER (Wolfcamp)8,390 ft-5,781 ft
SPRABERRY (TREND AREA) (Spraberry)9,814 ft-7,205 ft
STRAWN 10,150 ft-7,541 ft
STRAWN 10,288 ft-7,679 ft
ATOKA 10,555 ft-7,946 ft
DEVONIAN 10,960 ft-8,351 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
42-173-39417 SCHUMANN SWD · DEEP BLUE OPERATING I LLC
0.2 mi
Yates 2,420'Seven Rivers 2,600'Grayburg 3,350'San Andres 3,880'Rustler Clear Fork Queen Spraberry Santa Rosa Glorieta
42-173-33055 MAX '40' · ENDEAVOR ENERGY RESOURCES L.P.
0.4 mi
U SPRABERRY 6,866'Spraberry 6,866'L SPRABERRY 7,433'Spraberry 7,433'Dean 8,236'Wolfcamp 8,493'Strawn 10,178'Atoka
42-329-34635 MAX '40' · ENDEAVOR ENERGY RESOURCES L.P.
0.5 mi
Spraberry 6,908'Spraberry 6,950'U SPRABERRY 6,950'Spraberry 7,470'Dean 8,226'Dean 8,260'Wolfcamp 8,450'Pennsylvanian 10,127'Strawn 10,200'Strawn 10,227'Atoka
42-173-33912 SCHUMANN '39' · ENDEAVOR ENERGY RESOURCES L.P.
0.6 mi
Spraberry 6,875'Strawn 10,175'Atoka 10,325'
42-173-33069 BRANCH '46' · ENDEAVOR ENERGY RESOURCES L.P.
0.6 mi
Spraberry 6,841'UPPER SPARABERRY 6,882'Spraberry 6,882'Spraberry 7,208'LOWER SPRABEERRY 7,208'Dean 8,218'Wolfcamp 8,402'Wolfcamp 8,404'Strawn 10,170'Strawn 10,419'Atoka
42-173-33911 SCHUMANN '39' · ENDEAVOR ENERGY RESOURCES L.P.
0.6 mi
Spraberry 6,875'Strawn 10,175'Atoka 10,500'
42-329-36060 MAX '40' · ENDEAVOR ENERGY RESOURCES L.P.
0.6 mi
Yates 2,250'Spraberry 6,900'Dean 8,250'Wolfcamp 8,550'Strawn 10,225'Strawn 10,225'Bend 10,350'Bend 10,350'
42-173-33337 GARRETT '34' · ENDEAVOR ENERGY RESOURCES L.P.
0.8 mi
Spraberry 6,875'Spraberry 7,425'Dean 8,225'Wolfcamp 8,475'Strawn 10,225'Atoka 10,375'

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 (3)

IntervalType
7,438–10,111 ftPerforated
7,438–10,561 ftPerforated
8,500–9,010 ftOpen hole

Casing (4)

SizeSet DepthCement
20"345 ft800 sx
13.375"3,942 ft2,500 sx
9.625"8,500 ft1,220 sx
5.5"10,621 ft2,085 sx

Permit History (5)

Applications (5)

#832994 A ENDEAVOR ENERGY RESOURCES L.P.
received 2017-11-08
#681671 A ENDEAVOR ENERGY RESOURCES L.P.
received 2010-09-24
#681671 A ENDEAVOR ENERGY RESOURCES L.P.
received 2009-05-29
#291969 A ROKS ENERGY COMPANY
received 1986-06-06
#291969 A EXXON CORP.
received 1985-12-05

Records & Logs

4 completion filings on record · 2 with log images at RRC.

W-2/G-1 2017-12-28
W-2/G-1 2010-10-13 log on file
W-2/G-1 1987-06-09 log on file
W-2/G-1 1987-06-23

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 31.957656
Lon -101.769083

Well Details

Well Number
4
Max Depth
12,000 ft
Drill Type
Vertical
County
GLASSCOCK
District
8
Completed
1987-02-10

Operator

Location
MIDLAND
P-5 Status
Inactive (filed 1998-05-05)
Cum Oil (all leases)
51 bbl
Cum Gas (all leases)
— mcf