42-317-34262

Final Completion

NAIL 36

MARTIN County · District 8 · ENDEAVOR ENERGY RESOURCES L.P. · MIDWEST (SPRABERRY-DEAN)

Permits

3

Max Depth

11,000 ft

First Permit

2000-02-22

Latest Activity

2015-09-23

Lifespan

16 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2000-07-01

Shut-In

Plugged

!

EWA / Production operator mismatch

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

Resolved via: productionDIAMONDBACK E&P LLC

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1998-02

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 (6)

CSV
FormationTop Depth (MD)
SPRABERRY 7,865 ft
UPPER SPRABERRY (Spraberry)7,865 ft
LOWER SPRABERRY (Spraberry)8,377 ft
DEAN 9,145 ft
STRAWN 10,000 ft
STRAWN 10,524 ft

As reported by operators on W-2/G-1 completion filings (RRC wellbore records). Depths are measured depth; names appear as filed. View filings & logs at RRC ↗

Perforations (1)

IntervalType
7,877–9,909 ftPerforated

Casing (3)

SizeSet DepthCement
12.75"355 ft340 sx
8.625"5,225 ft425 sx
4.5"10,800 ft1,270 sx

Permit History (3)

Applications (3)

#810459 A ENDEAVOR ENERGY RESOURCES L.P.
received 2015-09-17
#492158 A STEPHENS, AUTRY C.
received 2000-06-06
#492158 A STEPHENS, AUTRY C.
received 2000-02-16

Records & Logs

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

W-2/G-1 2020-11-16
W-2/G-1 2015-10-10 log on file
W-2/G-1 2000-08-04 log on file
W-2/G-1 2000-09-26
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 MARTIN County.

Well Details

Well Number
2
Max Depth
11,000 ft
Drill Type
Vertical
County
MARTIN
District
8
Completed
2000-07-01

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